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Assignee: Daicel Chemical Industries, Ltd.


Location: Tokyo, JP
No. of patents: 41

1    
NumberTitleIssue Date
7202069(R)-2-octanol dehydrogenases, methods for producing the enzymes, DNA encoding the enzymes, and methods for producing alcohols using the enzymes
This invention provides (R)-2-octanol dehydrogenase that catalyzes oxidation-reduction reaction using NAD+ (NADH) as a coenzyme and the genes that encodes them. The enzymes of this invention can be obtained from microorganisms such as the genera Pichia...
04/10/2007
6820557Igniter for air bag system
The present invention provides an igniter for an air bag system in which the whole weight can be reduced. The present invention provides an igniter for an air bag system which is used in an air bag system comprising an ECU connected to a power source and an i...
11/23/2004
6417257Polycarbonate resin composition
The present invention relates to a thermoplastic resin comprising 100 parts by weight of a resin mixture comprising 30 to 95% by weight of a polycarbonate resin (a), 5 to 70% by weight of a polystyrene resin (b), 0.5 to 20 parts by weight of a specific bl...
07/09/2002
6297388Ester and process for producing the same
6-Alkoxycarbonylmethyl-4H-1,3-dioxin-4-one derivatives are produced by reacting a 6-halomethyl-4H-1,3-dioxin-4-one derivative with carbon monoxide and an alcohol or water, and 3-oxopentanedicarboxylic acid esters are further produced by reacting the above...
10/02/2001
6107492Process for the preparation of levetiracetam
Levetiracetam is prepared by optical resolution of etiracetam by means of preparative high performance liquid chromatography or continuous simulated moving bed chromatographic system using silica gel supporting amylose tris(3,5-dimethylphenylcarbamate) as...
08/22/2000
6103852Method for preparing amorphous polymer chains in elastomers
A method for preparing an amorphous polymer chain in an elastomer which permits use of previously unavailable monomers while permitting control of crystallizability of the amorphous polymer chain. The method of the present invention thus permits an increa...
08/15/2000
6096392Cholesteric liquid crystal display element
A liquid crystal composition comprising a cholesteric liquid-crystal polymer, an electrolyte, and an aqueous medium is hermetically interposed between a pair of electrodes and an electric field is applied to the assemblage to control the display color. Th...
08/01/2000
6066686Polycarbonate compositions
The present invention relates to a thermoplastic resin comprising 100 parts by weight of a resin mixture comprising 30 to 95% by weight of a polycarbonate resin (a), 5 to 70% by weight of a polystyrene resin (b), 0.5 to 20 parts by weight of a specific bl...
05/23/2000
6022550Crosslinkable polymer composition, molded article therefrom, process for the preparation thereof, crosslinked nonwoven cloth, and process for the preparation thereof
Disclosed are a crosslinkable resin composition, and a molded article from the composition, a process for the preparation of the crosslinkable polymer composition, and crosslinked nonwoven cloth having a shape-memory effect and a process for the preparati...
02/08/2000
5977346Fatty acid ester of cellulose, cellulose diacetate and processes for the preparation thereof
A fatty acid ester of cellulose having excellent transparency, filterability and spinnability in spite of its high content of mannose and xylose, wherein the total molar content of mannose and xylose accounts for at least 7% of that of glucose, mannose an...
11/02/1999
5889127Continuous process for the preparation of a polyester-based polymer
Disclosed is a process for the continuous preparation of a polyester-based polymer having excellent quality which is useful as materials for medical care, coatings, and wrapping. In the process for the continuous preparation, a column-type continuous reac...
03/30/1999
5889140Cross-linkable or curable polylactone composition, cross-linked or cured molding made therefrom and process for the production thereof
A crosslinkable polylactone-based composition comprising formulating 100 parts by weight of a polylactone (A) whose number average molecular weight is in the range of 10,000 to 300,000 and 0.1 to 30 parts by weight of a crosslinkable monomer (B) which can...
03/30/1999
5795935Thermoplastic composition of polyester, polyamide and glycidyl-modified polyolefin
A thermoplastic resin composition comprises (A) a polyester resin, (B) a polyamide resin, (C) a modified polyolefin containing glycidyl-bearing structural units in an amount of 10-4 to 10-2 eq/g in terms of epoxy equivalent and (D) a...
08/18/1998
5777027Curable resin composition which comprises a lactone-modified polyvinyl acetal resin
A novel lactone-modified polyvinyl acetal resin and a novel carboxyl-modified resin thereof are disclosed. The novel resins of the present invention can be used as a polyol resin for coatings curable at ordinary temperatures or heating, adhesives, binders...
07/07/1998
5773501Flame retardant styrene resin composition
A flame-retardant styrene resin composition comprises a styrene resin, a halogen-containing flame retardant and a flame retarding assistant comprising antimony trioxide having an average size of 5.2 microns or larger and is improved in view of weatherabil...
06/30/1998
5721329Lactone-modified diketene (meth)acrylate compound, a process for the preparation thereof, and a (co)polymer
Disclosed are a novel lactone-modified diketene (meth)acrylate compound having an active methylene group in the molecule and a process for the preparation thereof. The novel lactone-modified diketene (meth)acrylate compound of the present invention can be...
02/24/1998
5679837Process for producing acetic acid or methyl acetate and catalyst therefor
The present invention relates to: (1) a novel catalyst which has a high catalytic activity, is useful in the production of acetic acid and/or methyl acetate from methanol, and is obtained through ion exchange of an anion of an anion exchanger with an anio...
10/21/1997
5677255Polysiloxane supported metallocene catalyst for olefin polymerization
A catalyst for producing a poly-଱-olefin which comprises a metallocene compound containing an element of group IVA bonded to an organic polymer containing an element of the group IVB; and a process for producing a poly-଱-olefin which comprises...
10/14/1997
5677385Photo-setting colored filter composition, a color filter, a process for the preparation thereof, and a curable resin composition
Disclosed are a photo-setting colored filter composition, a color filter, a process for the preparation thereof, a curable resin, and a curable resin composition. The photo-setting colored filter composition of the present invention has an excellent photo...
10/14/1997
5670604Preparation of a polycarbonate by melt-polycondensation of a dihydric phenol and a carbonic diester
A process for preparing a substantially chloride-ion-free, high-molecular-weight, colorless and transparent polycarbonate by melt-polycondensing a dihydric phenol with a carbonic diester, which comprises using a carbonic diester which is substantially fre...
09/23/1997
5663278(Co)polycarbonate and process for producing the same
A processes for producing a (co)polycarbonate having a low terminal hydroxyl group concentration and being excellent in heat resistance and hue, which comprises melt-polycondensing a dihydroxy compound with a carbonic diester in the presence of a catalyst...
09/02/1997
5663311Polysaccharide derivative and separation agent
The present invention provides a novel polysaccharide derivative in which part or the whole of the hydroxyl groups or the amino groups contained in a polysaccharide are displaced by two or more kinds of substituents, and a separating agent and a separatin...
09/02/1997
5658978(Co)polycarbonate and borate composition
A processes for producing a (co)polycarbonate having a low terminal hydroxyl group concentration and being excellent in heat resistance and hue, which comprises melt-polycondensing a dihydroxy compound with a carbonic diester in the presence of a catalyst...
08/19/1997
5631342Lactone-modified diketene(meth)acrylate compound, a process for the preparation thereof, and a (co)polymer
Disclosed are a novel lactone-modified diketene (meth)acrylate compound having an active methylene group in the molecule and a process for the preparation thereof. The novel lactone-modified diketene(meth)acrylate compound of the present invention can be ...
05/20/1997
5510428Compositions, epoxized compositions, a heat curable resin composition, an epoxy resin composition, radically polymerized compositions, a curable resin composition and a polymer having epoxy groups
Compositions (I), (II) and (III) comprising compounds having vinyl groups as side chains and epoxidized compositions (XI), (XII) and (XIII) thereof, which can be prepared by the various reaction combinations of (a) with (b) or (b)+(c), and or (d), where (...
04/23/1996
5494977Compositions, epoxized compositions, a heat curable resin composition, an epoxy resin composition, radically polymerized compositions, a curable resin composition and a polymer having epoxy groups
Compositions(I), (II) and (III) comprising compounds having vinyl groups as side chains and epoxidized compositions(XI), (XII) and (XIII) thereof, which can be prepared by the various reaction combinations of (a) with (b) or (b)+(c), and or (d), where (a)...
