| Patent Number |
Title Of Patent |
Date Issued |
| 4968616 |
Superoxide dismutase derivatives, method of producing same and medicinal use of same |
November 6, 1990 |
| Novel superoxide dismutase derivatives are provided in which the enzymatic activity of superoxide dismutase capable of decomposing superoxide, a substance harmful to living organisms, is for the most part maintained with the plasma half-life being significantly prolonged as compared with |
| 4963230 |
Agricultural paper and process for producing the same |
October 16, 1990 |
| Disclosed herein is agricultural paper to be made into pots for raising seedlings. It is made up of a first layer made chiefly of natural pulp and a second layer made of synthetic fibers having a basis weight of 3-15 g/m.sup.2, said first layer and second layer being joined to each other |
| 4960639 |
Multilayered container |
October 2, 1990 |
| Provided are multilayered containers comprising a layer of a composition comprising a gas barrier resin, particularly ethylene-vinyl alcohol copolymer, incorporating an inorganic powder such as mica, and a layer of a composition comprising a thermoplastic resin incorporating an inorganic |
| 4952613 |
Dental compositions based on organic carboxylic acids/anhydrides, metal chlorides, and water |
August 28, 1990 |
| A dental composition for the treatment of the enamel and/or dentin of the tooth comprising an organic carboxylic acid or an anhydride thereof, a metal chloride and water, the concentration of said organic carboxylic acid or anhydride thereof being 5 to 50 weight percent based on the tota |
| 4946857 |
Terpene amino alcohols and medicinal uses thereof |
August 7, 1990 |
| Novel terpene amino alcohols having an antiallergic activity or an activity of improving cerebral function are provided. Also provided are medicinal uses of the alcohols. |
| 4936980 |
Apparatus and method for plasma separation |
June 26, 1990 |
| The invention provides an apparatus and method for plasma separation which is designed so that during the process of separating blood into plasma and corpuscular components by means of plasma separation membranes, if the rate of plasma permeation through the membranes is decreased so tha |
| 4931538 |
Copolyester and polyester resin composition comprising said copolyester |
June 5, 1990 |
| The present invention relates to a polyethylene terephthalate based copolyester modified by aliphatic dicarboxylic acid containing not less than 9 carbon atoms and poly(tetramethylene oxide)glycol, and to a polyester resin composition comprising said copolyester.Said polyester resin comp |
| 4929482 |
Heat resistant container |
May 29, 1990 |
| The present invention provides a heat-resistant container comprising an ethylene-vinyl alcohol copolymer layer and a crystalline polyester layer. In particular, when an ethylene-vinyl alcohol copolymer containing a drying agent is used, the obtained container is both ovenable and ret |
| 4921907 |
Resin composition and multilayered structure |
May 1, 1990 |
| A resin composition comprising from about 95 to about 30 parts by weight of a saponified product of an ethylene-vinyl acetate copolymer (A), comprising ethylene units in an amount of from about 20 to about 55 mole percent, and exhibiting a degree of saponification of the vinyl acetate |
| 4916013 |
Artificial hair and production thereof |
April 10, 1990 |
| Disclosed herein is polyester-based aritifical hair composed of individual filaments having a thickness of 30 to 70 denier, with a deviation of plus and minus 20 denier, and a roughened surface formed such that the average intervals of adjacent pits are 0.1 to 1.5 .mu.m and the density o |
| 4916010 |
Stamping-moldable material |
April 10, 1990 |
| A stampable molding material composed of a thermoplastic resin containing a reinforcing material of a mat of chopped glass strands and a flake-type filler, having a weight average flake diameter of not more than 100.mu., can give molded articles characterized by having a high surface |
| 4911846 |
Fluid treating apparatus and method of using it |
March 27, 1990 |
| Disclosed is a fluid treating apparatus of hollow fiber type. The apparatus can prevent channeling or stagnation of the fluid which flows inside it by specifying the densities of the hollow fibers and the warps forming a hollow fiber sheet and the laminating conditions for laminating the |
| 4906679 |
Adhesives useful for production of corrugated board |
March 6, 1990 |
| A process for production of corrugated board using an aqueous adhesive which contains polyvinyl alcohol and clay, or polyvinyl alcohol, clay and water-soluble boron compound, the ratio of clay to polyvinyl alcohol being in the range of 200 to 600 parts by weight based on 100 parts by wei |
