| Patent Number |
Title Of Patent |
Date Issued |
| 7459846 |
Red phosphor and method of preparing the same, and red light emitting diode, white light emittin |
December 2, 2008 |
| Provided is a red phosphor represented by formula 1: (Li.sub.(2-z)-xM.sub.x)(MoO.sub.4).sub.y:Eu.sub.z,Sm.sub.q (1) where M is an element selected from K, Mg, Na, Ca, Sr, and Ba, 0.ltoreq.x.ltoreq.2, 0.5.ltoreq.y.ltoreq.5, 0.01.ltoreq.z.ltoreq.1.5, and 0.001.ltoreq.q.ltoreq.1.0. The |
| 7459108 |
Method for preparing metallic membrane |
December 2, 2008 |
| The present invention relates to a method for preparing a metallic membrane, more particularly to a method for preparing metallic membranes, which comprises dissolving a transition metal of Period 3 and its alloy particle powder and synthetic polymer in a fixed ratio; radiating or ca |
| 7427579 |
Hydrogenation catalyst, preparation thereof, and method for the preparation of gamma-butyrolacto |
September 23, 2008 |
| The present invention relates to a hydrogenation catalyst represented by the following formula 1, a method for the preparation thereof, and a method for preparing gamma-butyrolactone using this catalyst. The method for preparing gamma-butyrolactone from maleic anhydride using the cat |
| 7405312 |
Manufacturing method of hexafluoropropylene oxide with high yield |
July 29, 2008 |
| The present invention relates to a method for preparing hexafluoropropylene oxide with high yield, and particularly to a method for preparing hexafluoropropylene oxide comprising the step of performing a two-phase interfacial reaction between an organic phase containing hexafluoropro |
| 7378193 |
Polysiloxane-based compound and solid polymer electrolyte composition using the same |
May 27, 2008 |
| This invention relates to a polysiloxane-based compound and a solid polymer electrolyte composition prepared using the same. More particularly, the present invention relates to a polysiloxane-based polymer, which promotes easy cross-linking and also enables to control the level of cr |
| 7371874 |
6-Alkylamino-2-methyl-2'-(N-methyl substituted sulfonamido)methyl-2H-1-benzopyran derivative as |
May 13, 2008 |
| The present invention relates to a noble 6-alkylamino-2-methyl-2'-(N-methyl substituted sulfonamido)methyl-2H-1-benzopyran derivative, a method for preparing the same with high efficiency using a parallel synthetic method, one of combinatorial chemical synthetic techniques, and a use |
| 7368575 |
6-alkylamino-2,2'-disubstituted-7,8-disubstituted-2H-1-benzopyran derivatives as 5-lipoxygenase |
May 6, 2008 |
| When a multi-step process reaction is carried out in a solution, it generally requires several treatments and purification procedures to go through with after the reaction, however, the inventive method for preparing 2,2'-disubstituted-3,4-dihydro-7,8-disubstituted-6-amino benzopyran |
| 7297652 |
Method of preparing a nanoporous nickel phosphate molecular sieve |
November 20, 2007 |
| The present invention relates to a process for preparing nanoporous VSB-5 molecular sieves, and more particularly, to a process for preparing nanoporous VSB-5 molecular sieves useful as a hydrogen storage material, a catalyst, a catalyst supporter and an adsorbent, performed in such a |
| 7279497 |
Benzopyran derivatives substituted with secondary amines including imidazole, their preparation |
October 9, 2007 |
| The present invention relates to benzopyran derivatives substituted with secondary amines including imidazole, their preparation, and pharmaceutical compositions containing them. The present invention is pharmacologically useful for the treatment of cancer, rheumatoid arthritis, and |
| 7235508 |
Metal-incorporated nanoporous nickel phosphate molecular sieve and its preparation method |
June 26, 2007 |
| The present invention relates to a composition of metal-incorporated VSB-5 molecular sieve with nanopores and its preparation method, in particular, to a composition of a metal-incorporated VSB-5 molecular sieve with a framework of VSB-5 molecular sieve comprising nickel, phosphorous, ox |
| 7232553 |
Plate type steam reformer |
June 19, 2007 |
| Disclosed is a plate type steam reformer comprising a plate type burner capable of heating a broad area of a reactor as a heat source, positioned on a bottom of the reformer; a reforming reactor requiring a relatively high temperature, positioned over the burner; a high temperature water |
| 7214251 |
Compact steam reformer |
May 8, 2007 |
| The compact steam reformer of the present invention integrally comprises a housing; a reforming reactor having an upper mixing compartment for mixing natural gas and steam and a lower compartment for accommodating a catalyst bed; a natural gas feeding coiled pipe through which natural ga |
| 7157404 |
Catalyst for preparing hydrocarbon |
January 2, 2007 |
| The present invention relates to a catalyst for preparing hydrocarbons of carbon dioxide and more particularly, the Fe--Cu--K/.gamma.--Al.sub.2O.sub.3 catalyst prepared by impregnation which enables producing hydrocarbons in high yield for more than 2000 hours due to its excellent ac |
| 7135132 |
Photochromic fluorescent polymer and preparation method thereof |
November 14, 2006 |
| The present invention relates to a photochromic fluorescent polymer and a preparation method thereof, and more particularly, to a photochromic fluorescent polymer having bonds between diarylethenes and aryethene-vinylene precursors with a weight average molecular weight of 500 to 1,0 |
| 7132489 |
Fluorine-containing amphoteric polymer for surface coating and preparation method thereof |
November 7, 2006 |
| The present invention relates to a fluorine-containing amphoteric polymer for surface coating and preparation method thereof, in particular, to a fluorine-containing amphoteric polymer for surface coating and preparation method thereof in which a hydrocarbon compound with hydrophilic |
| 7078407 |
4-hydroxycinnamamide derivatives as antioxidants and pharmaceutical compositions containing them |
July 18, 2006 |
| The present invention relates to 4-hydroxycinnamamide derivatives as antioxidants and pharmaceutical compositions containing them. More particularly, it relates to 4-hydroxycinnamamide derivatives showing superior antioxidant activity compared to the known antioxidant compounds, thei |
| 7045826 |
Strontium silicate-based phosphor, fabrication method thereof, and LED using the phosphor |
May 16, 2006 |
| A strontium silicate-based phosphor, a fabrication method thereof, and an LED using the strontium silicate-based phosphor are provided. The phosphor is applied to a long wavelength ultraviolet LED, an active luminous LCD, etc., to enable an improvement in the color purity and to enha |
| 7009053 |
Quinoline derivatives as caspase-3 inhibitor, preparation for producing the same and pharmaceuti |
March 7, 2006 |
| The present invention relates to new quinoline derivatives of formula (1) or their pharmaceutically acceptable salts with caspase-3 inhibitory activity and their preparation methods, wherein R.sub.2 is H; halogen; C.sub.1-6alkyl; C.sub.1-6 alkoxy; C.sub.1-6 alkoxyalkyl; or C.sub.3-6c |
| 6992179 |
Reactive orange dyes containing vinyl sulfones |
January 31, 2006 |
| The present invention relates to a reactive orange dye containing vinyl sulfone and more particularly, to the dye which have 6(7)-alkoxycarbonylamino-4-hydroxy-2-naphthalenesulfonic acid as a chromophore and aminophenyl-.beta.-ethylsulfone derivative as an azo coupler. This dye provi |
| 6977274 |
Epoxy resin curing system containing latent catalytic curing agent causing the expansion of volu |
December 20, 2005 |
| The present invention relates to a novel epoxy resin curing system comprising a cationic latent catalytic curing agent containing a hexafluoroantimonate, characterized by exhibiting no shrinkage of volume or inducing an expansion of volume during the curing reaction of the epoxy resi |
| 6958137 |
Preparation of composite silica membranes with thermal stability by a soaking-rolling method |
October 25, 2005 |
| The present invention relates to a method for preparing a composite silica membrane with thermal stability by a soaking-rolling method, and more particularly to a method for preparing a composite silica membrane with improved thermal stability by rolling the surface of a porous support w |
| 6953645 |
Preparation of nanocapsule compositions and their toner composition for thermosensitive rewritab |
October 11, 2005 |
| The present invention relates to a nanocapsule composition and its toner composition for thermosensitive rewritable recording media, more particularly to a core/shell-type nanocapsule composition for thermosensitive rewritable recording media, which has fine capsule of a few nanomete |
| 6933403 |
Mono carbonylation of benzene diols |
August 23, 2005 |
| A process for a mono carbonylation of a benzenediol of the formula (I) is characterized in that a benzene diol of the formula (II) is reacted with an acid anhydride or carbonyl halide of the formula (III) without any organic or inorganic bases for thereby producing a monocarbonylated |
| 6924387 |
Solid catalyst with core-shell catalytic phase and a method of preparation thereof |
August 2, 2005 |
| The present invention relates to a sold catalyst for manufacturing of a nitrile compound and a method of preparation thereof. More particularly, this invention relates to the solid catalyst expressed by the following formula (1): Bi.sub.a A.sub.a B.sub.b Q.sub.q O.sub.x ][(100-z) % D.sub |
| 6914147 |
Polyalkylene oxide porogens having hyper-branches and low dielectric-constant insulators using t |
July 5, 2005 |
| The present invention relates to polyalkylene oxide porogens having hyper-branches and low dielectric-constant insulators using them. More particularly, the present invention relates to polyalkylene oxide porogens having hyper-branches expressed by the following formula (1), where the |