02/27/1996
5446176Purified 3,4-epoxycyclohexyl methyl (meth)acrylate, a process for the preparation thereof and a 3,4-epxoycyclohexyl methyl (meth)acrylate composition
Disclosed are the improvements of a process for the preparation of a purified 3,4-epoxycyclohexyl methyl (meth)acrylate and 3,4-epoxycyclohexyl methyl (meth)acrylate which is prepared by the improvements, including only minor amounts of polymers having a ...
08/29/1995
5419875Gas generator with novel nozzle structure
A gas generator for air bags is provided which includes a first outer shell and a second outer shell, each having a circular part and an outer wall formed along the outer periphery of the circular part. A gas generating device is installed in the hollow p...
05/30/1995
5385995Process for the preparation of an alkyl vinyl ether/maleic anhydride copolymer
An improved process for the preparation of an alkyl vinyl ether/maleic anhydride copolymer in which copolymerization is carried out in an admixture of an ester and an hydrocarbon. The alkyl vinyl ether/maleic anhydride copolymer obtained by this process d...
01/31/1995
5374407Gas generator with porous outer wall
The present invention provides a gas generator for air bags that includes a first shell having a circular part and an outer wall. The outer wall formed is of a porous material which allows gas to pass freely therethrough. A second shell is attached to the...
12/20/1994
5338061Air bag having double-wall construction
An air bag for use in connection with a gas generator is provided. The air bag is of a double-wall construction. The air bag is fitted to the housing of a gas generator and a gas jet opening for allowing the air bag to communicate with the housing is prov...
08/16/1994
5338879Lactone-modified alicyclic composition and an epoxidized composition thereof
A composition comprising a lactone-modified alicyclic compound (I), or an epoxidized lactone-modified alicyclic compound (II) of the following formulae: ##STR1## wherein R is an alkyl group, an aromatic group or an alkenyl group having carbon nu...
08/16/1994
5275725Flat separation membrane leaf and rotary separation apparatus containing flat membranes
The present invention provides a flat separation membrane leaf, which is characterized by consisting of a flat membrane support comprising an inner layer having a coarse structure and surface layers comprising a nonwoven fabrics having a dense structure, ...
01/04/1994
5260038Gas generator for air bags with circumferentially disposed blades
The present invention provides a gas generator for air bags that includes a first shell having a circular part and an outer wall. The outer wall is formed of a porous material which allows gas to pass freely therethrough. A second shell is attached to the...
11/09/1993
5236675Gas generator with circumferential joints
A gas generator for an air bag is provided which includes a housing having first and second outer shells each having a flange, a gas generation device disposed inside the housing and a gas jet portion for introducing a gas in the gas generation device int...
08/17/1993
5224734Gas generator for air bags having vertical stack arrangement
The gas generator for air bags of the present invention includes a housing made up of first and second shells, each shell having a circular part and an outer wall formed along the periphery of the circular part. Installed in the housing is a gas generatin...
07/06/1993
5198509Lactone-modified alicyclic composition and an epoxidized composition thereof
A composition comprising a lactone-modified alicyclic compound (I), or an epoxidized lactone-modified alicyclic compound (II) of the following formulae: ##STR1## wherein R is an alkyl group, an aromatic group or an alkenyl group having carbon nu...
03/30/1993
5140091Compositions of polyether compounds, epoxy compounds and processes for production thereof based on 4-vinylcyclohexene-1-oxide
Disclosed are a composition comprising polyether compounds, obtained by addition copolymerization of a mixture of 4-vinylcyclohexene-1-oxide and a compound having at least two epoxy groups with a compound having at least one active hydrogen atom, and a co...
08/18/1992
5093140Aqueous bactericide for animal treatment
A process for treating animal meat during the steps of scalding and chilling is disclosed. The meat is treated with an aqueous Biocide which contains a mixture of two or more organic acids and a surfactant....
03/03/1992
4873310Aromatic polyamides based on phenoxyterephthalic acid and process for preparing them
Aromatic polyamides based on phenoxyterephthalic acid and a process for preparing them. Polyamides and copolyamides based on phenoxyterephthalic acid are resistant to chemicals and can be processed as thermoplastics with no problems....
10/10/1989
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