| 4904822 |
Process for the optical resolution of (+)-2-hydroxy-4-phenylbutanoic acid |
February 27, 1990 |
| A process for the optical resolution of (.+-.)-2-hydroxy-4-phenylbutanoic acid which comprises treating (.+-.)-2-hydroxy-4-phenylbutanoic acid with an optically active 1-(p-tolyl)ethylamine or an optically active N-(2-hydroxy)ethyl-.alpha.-methylbenzylamine as a resolving agent is pr |
| 4894442 |
Monoclonal antibodies that bind to alpha-acid glycoprotein |
January 16, 1990 |
| A monoclonal antibody specific for an .alpha..sub.1 -acid glycoprotein or for at least one antigenic determinant included in a sugar chain of the following formula: ##STR1## wherein Gal means galactose, GlcNAc means N-acetylglucosamine, Man means mannose, Fuc means fucose, and n |
| 4894163 |
Separation of liquid mixtures |
January 16, 1990 |
| The invention provides an industrially advantageous method of separating liquid mixtures which can reduce the liquid film temperature drop in module units. As a result, the separation system can be rendered compact, the treatment capacity can be increased and the cost can be reduced. Thu |
| 4889833 |
Granular inorganic moldings and a process for production thereof |
December 26, 1989 |
| Inorganic granules are characterized in that when the maximum extent of a granule is termed D and the dimension perpendicular to the maximum extent has a maximum extent termed A, A/D is 0.5 to 0.9; and in at least 80% of the granules, the position of A crossing with D is within 0.3D on e |
| 4886904 |
Polyprenyl composition or compounds and process for the production thereof |
December 12, 1989 |
| A polyprenyl composition consisting essentially of a mixture of polyprenyl compounds represented by the following formula ##STR1## wherein A.sub.1 represents a hydroxyl or acetyloxy group, ##STR2## represents a trans-isoprene unit, ##STR3## represents a cis-isoprene unit, |
| 4876400 |
Process for producing vitamin A or its carboxylic acid esters, and itermediate compounds useful |
October 24, 1989 |
| A process for producing vitamin A represented by the formula ##STR1## which comprises treating a compound represented by the formula ##STR2## wherein R.sup.1 represents an aryl group which may be substituted, R.sup.21 and R.sup.22 each represent a hydrogen atom or a lower alkanoy |
| 4874522 |
Polysulfone hollow fiber membrane and process for making the same |
October 17, 1989 |
| The polysulfone hollow fiber membrane provided by the present invention can prohibit bacteria, bacilli, viruses and the like, and is therefore useful, besides as an industrial filter for water purification, as a membrane for body fluid filtration or condensation. In particular, the polys |
| 4871880 |
Hydroformylation process |
October 3, 1989 |
| A hydroformylation process is provided which comprises reacting a compound of the general formulawherein X is a hydroxyl or formyl group and A is a group of the formulain which n is an integer of 3-8 and m is an integer of 0-5, with a mixture of hydrogen and carbon monoxide in the presence o |
| 4867914 |
Pregnane derivatives and method of producing the same |
September 19, 1989 |
| There are provided 12-hydroxy-.DELTA..sup.4 or .DELTA..sup.1,4 -pregnan-3-one-20-carbaldehyde and microbial method of producing the same. The compounds are novel and useful as starting materials for the synthesis of corticoids, typically prednisone, prednisolone and hydrocortisone, w |
| 4867913 |
12.alpha.-substituted pregna-1,4-diene-3,20-diones |
September 19, 1989 |
| 12.alpha.-Substituted pregna-1,4-diene-3,20-diones, which are novel compounds, are provided. These compounds are useful as intermediates for the synthesis of antiinflammatory corticoids represented by prednisone, prednisolone, etc. |
| 4845272 |
Process for the optical resolution of (.+-.)-cis or (.+-.)-trans-permethric acid |
July 4, 1989 |
| A method for optically resolving (.+-.)-cis or (.+-.)-trans-permethric acid which comprises reacting (.+-.)-cis-permethric acid and optically active 1-(p-tolyl)ethylamine or optically active cis-N-benzyl-2-(hydroxymethyl)cyclohexylamine, or reaction (.+-.)-trans-permethric acid and o |
| 4840873 |
Production of optical recording medium |
June 20, 1989 |
| A process for producing an optical recording medium, comprising heat-treating an optical recording medium formed of a thin metal film on the minutely roughened surface of a plastic substrate, the medium being capable of strongly absorbing laser light of a specific wavelength region t |
| 4839055 |
Method for treating blood and apparatus therefor |
