Inventor · disambiguated record
Ta-Sen Chou
Also filed as: CHOU TA S · CHOU TA-SEN
34 granted patents·1,032 citations·filing 1973–1997
98Inventor score
Files withLILLY CO ELI33
Top patents by PatentIndex Score
34 records- 0196US5223608AProcess for and intermediates of 2',2'-difluoronucleosidesLILLY CO ELI·Filed 1990·Granted Jun 29, 1993·92 cites·9 claims
- 0295US4965374AProcess for and intermediates of 2',2'-difluoronucleosidesLILLY CO ELI·Filed 1989·Granted Oct 23, 1990·89 cites·4 claims
- 0392US5945547AImtermediate in process to make 2', 2'-difluoronucleosidesLILLY CO ELI·Filed 1997·Granted Aug 31, 1999·49 cites·1 claims
- 0488US5401838AStereoselective fusion glycosylation process for preparing 2'-deoxy-2',2'-difluoronucleosides and 2'-deoxy-2'-fluoronucleosidesLILLY CO ELI·Filed 1993·Granted Mar 28, 1995·91 cites·18 claims
- 0587US5606048AStereoselective glycosylation process for preparing 2'-Deoxy-2', 2'-difluoronucleosides and 2'-deoxy-2'-fluoronucleosidesLILLY CO ELI·Filed 1994·Granted Feb 25, 1997·139 cites·38 claims
- 0687US5401861ALow temperature process for preparing alpha-anomer enriched 2-deoxy-2,2-difluoro-D-ribofuranosyl sulfonatesLILLY CO ELI·Filed 1992·Granted Mar 28, 1995·76 cites·14 claims
- 0786US4289695AProcess for preparing 2-chlorosulfinylazetidinonesLILLY CO ELI·Filed 1979·Granted Sep 15, 1981·15 cites·16 claims
- 0885US5371210AStereoselective fusion glycosylation process for preparing 2'-deoxy-2',2'-difluoronucleosides and 2'-deoxy-2'-fluoronucleosidesLILLY CO ELI·Filed 1992·Granted Dec 6, 1994·67 cites·27 claims
- 0985US5256798AProcess for preparing alpha-anomer enriched 2-deoxy-2,2-difluoro-D-ribofuranosyl sulfonatesLILLY CO ELI·Filed 1992·Granted Oct 26, 1993·60 cites·22 claims
- 1084US5821357AStereoselective glycosylation process for preparing 2'-deoxy-2',2'-difluoropurine and triazole nucleosidesLILLY CO ELI·Filed 1993·Granted Oct 13, 1998·61 cites·9 claims
- 1183US5453499AProcess for preparing alpha-anomer enriched 1-halo-2-deoxy-2,2-difluoro-D-ribofuranosyl derivativesFiled 1993·Granted Sep 26, 1995·54 cites·17 claims
- 1280US5594124AStereoselective glycosylation process for preparing 2'-Deoxy-2',2'-difluoropyrimidine nucleosides and 2'-deoxy-2'-fluoropyrimidine nucleosides and intermediates thereofLILLY CO ELI·Filed 1993·Granted Jan 14, 1997·40 cites·23 claims
- 1380US4075203AProcess for preparing a 3-exomethylenecepham sulfoxide from penicillin sulfoxidesLILLY CO ELI·Filed 1976·Granted Feb 21, 1978·10 cites·19 claims
- 1479US4190724AProcess for 3-exomethylenecepham sulfoxidesLILLY CO ELI·Filed 1978·Granted Feb 26, 1980·9 cites·10 claims
- 1578US5434254AProcess for preparing 2',2'-difluoronucleosidesLILLY CO ELI·Filed 1993·Granted Jul 18, 1995·36 cites·4 claims
- 1673US3944545AProcess for preparing desacetoxycephalosporinsLILLY CO ELI·Filed 1973·Granted Mar 16, 1976·8 cites·11 claims
- 1772US5744597AStereoselective anion glycosylation process for preparing 2'-deoxy-2',2'-difluoronucleosides and 2'-deoxy-2'-fluoronucleosidesLILLY CO ELI·Filed 1995·Granted Apr 28, 1998·34 cites·14 claims
- 1871US4525587AProcess for preparing a cephalosporin compoundLILLY CO ELI·Filed 1984·Granted Jun 25, 1985·7 cites·3 claims
- 1970US5256797AProcess for separating 2-deoxy-2,2-difluoro-D-ribofuranosyl alkylsulfonate anomersLILLY CO ELI·Filed 1992·Granted Oct 26, 1993·30 cites·11 claims
- 2068US4230620AProcess for preparing penicillin sulfoxidesLILLY CO ELI·Filed 1979·Granted Oct 28, 1980·5 cites·12 claims
- 2167US4115644AProcess for preparing pure cefamandole from alkali metal and ammonium salts thereofLILLY CO ELI·Filed 1977·Granted Sep 19, 1978·6 cites·7 claims
- 2263US5648473A2'-deoxy-2', 2'-difluoropyrimidine nucleosides and 2'-deoxy-2'-fluoropyrimidine nucleosides and intermediatesLILLY CO ELI·Filed 1995·Granted Jul 15, 1997·13 cites·9 claims
- 2363US4159272AProcess for 2-chlorosulfinylazetidin-4-onesLILLY CO ELI·Filed 1977·Granted Jun 26, 1979·4 cites·11 claims
- 2462US4165316AProcess for preparing sulfinyl chlorides from penicillin sulfoxidesLILLY CO ELI·Filed 1977·Granted Aug 21, 1979·4 cites·18 claims
- 2560US4537959ACrystalline cephalosporin antibiotic saltLILLY CO ELI·Filed 1984·Granted Aug 27, 1985·7 cites·1 claims
- 2659US5252756AProcess for preparing beta-anomer enriched 2-deoxy-2,2-difluoro-D-ribofuranosyl-arylsulfonatesLILLY CO ELI·Filed 1992·Granted Oct 12, 1993·10 cites·11 claims
- 2758US4212977AProcess for preparing N-chloroimidesLILLY CO ELI·Filed 1978·Granted Jul 15, 1980·3 cites·4 claims
- 2851US4303591ARemoval of stannic chlorideLILLY CO ELI·Filed 1980·Granted Dec 1, 1981·3 cites·6 claims
- 2942US4031082AProcess for preparing 3-acycloxymethyl-2-cephem compoundsLILLY CO ELI·Filed 1976·Granted Jun 21, 1977·1 cites·13 claims
- 3041US4665168ACephalosporin intermediateLILLY CO ELI·Filed 1986·Granted May 12, 1987·1 cites·8 claims
- 3140US4616080ASimplified process of forming crystalline ceftazidime pentahydrateLILLY CO ELI·Filed 1984·Granted Oct 7, 1986·6 cites·6 claims
- 3240US4159267ANovel silyl ester azetidine-2-sulfenate intermediates and process for preparing desacetoxycephalosporinsLILLY CO ELI·Filed 1977·Granted Jun 26, 1979·1 cites·24 claims
- 3335US4082766AProcess for preparing n-chlorophthalimideLILLY CO ELI·Filed 1976·Granted Apr 4, 1978·1 cites·9 claims
- 3433US4175082AProcess for preparing n-chloroimidesLILLY CO ELI·Filed 1977·Granted Nov 20, 1979·0 cites·15 claims
Join the waitlist — get patent alerts
Get an alert when Ta-Sen Chou files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →