Inventor · disambiguated record
David Y. Tang
Also filed as: FOSTER ARTHUR M · TANG DAVID Y · TANG DAVID YUANG
39 granted patents·302 citations·filing 1979–2008
98Inventor score
Top patents by PatentIndex Score
39 records- 0182US5049682AProcess for the preparation of halophthalic anhydridesOCCIDENTAL CHEM CO·Filed 1989·Granted Sep 17, 1991·18 cites·42 claims
- 0282US4590315AProcess for the preparation of halo aromatic compoundsOCCIDENTAL CHEM CO·Filed 1984·Granted May 20, 1986·16 cites·14 claims
- 0381US5177181ADiamines and photosensitive polyimides made therefromOCCIDENTAL CHEM CO·Filed 1991·Granted Jan 5, 1993·18 cites·26 claims
- 0480US4582948A3-chloro-4-fluoro-5-nitrobenzotrifluorideOCCIDENTAL CHEM CO·Filed 1984·Granted Apr 15, 1986·16 cites·1 claims
- 0576US4792618AFluorinated carbocylic compoundsOCCIDENTAL CHEM CO·Filed 1984·Granted Dec 20, 1988·16 cites·11 claims
- 0676US4517372AProcess for the preparation of 4-fluorophthalic anhydrideOCCIDENTAL CHEM CO·Filed 1984·Granted May 14, 1985·11 cites·20 claims
- 0774US4470930APreparation of nuclear chlorinated aromatic compoundsOCCIDENTAL CHEM CO·Filed 1982·Granted Sep 11, 1984·11 cites·53 claims
- 0873US5206391AProcess for the preparation of halophthalic anhydridesOCCIDENTAL CHEM CO·Filed 1991·Granted Apr 27, 1993·15 cites·15 claims
- 0972US5935372AAdhesive sealant for bonding metal parts to ceramicsOCCIDENTAL CHEM CO·Filed 1997·Granted Aug 10, 1999·34 cites·20 claims
- 1072US5233054AProcess for the preparation of halophthalic anhydridesOCCIDENTAL CHEM CO·Filed 1991·Granted Aug 3, 1993·12 cites·26 claims
- 1171US4801763ASelective chlorination of chlorotrifluoroethylene telomersOCCIDENTAL CHEM CO·Filed 1987·Granted Jan 31, 1989·10 cites·20 claims
- 1271US4469893AMethod for the preparation of nitrodiphenyl ethersOCCIDENTAL CHEM CO·Filed 1982·Granted Sep 4, 1984·10 cites·26 claims
- 1370US4500471APreparation of trifluoromethyl-benzoyl halidesOCCIDENTAL CHEM CO·Filed 1980·Granted Feb 19, 1985·9 cites·17 claims
- 1469US4424396AProcess for the preparation substituted anilino acidsOCCIDENTAL CHEM CO·Filed 1982·Granted Jan 3, 1984·11 cites·30 claims
- 1568US5874606AProcess for making o-arylbenzonitrilesOCCIDENTAL CHEM CO·Filed 1998·Granted Feb 23, 1999·11 cites·20 claims
- 1663US4367348ANovel trifluoromethyl benzal chlorides and process for the preparation thereofOCCIDENTAL CHEM CO·Filed 1980·Granted Jan 4, 1983·7 cites·11 claims
- 1762US5866709AProcess for making aromatic nitrilesOCCIDENTAL CHEM CO·Filed 1997·Granted Feb 2, 1999·8 cites·21 claims
- 1861US4808760ATelomers prepared from chlorotrifluoroethylene and 1,2-dibromo-2-chlorotrifluoroethaneOCCIDENTAL CHEM CO·Filed 1986·Granted Feb 28, 1989·6 cites·3 claims
- 1960US4238413A(3-Trifluoromethyl)-benzoyl cyanide and process for its productionHOOKER CHEMICALS PLASTICS CORP·Filed 1979·Granted Dec 9, 1980·4 cites·5 claims
- 2059US4212998A1-Phenyl-3-(3-trifluoromethylphenyl)-2-propanol and process for its productionHOOKER CHEMICALS PLASTICS CORP·Filed 1979·Granted Jul 15, 1980·4 cites·4 claims