June 13, 1989 |
| A method for treating a blood which comprises:separating the blood withdrawn from a patient's body with a first membrane into a condensed blood fraction containing human blood plasma immunoglobulin M, and a plasma fraction; separating the plasma fraction with a second membrane into low m |
| 4835198 |
Polymer composition and textile sizing agent made therefrom |
May 30, 1989 |
| Disclosed herein is a highly compatible polymer composition which comprises (A) starch, (B) vinyl alcohol polymer having an alkyl group of 4 to 50 carbon atoms at the terminal, and/or (C) polyvinyl alcohol. Disclosed also herein is a textile sizing agent having outstanding weavability wh |
| 4833217 |
Polycarbonate resin composition |
May 23, 1989 |
| A polycarbonate resin composition which comprises(i) bisphenol type aromatic polycarbonate, in admixture with(ii) 5 to 200 parts by weight of a polyester type copolymer, per 100 parts by weight of said bisphenol type aromatic polycarbonate, which is produced by adding(a) 5 to 100 parts by we |
| 4829026 |
Glass ceramics |
May 9, 1989 |
| A glass ceramic comprising at least 90 weight percent of a glass composed ofCaO : 17-28 weight percentP.sub.2 O.sub.5 : 13-26 weight percentAl.sub.2 O.sub.3 : 25-38 weight percentB.sub.2 O.sub.3 : 20-37 weight percent (all based on the total weight of the glass ceramic),with the atomic ratio |
| 4825006 |
Process for producing vitamin A or its carboxylic acid esters, and intermediate compounds useful |
April 25, 1989 |
| A process for producing vitamin A represented by the formula ##STR1## which comprises treating a compound represented by the formula ##STR2## wherein R.sup.1 represents an aryl group which may be substituted, R.sup.21 and R.sup.22 each represents a hydrogen atom or a lower alkano |
| 4824904 |
Resin compositions, laminates and block copolymers |
April 25, 1989 |
| The present invention relates to resin compositions and laminates using saponified ethylene-vinyl acetate copolymers containing a polyether component. Formed products and laminates obtained from the resin compositions are flexible, excellent in flexural fatigue resistance and gas bar |
| 4818788 |
Process for producing polyvinyl ester having a high degree of polymerization and process for pro |
April 4, 1989 |
| Disclosed herein is a new process for producing polyvinyl ester having a high degree of polymerization having an intrinsic viscosity not less than 1.5 dl/g, preferably not less than 2.2 dl/g, and most preferably higher than 3.2 dl/g, said process comprising subjecting vinyl ester monomer |
| 4818787 |
Process for producing polyvinyl ester having a high degree of polymerization and process for pro |
April 4, 1989 |
| The present invention provides a process for producing easily on an industrial scale a polyvinyl ester having a high degree of polymerization and PVA having a high degree of polymerization derived by saponification form such a polyvinyl ester. The process of this invention makes it p |
| 4816841 |
Optical recording medium |
March 28, 1989 |
| An optical recording medium which is made up of a plastic substrate having a surface of minute roughened structure and a metal thin film formed on the substrate and is capable of strongly absorbing laser light of a specific wavelength region, thereby writing data on the medium. The o |
| 4816544 |
Polyamideimide elastomer and production thereof |
March 28, 1989 |
| Disclosed are novel polyamideimide elastomers obtained by reaction of carboxyl-telechelic polymer(s) having a molecular weight of 500 to 10,000 aromatic diisocyanate(s), trimellitic acid anhydride and a dicarboxylic acid having 4 to 18 carbon atoms in a particular proportion. The pol |
| 4814425 |
Novel alternate copolymers |
March 21, 1989 |
| Novel alternate copolymers consisting of isopentenyl compounds having a specific structure and certain types of unsaturated compounds are provided. |
| 4812443 |
Methods for enhancing differentiation and proliferation of hematopoietic progenitor cells |
March 14, 1989 |
| A medicament containing a compound of the formula ##STR1## wherein ##STR2## is a trans-isoprene unit, ##STR3## is a cis-isoprene unit, and n is an integer of from 12 to 18, or a pharmaceutically acceptable ester thereof.The medicament is useful for the treatment of anemia |
| 4810755 |
Adhesive resin composition, laminated material using it and resin composition containing it |
March 7, 1989 |
| An adhesive resin composition useful for bonding a resin having gas barrier properties and a hydrophobic thermoplastic resin which comprises an ethylene-acrylate or methacrylate copolymer grafted with an ethylenic unsaturated carboxylic acid or its acid anhydride; and 0.02 to 0.6 equ |
| 4810542 |
Multilayered tube for draw molding and multilayered container utilizing the tube |
March 7, 1989 |
| The tube of the present invention has no or very small local minute nonuniformity in thickness of EVOH layer, and therefore drawn-formed articles such as blow bottle obtained by draw molding the tube have no streaks and are superior in appearance. |
| 4808756 |
Method for production of .alpha.,.omega.-dialdehydes |
February 28, 1989 |
| The method for producing .alpha.,.omega.-dialdehydes from .alpha.,.omega.-diolefins or .alpha.,.omega.-alkenals in good yield and with high efficiency. The expensive rhodium catalyst for hydroformylation can be reused without any substantial attrition of activity. Moreover, since the |
| 4808737 |
Process for producing 2-hydroxy-4-methyltetrahydropyran |
February 28, 1989 |
| The hydroformylation of 3-methyl-3-buten-1-ol with hydrogen and carbon monoxide, when carried out under relatively mild conditions, gives 2-hydroxy-4-methyltetrahydropyran (MHP) in high rate of reaction and in high selectivity even in a very low rhodium catalyst concentration. MHP is |
| 4803332 |
Apparatus for plasma treatment of a sheet-like structure |
February 7, 1989 |
| A plasma treating apparatus for a sheet-like structure which comprises a generally drum-shaped first discharge electrode assembly rigidly mounted on a rotary shaft which extends through a vacuum vessel, the rotary shaft providing rotation to the electrode assembly. The sheet-like structu |
| 4792484 |
Composition, process for producing the same and multi-layer structure |
December 20, 1988 |
| A composition comprising a matrix of an ethylene-vinyl alcohol copolymer having dispersed therein a granular drying agent in a particulate state, wherein the volume-area average diameter of the grains of drying agent having a long dia meter of not less than 10.mu. is not greater than |
| 4786538 |
Optical recording medium formed of chalcogenide oxide and method for producing the same |
November 22, 1988 |
| Metal tellurium is vaporized under the atmosphere of oxygen gas and/or inert gas formed into a plasma by a high frequency power to thereby form a tellurium oxide (TeOx, 0.ltoreq.X.ltoreq.2) layer. The tellurium oxide layer formed in accordance with the present method is stabilized, and a |
| 4782113 |
Neocarzinostatin derivatives and method of producing the same |
November 1, 1988 |
| Substantially pure neocarzinostatin anticancer agents have the formula (A):wherein (NCS) is a divalent neocarzinostatin residue and (SMA) comprises the monovalent residue of a partially half-esterified styrene-maleic acid copolymer having a weight-average molecular weight of from 800 to 2,50 |
| 4778842 |
Polyester resin compositions |
October 18, 1988 |
| Polyester resin compositions exhibiting excellent impact resistance and moldability are disclosed comprising:(a) 80 to 40 parts by weight of a polyethylene terephthalate type polyester [component (a)];(b) 20 to 60 parts by weight of a poly(1,4-butylene terephthalate) type polyester [comp |
| 4774114 |
Injection stretch blow container |
September 27, 1988 |
| An injection stretch blow container consisting of a combination of 97 to 70 parts by weight of saturated polyester and 3 to 30 parts by weight of a saponification product of an ethylene-vinyl acetate copolymer, said container having many areas, particularly at the body wall portion of sa |
| 4772652 |
Copolyester and polyester resin composition comprising said copolyester |
September 20, 1988 |
| The present invention relates to a polyethylene terephthalate based copolyester modified by aliphatic dicarboxylic acid containing not less than 9 carbon atoms and poly(tetramethylene oxide)glycol, and to a polyester resin composition comprising said copolyester.Said polyester resin comp |
| 4764117 |
Restorative dental material and method of restoring teeth using same |
August 16, 1988 |
| A restorative dental material is disclosed which comprises a metal casting with an electroplated tin coat containing polymer particles being formed thereon. Such restorative material can be obtained by electroplating the bonding surface of the metal casting using a plating bath containin |
| 4762885 |
Neocarzinostatin derivatives and a process for manufacturing the same |
August 9, 1988 |
| Substantially pure neocarzinostatin anticancer agents have the formula (A):wherein (NCS) is a divalent neocarzinostatin residue and (SMA) comprises the monovalent residue of a styrene-maleic acid copolymer having a weight-average molecular weight of from 800 to 2,500, said (NCS) residue |
