Inventor · disambiguated record
Chou-Hong Tann
Also filed as: TANN CHOU-HONG
14 granted patents·2 pending applications·642 citations·filing 1986–2003
94Inventor score
Files withSCHERING CORP15
Top patents by PatentIndex Score
16 records- 0197US6207822B1Process for the synthesis of azetidinonesSCHERING CORP·Filed 1999·Granted Mar 27, 2001·163 cites·17 claims
- 0295US5306817AProcess for the stereospecific synthesis of azetidinonesSCHERING CORP·Filed 1992·Granted Apr 26, 1994·92 cites·7 claims
- 0394US6093812AProcess for the stereospecific synthesis of azetidinonesSCHERING CORP·Filed 1994·Granted Jul 25, 2000·61 cites·8 claims
- 0491US6627757B2Enantioselective synthesis of azetidinone intermediate compoundsSCHERING CORP·Filed 2002·Granted Sep 30, 2003·62 cites·20 claims
- 0591US5728827AProcess for the synthesis of azetidinonesSCHERING CORP·Filed 1994·Granted Mar 17, 1998·59 cites·12 claims
- 0691US5561227AProcess for the stereospecific synthesis of azetidinonesSCHERING CORP·Filed 1994·Granted Oct 1, 1996·58 cites·7 claims
- 0787US5616742AProcess for preparing Δ9,11 and 21-chloro corticosteroidsSCHERING CORP·Filed 1995·Granted Apr 1, 1997·47 cites·10 claims
- 0881US5886200AProcess for the preparation of 17-esters of 9 α, 21-dihalo-pregnane-11 β, 17 α-diol-20-onesSCHERING CORP·Filed 1997·Granted Mar 23, 1999·43 cites·23 claims
- 0978US5502222AProcess for preparing delta 9,11 and 21-chloro corticosteroidsSCHERING CORP·Filed 1994·Granted Mar 26, 1996·22 cites·5 claims
- 1071US5750745AProcess for preparing delta 9, 11 and 21-chlorocorticosteroidsSCHERING CORP·Filed 1995·Granted May 12, 1998·18 cites·2 claims
- 1160US5442047AProcess for preparing isepamicinSCHERING CORP·Filed 1993·Granted Aug 15, 1995·10 cites·6 claims
- 1248US4831123AProcess for preparing netilmicinSCHERING CORP·Filed 1986·Granted May 16, 1989·6 cites·31 claims
- 1340US2003204096A1Enantioselective synthesis of azetidinone intermediate compoundsSCHERING CORP·Filed 2003·Application pending·0 cites
- 1436US5283359AProcess for preparing albuterol, acetal, hemi-acetal, and hydrates of arylglyoxal intermediates thereofSCHERING CORP·Filed 1991·Granted Feb 1, 1994·1 cites·14 claims
- 1533US2002049350A1Process for preparing thrombin receptor antagonist building blocksFiled 2001·Application pending·0 cites
- 1632US5539121A2-formylmercaptobenzothiazoleSCHERING CORP·Filed 1995·Granted Jul 23, 1996·0 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Chou-Hong Tann 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 →