| 6908942 |
6-amino-2,2-dimethyl-3,4,6-trisubstituted benzopyran derivatives and their construction by paral |
June 21, 2005 |
| The present invention provides (i) 6-amino-2,2-dimethyl-3,4,6-trisubstituted benzopyran derivatives; (ii) a process for synthesizing benzopyran derivatives with high efficiency by parallel synthesis on a solid-phase as one of combinatorial chemical synthesis technologies; and (iii) a |
| 6887380 |
Silicone-coated organic solvent resistant polyamide composite nanofiltration membrane, and metho |
May 3, 2005 |
| The present invention relates to a silicone-coated organic solvent resistant polyamide composite nanofiltration membrane and a method for preparing the same. More particularly, the present invention relates to a nanofiltration composite membrane that is not only rejection rate superior |
| 6884875 |
Reactive blue dye containing a vinyl sulphone group |
April 26, 2005 |
| The present invention relates to a reactive blue dye, and more particularly to a reactive blue dye represented by the following Formula 1, which is effective in black dyeing or printing of polyamide textiles, in particular, nylon fiber, ##STR1## wherein M is a hydrogen atom or an |
| 6858727 |
Intermediate of carbapenem antibiotics and process for the preparation thereof |
February 22, 2005 |
| There is disclosed an azetidinone compound of the formula (I): ##STR1##wherein R is hydrogen, or a hydroxy protecting group, R.sub.1 and R.sub.2 are each independently alkyl of 1-15 carbon atoms, benzyl or cyclized together with the carbon atom to which they are attached to form a 5 or |
| 6855335 |
Process for preparing silica microcapsules |
February 15, 2005 |
| The present invention relates to a process for preparing silica microcapsules and more particularly, to a process for preparing silica microcapsules comprising the steps of dissolving tetraethyl orthosilicate (TEOS) into an aqueous solution containing a hydrolysis catalyst to control |
| 6846934 |
Photochromic diarylethene substituted with isoxazole group |
January 25, 2005 |
| Novel photochromic diarylethenes substituted with an isoxazole group and the method of preparation are disclosed. Also disclosed are compositions made with the photochromic diarylethenes. The preparation of thin films with the photochromic diarylethenes or compositions thereof are disclo |
| 6822125 |
Method for preparing dimethylether using a membrane reactor for separation and reaction |
November 23, 2004 |
| The present invention relates to a method for preparing dimethylether from methanol using a membrane reactor, more particularly to a method for preparing dimethylether from methanol using a membrane capable of carrying out a reaction and a separation at the same time while preparing |
| 6790898 |
Preparation of fluorinated core-shell particles with water and oil repellency |
September 14, 2004 |
| The present invention relates to preparation of fluorinated core-shell particles with water and oil repellency, and more particularly, to preparation of emulsion-type coating material with good water and oil repellency using only small amount of expensive fluorinated monomers, which |
| 6787621 |
Vinyl group-containing diarylethene and polymer thereof having excellent optical properties |
September 7, 2004 |
| Vinyl group-containing diarylethene monomers and photochromic polymers made there from. The diarylethene monomers may be suitable for controlled polyermerization. Polymers formed from the diarylethene monomers may have optical properties such as, for example, optical signal control p |
| 6783897 |
Crosslinking agent and crosslinkable solid polymer electrolyte using the same |
August 31, 2004 |
| The present invention relates to a crosslinking agent comprising methyl siloxane polymer of a backbone having a polyalkylene oxide group as a branch group and acryl groups at both ends, and a crosslinkable solid polymer electrolyte composition comprising a crosslinking agent, a lithium |
| 6740783 |
Process for preparing dimethyl ether from crude methanol |
May 25, 2004 |
| The present invention relates to a process for preparing dimethyl ether from crude methanol. More particularly, this invention relates to an improved process for preparing dimethyl ether useful as a fresh fuel as well as a raw material in chemical industry with no generation of hydro |
| 6740300 |
Method for manufacturing crystalline layered sodium disilicate |
May 25, 2004 |
| The present invention relates to an improved method for manufacturing a crystalline layered sodium disilicate and more particularly, to the improved method for manufacturing the crystalline layered sodium disilicate comprising the steps including the preparation of granules in a cert |
| 6723724 |
Isoxazolylalkylpiperazine derivatives having selective biological activity at dopamine D3 or D4 |
April 20, 2004 |