- 2157US4268687AMethod of making methyl and ethyl esters of (3-trifluoromethylphenyl)-acetic acidHOOKER CHEMICALS PLASTICS CORP·Filed 1979·Granted May 19, 1981·4 cites·7 claims
- 2256US5998670AMethod of making high purity substituted diphenyldisulfidesOCCIDENTAL CHEM CO·Filed 1998·Granted Dec 7, 1999·7 cites·20 claims
- 2355US4296244A(3-Trifluoromethylphenyl)-alpha-hydroxyacetic acid and process for preparationHOOKER CHEMICALS PLASTICS CORP·Filed 1979·Granted Oct 20, 1981·3 cites·6 claims
- 2454US5317049APolyimidesiloxane solution and method of coating substratesOCCIDENTAL CHEM CO·Filed 1993·Granted May 31, 1994·12 cites·20 claims
- 2554US4271319APhenyl beta-chloro-alpha-hydroxy-beta-(3-trifluoromethylphenyl)ethyl ketone and process for its productionHOOKER CHEMICALS PLASTICS CORP·Filed 1979·Granted Jun 2, 1981·3 cites·5 claims
- 2651US4704483A3,4-difluoro-5-nitrobenzotrifluoride and preparation of fluoro-nitro-benzotrifluoridesOCCIDENTAL CHEM CO·Filed 1985·Granted Nov 3, 1987·4 cites·5 claims
- 2751US4229378AProcess for the production of 1-phenyl-3-(3-trifluoromethylphenyl)-2-propanoneHOOKER CHEMICALS PLASTICS CORP·Filed 1979·Granted Oct 21, 1980·2 cites·8 claims
- 2849US4952719AProcess for the preparation of halo aromatic compoundsOCCIDENTAL CHEM CO·Filed 1989·Granted Aug 28, 1990·3 cites·9 claims
- 2949US4212999A1-Phenyl-3-(3-trifluoromethylphenyl)-1,2-propane diol and process for its productionHOOKER CHEMICALS PLASTICS CORP·Filed 1979·Granted Jul 15, 1980·2 cites·4 claims
- 3045US6153810AHighly selective process for making o-arylbenzonitrilesOCCIDENTAL CHEM CO·Filed 1998·Granted Nov 28, 2000·3 cites·20 claims
- 3143US6130361AReducing meta content of isomeric mixtures of halo substituted toluenesOCCIDENTAL CHEM CO·Filed 1998·Granted Oct 10, 2000·3 cites·20 claims
- 3243US4603222AMethod for the preparation of nitrodiphenyl ethersOCCIDENTAL CHEM CO·Filed 1984·Granted Jul 29, 1986·2 cites·20 claims
- 3343US4581179AProcess for the preparation of trifluoromethylbenzoyl chlorides and bromides from trifluoromethylbenzoyl fluoridesOCCIDENTAL CHEM CO·Filed 1980·Granted Apr 8, 1986·2 cites·19 claims
- 3443US4488953APurification of recycled paraffins in photochlorination processOCCIDENTAL CHEM CO·Filed 1983·Granted Dec 18, 1984·2 cites·9 claims
- 3543US4228085APhenyl-alpha,beta-epoxy-beta-(3-trifluoromethylphenyl)ethyl ketone and process for its productionHOOKER CHEMICALS PLASTICS CORP·Filed 1979·Granted Oct 14, 1980·1 cites·1 claims
- 3642US8340770B2Controlling seizure activity with electrical stimulationDURAND DOMINIQUE M·Filed 2008·Granted Dec 25, 2012·0 cites·14 claims
- 3739US4968830AAromatization processOCCIDENTAL CHEM CO·Filed 1989·Granted Nov 6, 1990·1 cites·27 claims
- 3834US6284934B1Reducing meta content of isomeric mixtures of halo substituted alkylbenzenesOCCIDENTAL CHEM CO·Filed 2000·Granted Sep 4, 2001·0 cites·21 claims
- 3933US6156945AMethod of making high purity 2,4- and 3,4-dichlorotolueneOCCIDENTAL CHEM CO·Filed 1999·Granted Dec 5, 2000·1 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →