Assignee
DAICEL CHEM
JP·1,081 granted patents·85 pending applications·16,270 citations·filing 1979–2011
Top patents by PatentIndex Score
1,166 records- 0198US7678940B2Process for producing carboxylic acidDAICEL CHEM·Filed 2006·Granted Mar 16, 2010·52 cites·14 claims
- 0297US5625095AProcess for producing high purity acetic acidDAICEL CHEM·Filed 1995·Granted Apr 29, 1997·110 cites·2 claims
- 0397US5489665AProcess for producing polycarbonateDAICEL CHEM·Filed 1994·Granted Feb 6, 1996·155 cites·11 claims
- 0496US7408059B2Method for producing 3, 4-dihydro-1,2,3-oxathiazin-4-one-2,2-dioxide compound or salt thereofDAICEL CHEM·Filed 2005·Granted Aug 5, 2008·26 cites·4 claims
- 0596US7083962B2Carbonyl reductases, polynucleotides comprising DNA encoding the same, methods for producing the same, and methods for producing optically active alcohol utilizing the sameDAICEL CHEM·Filed 2004·Granted Aug 1, 2006·90 cites·8 claims
- 0696US5494992A(Co)polycarbonate and process for producing the sameDAICEL CHEM·Filed 1995·Granted Feb 27, 1996·159 cites·7 claims
- 0796US5413922AProcess for producing optically active 1,3-butanediol by reduction of 4-hydroxy-2-butanoneDAICEL CHEM·Filed 1993·Granted May 9, 1995·103 cites·13 claims
- 0896US5010145APolylactic acid fiberDAICEL CHEM·Filed 1988·Granted Apr 23, 1991·74 cites·11 claims
- 0995US7683212B2Methods for producing acetic acidDAICEL CHEM·Filed 2005·Granted Mar 23, 2010·26 cites·8 claims
- 1095US7208621B2Malonic acid monomethyl derivatives and production process thereofDAICEL CHEM·Filed 2006·Granted Apr 24, 2007·56 cites·2 claims
- 1195US6878423B2Transfer sheetsDAICEL CHEM·Filed 2002·Granted Apr 12, 2005·42 cites·19 claims
- 1295US6235851B1Polymerizable adamantane derivatives and process for producing the sameDAICEL CHEM·Filed 1998·Granted May 22, 2001·79 cites·14 claims
- 1395US6012659AMethod for discriminating between used and unused gas generators for air bags during car scrapping processDAICEL CHEM·Filed 1996·Granted Jan 11, 2000·209 cites·6 claims
- 1495US5559030AProcesses for production of optically active 4-halo-3-hydroxybutyric acid estersDAICEL CHEM·Filed 1994·Granted Sep 24, 1996·161 cites·8 claims
- 1595US5498688ATwo-step process for the preparation of a (co)polycarbonate by transesterificationDAICEL CHEM·Filed 1995·Granted Mar 12, 1996·164 cites·3 claims
- 1695US5478386ABiodegradable cellulose ester composition and articleDAICEL CHEM·Filed 1993·Granted Dec 26, 1995·75 cites·31 claims
- 1795US5240283AAir bag type occupant protectorDAICEL CHEM·Filed 1991·Granted Aug 31, 1993·144 cites·10 claims
- 1895US4565859APolyether compounds, epoxy resins, epoxy resin compositions, and processes for production thereofDAICEL CHEM·Filed 1985·Granted Jan 21, 1986·74 cites·15 claims
- 1994US7476761B2Process for producing acetic acidDAICEL CHEM·Filed 2005·Granted Jan 13, 2009·19 cites·9 claims
- 2094US6917396B2Light diffusion film, plane light source device and liquid crystal display apparatus for enhancing a constant luminance and diffusing a lightDAICEL CHEM·Filed 2002·Granted Jul 12, 2005·81 cites·24 claims
- 2194US6723392B1Light scattering sheet, light scattering composite sheet, and liquid crystal displayDAICEL CHEM·Filed 2000·Granted Apr 20, 2004·91 cites·19 claims
- 2294US6722694B1Gas generator for multi-stage air bag and air bag deviceDAICEL CHEM·Filed 2000·Granted Apr 20, 2004·65 cites·72 claims
- 2394US5981420AOxidation catalytic system and oxidation processDAICEL CHEM·Filed 1998·Granted Nov 9, 1999·60 cites·12 claims
- 2494US5916422AMethod of purifying acetic acidDAICEL CHEM·Filed 1997·Granted Jun 29, 1999·74 cites·13 claims
- 2594US5863652ATobacco smoke filter materials, fibrous cellulose esters, and production processesDAICEL CHEM·Filed 1997·Granted Jan 26, 1999·85 cites·4 claims
- 2694US5770301ABarrier composite films and a method for producing the sameDAICEL CHEM·Filed 1996·Granted Jun 23, 1998·131 cites·24 claims
- 2794US5723660AProcess for producing acetic acidDAICEL CHEM·Filed 1996·Granted Mar 3, 1998·67 cites·1 claims
- 2894US5225277AAcetate tow having high crimp modulus and manufacturing method thereofDAICEL CHEM·Filed 1990·Granted Jul 6, 1993·134 cites·11 claims
- 2994US4707187AMortar admixtureDAICEL CHEM·Filed 1986·Granted Nov 17, 1987·74 cites·2 claims
- 3094US4522984AModified epoxy resin and compositionDAICEL CHEM·Filed 1984·Granted Jun 11, 1985·73 cites·6 claims
- 3194US4311833AProcess for preparing ethylcarboxymethylcelluloseDAICEL CHEM·Filed 1980·Granted Jan 19, 1982·70 cites·5 claims
- 3293US7109369B2Malonic acid monomethyl derivatives and production process thereofDAICEL CHEM·Filed 2004·Granted Sep 19, 2006·56 cites·2 claims
- 3393US6491321B1Multistage gas generator for air bag and air bag apparatusDAICEL CHEM·Filed 2000·Granted Dec 10, 2002·56 cites·14 claims
- 3493US5977347ACellulose acetate propionateDAICEL CHEM·Filed 1998·Granted Nov 2, 1999·118 cites·8 claims
- 3593US5942320ABarrier composite films and a method for producing the sameDAICEL CHEM·Filed 1997·Granted Aug 24, 1999·105 cites·29 claims
- 3693US4308368APhotosensitive compositions with reaction product of novolak co-condensate with o-quinone diazideDAICEL CHEM·Filed 1980·Granted Dec 29, 1981·73 cites·15 claims
- 3792US7390019B2Inflator for airbagDAICEL CHEM·Filed 2005·Granted Jun 24, 2008·29 cites·25 claims
- 3892US6718884B1Initiator assemblyDAICEL CHEM·Filed 2000·Granted Apr 13, 2004·52 cites·16 claims
- 3992US4500426ASemipermeable membrane elementsDAICEL CHEM·Filed 1981·Granted Feb 19, 1985·88 cites·8 claims
- 4091US7148344B2Method for producing cellulose acetate filmDAICEL CHEM·Filed 2005·Granted Dec 12, 2006·21 cites·16 claims
- 4191US6432688B1Amino alcohol dehydrogenase converts keto alcohol to amino alcohol and amino alcohol to keto alcoholDAICEL CHEM·Filed 2000·Granted Aug 13, 2002·48 cites·2 claims
- 4291US6403521B1Catalyst comprising nitrogen-containing heterocyclic compound, and process for producing organic compound using the catalystDAICEL CHEM·Filed 2000·Granted Jun 11, 2002·27 cites·5 claims
- 4391US6022550ACrosslinkable polymer composition, molded article therefrom, process for the preparation thereof, crosslinked nonwoven cloth, and process for the preparation thereofDAICEL CHEM·Filed 1997·Granted Feb 8, 2000·72 cites·34 claims
- 4491US5804296ACellulose ester compositions and shaped articlesDAICEL CHEM·Filed 1995·Granted Sep 8, 1998·83 cites·34 claims
- 4591US5756836AProcess for producing highly purified acetic acidDAICEL CHEM·Filed 1996·Granted May 26, 1998·57 cites·11 claims
- 4691US4638057ACellulose acetate molding containing odoriferous substanceDAICEL CHEM·Filed 1985·Granted Jan 20, 1987·52 cites·3 claims
- 4790US7884241B2Distillation processDAICEL CHEM·Filed 2005·Granted Feb 8, 2011·23 cites·15 claims
- 4890US6767987B2Lowly lactone-modified reactive monomer composition, acrylic polyol resins produced with the same, curable resin compositions and coating compositionsDAICEL CHEM·Filed 2000·Granted Jul 27, 2004·35 cites·13 claims
- 4990US6531530B2Non halogen, organic or inorganic flame retardants in thermoplastic polymer blendsDAICEL CHEM·Filed 2000·Granted Mar 11, 2003·42 cites·14 claims
- 5090US6517914B1Anisotropic light-scattering filmDAICEL CHEM·Filed 2000·Granted Feb 11, 2003·52 cites·20 claims
Showing the top 50 of 1,166 patent records by PatentIndex Score.
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