| The present invention relates to isoxazolylalkylpiperazine derivatives having selective biological activity at dopamine D.sub.3 or D.sub.4 receptors represented by the following formula (1), and its preparation method through reductive amination reaction in the presence of reducing a |
| 6716369 |
Preparing green phosphor based on zinc orthosilicate |
April 6, 2004 |
| This invention relates to a process for preparing a spherical green-emitting phosphor based on zinc orthosilicate and more particularly, to the process for a zinc orthosilicate-based green-emitting phosphor demonstrating an emission spectrum at visible regions, when excited by electr |
| 6693060 |
Modified .theta.-Al2O3-supported nickel reforming catalyst and its use for producing synthesis g |
February 17, 2004 |
| A modified .theta.-Al.sub.2 O.sub.3 -supported nickel reforming catalyst and its use for producing synthesis gas from natural gas, more specifically to a nickel reforming catalyst expressed by the following formula 1, having improved coke resistance, high-temperature catalysis stabil |
| 6682782 |
Organic compound having an acetylene group, vacuum deposition polymerization thereof, deposited |
January 27, 2004 |
| The present invention relates to an organic compound having acetylene group(s), a thin film formed by vacuum deposition polymerization using said organic compound, vacuum deposition polymerization to form said thin film, and an electroluminescence device containing said thin film. More |
| 6673800 |
4,5,-dihydroisoxazolylakylpiperazine derivatives having selective biological activity at dopamin |
January 6, 2004 |
| The present invention relates to 4,5-dihydroisoxazolylalkylpiperazine derivatives having selective biological activity at dopamine D.sub.3 and D.sub.4 receptors represented by the following Formula (1), and its preparation method through reductive amination reaction in the presence of |
| 6617478 |
Process for preparing a 1,3-alkandiol from 3-hydroxyester |
September 9, 2003 |
| A process for preparing a 1,3-alkandiol from a 3-hydroxyester, comprises preparing a catalyst by adding an alkaline precipitator to an aqueous copper salt solution to form copper hydroxide particles, and aging the particles following the addition of a colloidal silica thereto; activating |
| 6617477 |
Process for preparing 1,3-alkanediols from 3-hydroxyesters |
September 9, 2003 |
| A process for preparing an 1,3-alkanediol from a 3-hydroxyester includes hydrogenating a 3-hydroxyester in an alcohol-containing solvent in the presence of a hydrogenation catalyst prepared by adding an alkaline precipitator to an aqueous solution containing a copper salt to form par |
| 6582879 |
Reactive photo acid-generating agent and heat-resistant photoresist composition with polyamide p |
June 24, 2003 |
| The present invention relates to a reactive photo acid-generating agent and a heat-resistant photoresist composition comprising the same. In particularly, the present invention relates to the heat-resistant photoresist composition comprising the photo acid-generating agent expressed |
| 6569916 |
High refractive index triazine monomer |
May 27, 2003 |
| The present invention relates to a triazine type monomer, and more particularly, to a 1,3,5-triazine type monomer characterized by having at least one amine group and at least two sulfur atoms, which can be used in manufacturing transparent optical resins having excellent refractive |
| 6566480 |
Multi-reactive polysiloxane compound having halogen substituents and synthetic method thereof |
May 20, 2003 |
| A halogen-substituted reactive polysiloxane compound has a number average molecular weight of 400 to 100,000 and is represented by the formula Y--{C(R.sup.3)(R.sup.4)}.sub.c --CH.sub.2 CH.sub.2 --Si(R.sup.1)(R.sup.2)--{O--Si(R.sup.1)(R.sup.2)}.sub.d --CH.sub.2 CH.sub.2 --{C(R.sup.3)( |
| 6566300 |
Titania photocatalyst and its preparing method |
May 20, 2003 |
| The present invention relates to a novel titania photocatalyst and its manufacturing method. More specifically, the present invention is to provide the quantum-sized novel titania photocatalyst prepared the steps comprising: (a) titanium tetraisopropoxide is encapsulated in zeolite s |
| 6541377 |
Method and apparatus for preparing polysilicon granules |
April 1, 2003 |
| The present invention relates to a method and an apparatus for preparing polysilicon, more specifically to a method and an apparatus for preparing polysilicon in granule form by equipping a fluidized bed reactor with a nozzle that provides an etching gas including hydrogen chloride in or |
| 6528031 |
Method for preparing noble metal-supported zeolite catalyst for catalytic reduction of nitrogen |
March 4, 2003 |
| The present invention provides a method for preparing a catalyst for the reduction of nitrogen oxides by the use of natural gas as a reducing agent in an excess oxygen atmosphere, which comprises of filling zeolite with an organic compound having molecular weight of 100.about.250 prior t |
