| Patent Number |
Title Of Patent |
Date Issued |
| 4293395 |
Process for electrolysis of an aqueous alkali metal chloride solution |
October 6, 1981 |
| Process for the electrolysis of an aqueous alkali metal chloride solution using a cation exchange membrane, wherein the gas-liquid interface, at which halogen gas is separated, is maintained larger than the sum total of the cross section area of the unit anode chambers opposing to cathod |
| 4282336 |
Curable diallyl phthalate compounds and process for producing same |
August 4, 1981 |
| Diallyl Phthalate compounds having a molecular weight of 250 to 20,000 and having at least one silyl group represented by the formula: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are each a hydrogen or a monovalent hydrocarbon radicals having 1 to 10 carbon atoms, such as alkyl, ar |
| 4282328 |
Apparatus for cultivating aerobic microorganisms and process for cultivation using the same |
August 4, 1981 |
| Apparatus for cultivating aerobic microorganisms is provided which comprises cell multiplying compartment and cell ripening compartment. The invention also provides a cultivation process using the same apparatus. The invention improves oxygen transfer rate and utilization of oxygen, |
| 4278526 |
Apparatus for electrolysis of an aqueous alkali metal chloride solution |
July 14, 1981 |
| Apparatus for the electrolysis of an aqueous alkali metal chloride solution using a cation exchange membrane, wherein the apparatus is designed so that gas-liquid interface, at which halogen gas is separated, is maintained larger than the sum total of the cross section area of the unit |
| 4277426 |
Method for production of coagulated synthetic polymer latex |
July 7, 1981 |
| A method for coagulating a latex of a synthetic polymer having a coagulated latex particle formation temperature to form substantially spherical particles, the method comprising: forming substantially spherical latex particles by dispersing substantially spherical drops of the latex into |
| 4272517 |
Permanent waving compositions |
June 9, 1981 |
| A permanent waving composition which comprises N-carbamoylcysteine and which acts mildly on the human hair and skin and has outstanding stability during application and storage. When further incorporating cysteine, the composition posseses the advantages afforded by cysteine without invo |
| 4268430 |
Ferrite composition having higher initial permeability and process for preparing molding product |
May 19, 1981 |
| A ferrite composition containing a spinel ferrite and a small amount of a polyphenylene sulfide as a binder, which can provide a molding product having a higher initial permeability and excellent thermal, flame and arc resistances. The molding product is prepared by molding the compositi |
| 4268373 |
Method and apparatus for installation of a membrane to an electrolytic cell |
May 19, 1981 |
| Method and apparatus of installation of a membrane to a finger type electrolytic cell are provided, which comprise covering the horizontal surfaces of a cathode not opposing an anode with a membrane installation frame having a collar, positioning the membrane substantially parallel to |
| 4268372 |
Method and apparatus for installing a membrane to an electrolytic cell |
May 19, 1981 |
| Method and apparatus of installation of a membrane to a finger type electrolytic cell are provided, which comprise covering the horizontal surfaces of a cathode not opposing an anode with a membrane installation frame having a collar, positioning the membrane substantially parallel to |
| 4268365 |
Method of electrolysis of an alkali metal chloride |
May 19, 1981 |
| Electrolysis of an alkali metal chloride solution using an ion exchange membrane is carried out by bringing the anode and the cathode into contact with the surfaces of the ion exchange membrane, whereby electrolysis is conducted at a lower voltage and alkali metal chloride contained in t |
| 4262041 |
Process for preparing a composite amphoteric ion exchange membrane |
April 14, 1981 |
| A process for preparing a composite amphoteric ion exchange membrane, which comprises forming a thin membrane not exceeding 5 microns thick by applying to a surface of a microporous polymer substrate having a physical, selective permeability of its own, a coating consisting of a poly |
| 4257257 |
Method and apparatus for measuring concentrations of gaseous or volatile substances in liquids |
March 24, 1981 |
| A carrier gas is passed through a liquid-repellent porous partition tubing having channels extending through the wall of the tubing and immersed in the liquid to be tested, causing a gaseous or volatile substance to permeate through the wall and diffuse into the carrier gas in the tubing |
