| Patent Number |
Title Of Patent |
Date Issued |
| 5513987 |
Denture, method of repairing denture and dental soft relining material used therefor |
May 7, 1996 |
| A denture having a layer of a soft relining material and a method of repairing denture. The denture has on the mucosa surface thereof the soft relining material which comprises a cured product of a composition that contains (A) 100 parts by weight of an organopolysiloxane having in a |
| 5349065 |
Photochromic compound |
September 20, 1994 |
| A compound represented by the following general formula (II): ##STR1## wherein R.sub.1 and R.sub.2, which may be the same or different, represent a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, a phenyl group, a benzyl group, a phenethyl group, an alkylamine group having |
| 5336477 |
Process for producing a composite alkali metal oxide |
August 9, 1994 |
| There is provided a composite oxide represented by the formulawherein R denotes an alkali metal, i is 0.3 to 1, k is 0 to 0.9, j+k=1, m is 7 to 70 and n is 0.2 to 0.4, said composite oxide being amorphous, and its cumulative specific pore volume of pores having a pore radius of 10.sup.4 |
| 5330833 |
Tin oxide fiber and a process for producing the same |
July 19, 1994 |
| A tin oxide fiber expressed by the general formulawherein Z is a metal element of the Group V of the periodic table, and y is 0 to 0.3, having a diameter which is greater than 1 .mu.m or having a length which is greater than 3 mm and having an aspect ratio which is greater than 10.This f |
| 5262142 |
Composite oxide of formula R.sub.2 O.Al.sub.2 O.sub.3.TiO.sub.2.SiO.sub.2.H.sub.2 O, where R is |
November 16, 1993 |
| There is provided a composite oxide represented by the formulawherein R denotes an alkali metal, i is 0.3 to 1, k is 0 to 0.9, j+k=1, m is 7 to 70 and n is 0.2 to 0.4,said composite oxide being amorphous, and its cumulative specific pore volume of pores having a pore radius of 10.sup.4 A or |
| 5260476 |
Diacrylate compounds |
November 9, 1993 |
| There is provided a curable composition for dental restoration comprising a vinyl monomer containing not less than 30% by weight of an acid group-containing vinyl monomer represented by the formula ##STR1## wherein R.sup.1 's may be the same or different and each denotes a hydrog |
| 5242872 |
Process for producing aluminum nitride sintered body |
September 7, 1993 |
| A process for producing a sintered body of aluminum nitride, which comprises mixing an aluminum nitride powder with (A) an alkaline earth metal aluminate, or both of (A-1) an oxide or oxide-forming compound of aluminum, and (A-2) an oxide or oxide-forming compound of an alkaline eart |
| 5240692 |
Basic magnesium carbonate and process for preparation thereof |
August 31, 1993 |
| Disclosed is a novel basic magnesium carbonate represented by the following general formula:wherein n is a number of from 3 to 5 and m is a number of from 3 to 5,which consists of porous particles composed of an aggregate of plate crystals having an average particle size of 1 to 50 .mu.m and |
| 5238735 |
Microporous shaped article and process for preparation thereof |
August 24, 1993 |
| Disclosed is a microporous shaped polyolefin article comprising a polyolefin and synthetic resin particles dispersed therein and having a softening temperature or a decomposition temperature higher than the shaping temperature of the polyolefin resin, said article having a network st |
| 5234894 |
Carbonyl acetonitrile derivative and herbicide containing it as an active component |
August 10, 1993 |
| A cyanoketone derivative of the following formula (1) ##STR1## wherein A.sub.1 is a substituted or unsubstituted phenyl or naphthyl group or a substituted or unsubstituted heterocyclic group;each of X.sub.1, X.sub.2 and X.sub.3 is independently an oxygen or sulfur atom;each of B.sub. |
| 5221455 |
Bipolar membrane and method for its production |
June 22, 1993 |
| Disclosed is a bipolar membrane comprising a cation-exchange membrane in which a cation-exchange group present at least at its adhered surface has been ion-exchanged with a heavy metal ion, which is adhered closely to an anion-exchange membrane at a peel strength of not less than 0.2 kg |
| 5216953 |
Printing cylinder |
June 8, 1993 |
| A printing cylinder is disclosed which makes it possible to remove the ink adhering to the side surfaces of the printing cylinder after the printing has been finished without the need of moving the printing cylinder. |
| 5214116 |
Resin derived from sulfur-containing unsaturated compound and having a high refractive index |
May 25, 1993 |
| There is provided a resin having a high refractive index. The resin is a polymer comprising units derived from a sulfur-containing unsaturated compound. The present invention also provides novel sulfur-containing unsaturated compounds which in useful in the production of the resin. E |
| 5206272 |
Impression material compositions |
April 27, 1993 |
| This invention relates to an impression material composition comprising an alginate and a gelling agent and being hardened in the presence of water, an unsaturated carboxylic acid polymer being contained in an amount of 5 to 150 parts by weight per 100 parts by weight of the alginate. |
| 5182239 |
Aluminum nitride granules and process for the preparation thereof |
January 26, 1993 |
| Aluminum nitride granules which are characterized in that (a) they are composed mainly of aluminum nitride, (b) their bulk density ranges from 0.5 to 1.5 g/cc, (c) the mean particle diameter thereof is within the range of 20 to 500 .mu.m, and (d) they have a breaking strength of 0.5 to |
| 5171763 |
Curable composition |
December 15, 1992 |
| There is provided a curable composition for dental restoration comprising a vinyl monomer containing not less than 30% by weight of an acid group-containing vinyl monomer represented by the formula ##STR1## wherein R.sup.1 's may be the same or different and each denotes a hydrog |
| 5166107 |
Process for preparation of anorthite sintered body |
November 24, 1992 |
| Disclosed is a process for the preparation of an anorthite sintered body, which comprises preparing a formed body of at least one powder selected from the group consisting of (i) a calcium type zeolite having an SiO.sub.2 /Al.sub.2 O.sub.3 molar ratio lower than 3, (ii) an amorphous |
| 5156498 |
Method for controlling moisture content of silica powder |
October 20, 1992 |
| A method for controlling a moisture content of a silica powder, which comprises contacting a fluid-flowing silica powder with a steam in a vessel, for example, a pipeline for transportation by air that connects a hopper for storing of a silica powder and a solid-gas separator, held at a |
| 5138001 |
Vinylphenyl compound, process for the production thereof, polymerizable composition containing s |
August 11, 1992 |
| Novel vinylphenyl compound which gives, as a copolymer with other vinyl compound copolymerizable therewith, a crosslinked polymer excellent in birefringence, transparency, heat resistance and moisture absorption resistance. The crosslinked polymer is advantageously useful as a disk s |
| 5130058 |
Photochromic compound, process for production thereof, use thereof and composition containing sa |
July 14, 1992 |
| A photochromic compound represented by the following general formula [I] ##STR1## wherein ##STR2## represents a divalent aromatic hydrocarbon group or a divalent heterocyclic group each of which may have a substituent,R.sub.1 represents a monovalent hydrocarbon group or a monova |
| 5125959 |
Method of thinning lateral flowers of apples |
June 30, 1992 |
| A method of thinning lateral flowers of apples, comprising applying of flower thinning effective amount of a pyrazole compound represented by general formula (I) ##STR1## wherein R.sub.1 represents an alkyl group having 1 to 4 carbon atoms; andR.sub.2 and R.sub.3, which are the same |
| 5124021 |
Solid electrolyte gas sensor and method of measuring concentration of gas to be detected in gas |
June 23, 1992 |
| A solid electrolyte gas sensor and a method for the measurement of a concentration of a gas to be detected in a gas mixture. The sensor has (A) a screen for controlling a permeation rate of the gas, which comprises (a1) a first solid electrolytic membrane selectively permeable to ions |
| 5106998 |
Photochromic compound, composition and use thereof |
April 21, 1992 |
| Disclosed is a compound represented by the following general formula(I): ##STR1## wherein R.sub.1 and R.sub.2, which may be the same or different, represent a hydrogen atom, an alkyl group, an aryl group, an aralkyl group or a substituted amino group, R.sub.3 and R.sub.4, which may b |
| 5092888 |
Hardening material |
March 3, 1992 |
| Disclosed is a hardening material comprising (a) a powder component composed of a powdery mixture of tetracalcium phosphate and calcium phosphate having a Ca/P atomic ratio lower than 1.67 and (b) a liquid component composed of a colloidal aqueous solution comprising solid colloid pa |
| 5063183 |
Sinterable aluminum nitride composition, sintered body from this composition and process for pro |
November 5, 1991 |
| A process for producing a sintered body of aluminum nitride, which comprises(1) forming a raw molded article from a homogeneous mixture of(A) a fine powder of aluminun nitride, and(B) a sintering aid composed substantially of (a) at least one halogen compound of at least one metal selected f |
| 5051718 |
Thermistor element and gas sensor using the same |
September 24, 1991 |
| A thermistor element composed substantially of a vanadium-containing titania having dissolved therein 0.01 to 10 at. %, based on titanium, of vanadium and optionally 10 at. % or less, based on titanium, of at least one element selected from the group containing of cobalt, copper, man |
| 5051453 |
Cement composition |
September 24, 1991 |
| Disclosed in a cement composition comprising an unsaturated carboxylic acid polymer and an alkaline earth metal aluminofluorosilicate glass, wherein the alkaline earth metal aluminofluorosilicate glass comprises (a) 50 to 95% by weight of coarse particles having a spherical shape and an |
| 5049253 |
Electrode apparatus for dialysis |
September 17, 1991 |
| An electrode is arranged in an integrally formed, seamless, self-supporting tubular ion exchanger, and a liquid supply and discharge mechanism for circulating an electrolyte is arranged in the tubular ion exchanger to construct an electrode apparatus for the dialysis. When this apparatus |
| 4983747 |
Process for preparation of perfluoro organic compounds |
January 8, 1991 |
| Disclosed is a process for the preparation of a perfluoroorganic compound, which comprises fluorinating a partially fluorinated or unfluorinated organic compound having carbon-to-fluorine bonds under mild conditions and then, contacting the resulting reaction mixture with a fluorine gas |
| 4983304 |
Membrane for separation of water-alcohol mixed liquid and process for preparation thereof |
January 8, 1991 |
| Disclosed is a membrane for the separation of a water-alcohol mixed liquid by the pervaporation method, which is composed of a chitosan having a molecular weight of 80,000 to 150,000 and a deacetylation degree adjusted to 80 to 95%. This separating membrane has an excellent selective |
| 4960678 |
Photochromic compounds |
October 2, 1990 |
| A compound represented by the following general formula [I] ##STR1## wherein ##STR2## represents a norbornylidene group or an adamantylidene group each of which may have a substituent, andX represents an oxygen atom, the group >N--R.sub.2, the group >N--A.sub.1 --B.sub |
| 4950435 |
Process for producing aluminum nitride sintered body |
August 21, 1990 |
| A process for producing a sintered body of aluminum nitride, which comprises mixing an aluminum nitride powder with (A) an alkaline earth metal aluminate, or both of (A-1) an oxide or oxide-forming compound of aluminum, and (A-2) an oxide or oxide-forming compound of an alkaline eart |
| 4929317 |
Process for preparation of perfluoro organic compounds |
May 29, 1990 |
| Disclosed is a process for the preparation of a perfluoro organic compound, which comprises fluorinating a partially fluorinated or unfluorinated organic compound having carbon-to-fluorine bonds under mild conditions and then, contacting the resulting reaction mixture with a fluorine gas |
| 4923611 |
Novel anion-exchange membrane |
May 8, 1990 |
| Disclosed is an anion-exchange membrane prepared by subjecting a membrane composed of a resin containing a high-molecular-eight compound having haloalkyl groups chemically bound thereto to ultraviolet radiation or ionizing radiation to thereby decrease the amount of the haloalkyl groups |
| 4918136 |
Adhesive composition |
April 17, 1990 |
| Disclosed is an adhesive composition comprising (a) 100 parts by weight of a monomer mixture comprising a vinyl monomer having an acidic group in the molecule and a vinyl monomer copolymerizable with said vinyl monomer, (b) 10 to 500 parts by weight of a filler, (c) 0.01 to 10 parts by w |
| 4895587 |
Haloacetamide compounds, process for production thereof, and use thereof as herbicide |
January 23, 1990 |
| A haloacetamide compound of the following formula (I) ##STR1## wherein R.sub.1 represents a substituted or unsubstituted C.sub.6 -C.sub.14 aryl group or a substituted or unsubstituted C.sub.3 -C.sub.8 heteroaryl group having one or two hetero atoms selected from the group consist |
| 4882438 |
Photochromatic compounds |
November 21, 1989 |
| A compound represented by the following general formula [I] ##STR1## wherein ##STR2## represents a norbornylidene group or an adamantylidene group each of which may have a substituent, andX represents an oxygen atom, the group >N-R.sub.2, the group >N-A.sub.1 -B.sub.1 - |
| 4877854 |
Curable composition |
October 31, 1989 |
| A curable composition comprising an unsaturated polyether having terminal alkenyl groups, a linear or branched siloxane-substituted polyether having terminal polyorganosiloxane residues and at least two Si-H groups in the molecule and a catalyst having platinum as the main component has |
| 4806219 |
Method of double decomposition of neutral salt |
February 21, 1989 |
| Disclosed is a simple and convenient method by which a salt typified by sodium chloride, generally a neutral salt, is decomposed by using a three-compartment electrodialysis cell comprising a special ion-exchange membrane to form an acid and an alkali in high concentration at a high |
| 4803223 |
Substituted aminophenyl urea derivatives |
February 7, 1989 |
| A substituted aminophenylurea derivative represented by the general formula ##STR1## wherein X.sup.1 and X.sup.2 are identical or different and each represents a halogen atom, andR represents a substituted or unsubstituted saturated or unsaturated aliphatic hydrocarbon group,and an a |
| 4802907 |
N-substituted chloroacetanilides processes for production thereof, and herbicidal composition co |
February 7, 1989 |
| An N-substituted chloroacetanilide represented by the following formula (I) ##STR1## wherein A represents a member selected from the class consisting of halogen atoms, alkoxy groups having a linear or branched, saturated or unsaturated C.sub.1 -C.sub.6 alkyl group, alkylthio groups h |
| 4801368 |
Ni/Sn cathode having reduced hydrogen overvoltage |
January 31, 1989 |
| Disclosed is a cathode comprising an active layer composed of a nickel/tin alloy having a nickel content of 25 to 99% by weight, which is formed on the surface of an electrically conductive electrode substrate. When this cathode is used for generating hydrogen by the electrolysis, the hy |
| 4791144 |
Microporous film and process for production thereof |
December 13, 1988 |
| Disclosed is a microporous polyproplene film comprising a propylene homopolymer, a copolymer of propylene with other copolymerizable monomer or a blend thereof, which has an intrinsic viscosity (.eta.) of 1.9 to 3.0 dl/g, especially 2.0 to 3.0 dl/g, as measured at 135.degree. C. in t |
| 4788043 |
Process for washing semiconductor substrate with organic solvent |
November 29, 1988 |
| Disclosed is a process for washing a semiconductor substrate with an organic solvent, which comprises the first stage of supplying an organic solvent to be used for the organic solvent washing of a semiconductor substrate to a washing device and washing the semiconductor substrate, the |
| 4782100 |
Prosthetic composition |
November 1, 1988 |
| Disclosed is a prosthetic composition comprising (A) a diester monomer represented by the following formula: ##STR1## wherein R.sub.1 stands for an alkylene group having 2 to 6 carbon atoms andR.sub.2 stands for an alkyl group having 2 to 4 carbon atoms,or a mixture of said diester m |
| 4780422 |
Dyed inorganic composite particles and process for production thereof |
October 25, 1988 |
| Dyed inorganic composite particles having a mean particle diameter of 0.1 to 10.0 micrometers and a particle dispersibility value of at least 80%, each of said particles consisting of at least three layers comprising a core, a dyed layer on the surface of the core and a coated layer on t |
| 4774275 |
Polypropylene composition |
September 27, 1988 |
| Disclosed is a polypropylene composition comprising (a) 100 parts by weight of a propylene copolymer, (b) 0.01 to 0.5 part by weight of a heat stabilizer and (c) 0.1 to 10 parts by weight of a diphenyl ether compound represented by the following general formula: ##STR1## wherein |
| 4767580 |
Process for preparation of porous sheets |
August 30, 1988 |
| A porous sheet having a good softness and being excellent in moisture permeability, water resistance and mechanical strength characteristics such as tensile strength and tear strength is obtained by forming into a sheet a composition comprising 100 parts by weight of a polyolefin resin, |
| 4764497 |
Amorphous, spherical inorganic compound and process for preparation thereof |
August 16, 1988 |
| Disclosed is an amorphous, spherical inorganic compound having a particle size of 0.1 to 1.0 .mu.m, which comprises as main constituents (1) an oxide of at least one metal selected from the group consisting of metals of the Groups I, II, III and IV of the Periodic Table, said metal oxide |
| 4755620 |
Acrylate compound and composition containing the same |
July 5, 1988 |
| Disclosed is an acrylate compound represented by the following general formula: ##STR1## wherein R.sub.1 stands for a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, R.sub.2 stands for an alkylene group having 2 to 20 carbon atoms, R.sub.3 stands for a hydrogen atom o |