| 4242452 |
Process for preparing N-carbamoyl-D-thienylglycines |
December 30, 1980 |
| A process for preparing N-carbamoyl-D-(2-thienyl or 3-thienyl)glycine by subjecting 5-(2-thienyl or 3-thienyl)hydantoin to the action of a cultured broth, cells or treated cells of microorganisms having an ability of stereospecifically hydrolyzing the hydantoin ring. N-carbamoyl-D-(2 |
| 4240883 |
Method for electrolysis of an aqueous alkali metal chloride solution |
December 23, 1980 |
| Method for electrolysis of an aqueous alkali metal chloride solution is provided, wherein an aqueous alkali metal chloride solution is electrolyzed by maintaining a temperature of an aqueous alkali metal hydroxide liquor in a cathode compartment lower than that of the aqueous alkali |
| 4237227 |
Process for preparing D-N-carbamoyl-.alpha.-amino acids |
December 2, 1980 |
| A process for preparing D-N-carbamoyl-.alpha.-amino acids by subjecting 5-substituted hydantoins to the action of a cultured broth, cells or treated cells of microorganisms having an ability in asymmetrically hydrolyzing the hydantoin ring in an aqueous medium of pH 7 to 10. The proc |
| 4230869 |
Process for preparing 5-(4-hydroxyphenyl)hydantoin |
October 28, 1980 |
| A process for preparing 5-(4-hydroxyphenyl)hydantoin by reacting glyoxylic acid, urea and phenol in an aqueous medium in the presence of an acid at an elevated temperature. The hydantoin of high purity can be readily prepared in good yields. |
| 4220734 |
Impact and weather resistant composite of polyvinylchloride and acrylic modifier |
September 2, 1980 |
| A thermoplastic resin composition consisting essentially of homopolymer or copolymer of polyvinyl chloride and a graft copolymer of a monomer mixture consisting essentially of alkyl methacrylate, aromatic vinyl compound, unsaturated nitrile and monovinylidene compound copolymerizable the |
| 4200719 |
Method of production of acrylonitrile polymer with vinylbenzyl sulfonic acids |
April 29, 1980 |
| A method of producing an acrylonitrile copolymer of 40 to 65 weight percent acrylonitrile and mainly vinyl chloride and vinylidene chloride in amounts within the rangewherein, A is a mixture of olefinic monomers excluding B and C, in weight percents, mainly comprising acrylonitrile; B is |
| 4194065 |
Process for producing coenzyme Q |
March 18, 1980 |
| A process is disclosed wherein yeast cells containing coenzyme Q in large quantities are efficiently produced by aerobically cultivating a yeast, in which maximum specific growth rate is not less than 0.15 hr.sup.-1 under optimum cultural conditions, in a nutrient medium in which said ye |
| 4191714 |
Curable polyester oligomer and a process for producing same |
March 4, 1980 |
| A curable polyester oligomer having a molecular weight of between 300 and 10,000 and at least one silyl radical at the side chain or at the end of the molecule, with the silyl radical being represented by the formula: ##STR1## wherein R, R.sub.1 and R.sub.2 represent hydrogen or any |
| 4191713 |
Room temperature curable composition |
March 4, 1980 |
| An ambient temperature curable composition comprising a compound having a silyl group capable of being cured at ambient temperature in the presence of water and a silicon compound having a group capable of reacting with the terminal silyl group. |
| 4185153 |
Process for preparing 5-(2-thienyl)hydantoin |
January 22, 1980 |
| A process for preparing 5-(2-thienyl)hydantoin by reacting glyoxylic acid, urea and thiophene in the presence of an acid at an elevated temperature. The hydantoin of high purity can be readily prepared in good yields. |
| 4179481 |
Vinyl chloride resin compositions |
December 18, 1979 |
| Vinyl chloride resin composition comprising vinyl chloride series resin and a two stage polymerization product comprising methyl methacrylate or a monomeric mixture containing a major proportion of methyl methyacrylate subjected to emulsion polymerization and then in the presence of the |
| 4161572 |
Curable diallyl phthalate compounds and process for producing same |
July 17, 1979 |
| Diallyl Phthalate compounds having a molecular weight of 250 to 20,000 and having at least one silyl group represented by the formula: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are each a hydrogen or a monovalent hydrocarbon radicals having 1 to 10 carbon atoms, such as alkyl, ar |
| 4148688 |
Process for preparing L-methionine |
April 10, 1979 |
| A process for preparing L-methionine by subjecting DL- or L-N-carbamoylmethionine to the action of a cultured broth, cells or treated cells of microorganisms having a capability in asymmetrically hydrolyzing the carbamoyl group of N-carbamoylmethionine. The process is suited for larg |
| 4132749 |
Vinyl chloride series resin blend compositions |
January 2, 1979 |
| Vinyl chloride series resin compositions comprising (a) 90 to 50 parts by weight vinyl chloride series resins and (b) 10 to 50 parts by weight of graft polymers obtained by polymerizing (i) 20 to 65 weight percent butadiene series rubber, (ii) 20 to 50 weight percent vinyl aromatic h |
| 4123329 |
Process for producing L-lysine by fermentation |
October 31, 1978 |
| A process for producing L-lysine by fermentation, comprising the steps of aerobically cultivating a strain having the ability to produce L-lysine and derived from Nocardia alkanoglutinousa No. 223, in a culture medium containing an assimilable carbon source and an assimilable nitrogen |
| 4115480 |
Method of production of acrylic resin for film use and an acrylic resin obtained therefrom |
September 19, 1978 |
| A method of producing acrylic resin for use as a film and having reduced tendency to stress whitening and acrylic resins produced by such method. An elastomer is prepared by copolymerizing a cross-linking monomer with a monomer mixture comprising a major proportion of acrylic acid alkyl |
| 4094741 |
Process for preparing D-(-)-N-carbamoyl-2-(phenyl or substituted phenyl)glycines |
June 13, 1978 |
| A process for preparing D-(-)-N-carbamoyl-2-(phenyl or substituted phenyl)glycines by subjecting 5-(phenyl or substituted phenyl)hydantoins to the action of a cultured broth, cells or treated cells of microorganisms having a capability in asymmetrically hydrolyzing the hydantoin ring |
| 4076951 |
Method of polymerizing vinyl chloride |
February 28, 1978 |
| In the suspension polymerization in an aqueous medium of vinyl chloride alone or of a monomer mixture comprising vinyl chloride as a major component and other monomers copolymerizable therewith as a minor component, depositin of polymer scales on the inside surfaces of the polymeriza |
| 4035563 |
Method of suspension polymerizing vinyl chloride with salts of nitrous acids and polyvalent meta |
July 12, 1977 |
| A method of suspension polymerizing in an aqueous medium vinyl chloride or a mixture of 50% or more vinyl chloride and remainder other monomers copolymerizable therewith in the presence of an oil soluble initiator, a suspension stabilizer and 0.005 to 50 ppm of nitrite, and 10 to 1000 pp |
| 4035447 |
Fire resistant polymer composition |
July 12, 1977 |
| A fire resistant polymer composition comprising 99.9 to 50 parts by weight of a copolymer consisting essentially of 90 to 10 weight percent nuclear-halogenated aromatic vinyl compound, 10 to 90 weight percent cyanized vinyl compound, and 0 to 30 weight percent one or more monomers co |
| 4034410 |
Magnetic recording medium |
July 5, 1977 |
| A magnetic recording medium comprising a magnetic sheet of domain sized particles of at least one member selected from the group consisting of barium ferrite, strontium ferrite and lead ferrite, dispersed uniformly in an organic binder, and a ferromagnetic plate bonded to one surface wit |
| 4014842 |
Vinyl chloride resin compositions |
March 29, 1977 |
| A vinyl chloride resin composition consisting essentially of a vinyl chloride polymer or copolymer of 70% or more by weight vinyl chloride and 30% or less by weight of one or more monomers copolymerizable therewith and a graft copolymer prepared by graft copolymerizing one or more mo |
| 4014770 |
Electron beam cured intumescent coating composition |
March 29, 1977 |
| A foam and flame-breakable resin composition comprising a non-inflammable agent, an auxiliary non-inflammable agent, a foaming agent, an ash coagulating agent and a resin system consisting essentially of a blend of a copolymer of ethylene and vinyl acetate having a high melt viscosity |
| 4013608 |
Method of producing polymer solutions of polymers or copolymers of vinyl chloride series |
March 22, 1977 |
| A method of producing a polymer or copolymer solution of vinyl chloride series, wherein polymerization of 100 parts by weight of a monomer mixture of at least 50 weight percent of vinyl chloride and less than 50 weight percent of one or more monomers copolymerizable therewith is carried |
| 4012346 |
Acrylic synthetic fibers having an animal hair-like touch and its method of manufacture |
March 15, 1977 |
| Acrylic synthetic fibers having excellent touch and luster properties are produced, wherein such fibers are prepared from a copolymer comprising 30 weight % or more of acrylonitrile, 70 weight % and less of vinyl chloride and/or vinylidene chloride and from 0 to 10 weight % of other |
| 4007232 |
Acrylic synthetic fiber superior in non-inflammability |
February 8, 1977 |
| An acrylic synthetic fiber comprising an acrylic copolymer consisting essentially of acrylonitrile, vinyl chloride and vinyl idene chlorde in the weight percentages defined by the formulawherein A is the weight percent of a mixture of olefinic monomers excluding vinyl chloride, vinyliden |
| 4002809 |
Method of manufacturing acrylic fibers |
January 11, 1977 |
| A method of manufacturing acrylic fibers free from delustering in boiling water, comprises the steps of forming a spinning solution by dissolving in a solvent of acetone, acetonitrile, dimethylformamide and mixtures thereof, (a) a copolymer consisting of (1) 30 - 80% acrylonitril and (2) |
| 4001364 |
Method for improving the physical properties of ceramics |
January 4, 1977 |
| A method of improving the physical properties, such as workability and impact strength, of ceramics, wherein particles of ceramics are coated with atactic polypropylene, subsequently formed into desired shape under compression and then sintered. |
| 3994986 |
Method of producing cyclopentene |
November 30, 1976 |
| A method of producing cyclopentene comprising the steps of depolymerizing dicyclopentadiene to produce raw cyclopentadiene; feeding the raw cyclopentadiene to a distillation tower having an upper part cooled to a temperature near the boiling point of the cyclopentadiene and an outlet |
| 3992485 |
Process for preparation of weather resistant and impact resistant resins |
November 16, 1976 |
| A two stage emulsion polymerization process for preparing resins having both weather resistance and impact resistance. In the first step, there are copolymerized 100 to 80% by weight of an alkyl acrylate having alkyl containing 2 to 8 carbon atoms; 0 to 20% by weight of a monomer contain |
| 3980622 |
Polymerizable emulsifying agent and application thereof |
September 14, 1976 |
| Compounds having the formula ##EQU1## wherein R is alkyl group having 6 to 22 carbon atoms, M is H, Li, Na, K or NH.sub.4 and n is an integer of 2 to 4, inclusive. The compound is useful as polymerizable emulsifying agent, and enables to improve properties of produced polymer and |
| 3971751 |
Vulcanizable silylether terminated polymer |
July 27, 1976 |
| A composition comprising a polyether having silicon end group, which composition is changeable to a rubber-like substance upon exposure to atmospheric moisture at room temperature. |
| 3965012 |
Membrane separation apparatus |
June 22, 1976 |
| A membrane separation apparatus adapted for use in ultrafiltration is provided comprising a casing and a membrane unit enclosed therein, said membrane unit comprising a composite membrane folded flatly in zigzag relation to form a plurality of stacked layers defining a plurality of f |
| 3962181 |
Process for preparation of polyphenylene oxides |
June 8, 1976 |
| A process for preparing polyphenylene oxides by oxidizing a nuceus substituted phenol with oxygen in the presence of a basic manganese chelate compound. |
| 3960787 |
Process for preparing foamable synthetic resin granules |
June 1, 1976 |
| In a process for preparing foamable synthetic resin granules by suspension polymerization, a fatty acid bisamide is added prior to or at an early stage of polymerization in the presence of an inorganic salt and a foaming agent is added at a later stage of polymerization or after completi |
| 3959235 |
Method of polymerizing vinyl chloride |
May 25, 1976 |
| Vinyl chloride monomer, or a monomeric mixture comprising vinyl chloride as a main component and other monomers co-polymerizable therewith in an aqueous reaction medium, is polymerized in a polymerization vessel. All of the surfaces of the inside walls of the vessel and the agitator blad |
| 3956425 |
Modifier for vinylidene chloride resin |
May 11, 1976 |
| A modifier for vinylidene chloride resin which is produced by polymerizing 50 to 20 parts by weight of a vinyl monomer mixture comprising 0 to 60 weight percent methyl methacrylate, 0 to 30 weight percent acrylic acid ester and more than 20 weight percent aromatic vinyl monomer, in the |
| 3954699 |
Process for polymerizing cycloolefines |
May 4, 1976 |
| A Process for polymerizing cycloolefins by ring opening reaction using heterogeneous catalyst containing tungsten trioxide and Lewis acid or tungsten trioxide, Lewis acid and organoaluminum compound as the polymerization catalyst. |
