Inventor
Kai Rossen
Inventor
Westfield, NJ, US
Overview
Patents· 44 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Dprimary
C07DHeterocyclic compounds45%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations18%
C07CAcyclic or carbocyclic compounds17%
C07BGeneral methods of organic chemistry5%
A61KPreparations for medical, dental or toiletry purposes3%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium3%
Y02PClimate change mitigation technologies in the production or processing of goods2%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry1%
C07HSugars1%
C07KPeptides1%
PatentTitleYear
10,696,633Process for the preparation of fexofenadine and of intermediates used therein202010,336,698Process for the production of 2-[4-(cyclopropanecarbonyl)phenyl]-2-methyl-propanenitrile201910,112,973Process for the preparation of ramipril20189,156,815'Salt of (R)-3-(6-amino-pyridin-3-yl)-2-(1-Cyclohexyl-1H-imidazol-4-yl) ethyl propionate'20158,865,906'Process for the preparation of a compound useful as an inhibitor of TAFIa'20148,716,481'Process for the preparation of 6-substituted-1-(2H)-isoquinolinones'20148,674,121'Process for the production of benzofurans'20148,658,808'Process for the production of dronedarone intermediates'20148,618,310'Process for preparing n-protected 4-ketoproline derivatives'20138,334,392'Process for the production of artemisinin intermediates'20127,824,899'Preparation of enantiomerically enriched amines and amides by enzymatic resolution using a sulfonylacetic acid ester as acyl donor'20107,531,697'Process for the preparation of aromatic aldehydes'20097,427,691'Resolution of p-hydroxyphenyl-2-alkoxypropionic acids'20087,045,640'Method of producing 5-formyl-2-furylboronic acid'20066,555,677'Phase transfer catalyzed glycosidation of an indolocarbazole'20036,538,134'4-Benzyl-2-hydroxy-1,4-oxazine-3-one and polymorphic forms thereof'20036,512,127'Process for the preparation of hydroxylactones'20036,403,793'Intramolecular glycosidation process for the synthesis of (2R, 2-alpha-R, 3a)-2-1-(3,5- bis (trifluoromethyl) phenyl)ethoxy-3-(4-fluorophenyl)-1,4-oxazine'20026,395,894'Process for the synthesis of carbapenem intermidiates, and compounds produced'20026,369,275'Process for making diaryl pyridines useful as cox-2 inhibitors'20026,252,116'Intermediates useful in a process for synthesizing COX-2 inhibitors'20016,204,387'Process for making diaryl pyridines useful as COX-2 inhibitors'20016,156,895'Process for preparing 4-tert-butyloxycarbonyl-(S)-piperazine-2-tert-butylcarboxamide'20006,153,787'Intermediates for making heterocycles useful as COX-2 inhibitors'20006,130,334'Process for making 2-aryl-3-aryl-5-halo pyridines useful as COX-2 inhibitors'20006,127,545'Process for making 2-aryl-3-aryl-5-halo pyridines useful as COX-2 inhibitors'20006,043,387'Chiral bisphosphines'20006,040,319'Process for synthesizing COX-2 inhibitors'20006,040,450'Process for making diaryl pyridines useful as cox-2-inhibitors'20005,981,759'Process for indinavir intermediate'19995,977,364'Process for preparing 4-tert-butyloxycarbonyl-(S)-piperazine-2-tert-butylcarboxamide'19995,883,267'Process for making phenyl heterocycles useful as cox-2 inhibitors'19995,874,629'Chiral bisphosphines'19995,861,512'Process for making HIV protese inhibitors'19995,728,840'Process for making an epoxide'19985,723,615'Process for preparing 4-tert-butyloxycarbonyl-(S)-piperazine-2-tert-butylcarboxamide'19985,700,364'Electrochemical oxidation'19975,693,803'Process for making HIV protease inhibitors'19975,663,341'Process for making HIV protease inhibitors'19975,637,711'Process for making HIV protease inhibitors'19975,618,939'Process for making HIV protease inhibitors'19975,612,484'Process for making HIV protease inhibitors'19975,300,643'Quinolonecarboxylic acid derivatives'19945,217,972'Quinolonecarboxylic acid derivatives and their use as antiviral agents'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–1994Based in Leverkusen, DE· patent location history
1997–2003Patents assigned to MERCK & CO INC (26)· patent assignee history
1997–2002Based in Westfield, NJ, US· patent location history
2002–2003Based in Degussa Huls, DE· patent location history
2003–2009Patents assigned to DEGUSSA (4)· patent assignee history
2003–2013Based in Hanau, DE· patent location history
2012–2014Patents assigned to ROSSEN KAI (6)· patent assignee history
2012–2015Patents assigned to SANOFI SA (6)· patent assignee history
2012–2014Patents assigned to KRAFT VOLKER (5)· patent assignee history
2012–2020Based in Frankfurt am Main, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MERCK & CO INC | 26 | 1997–2003 |
| ROSSEN KAIself | 6 | 2012–2014 |
| SANOFI SA | 6 | 2012–2015 |
| KRAFT VOLKER | 5 | 2012–2014 |
| DEGUSSA | 4 | 2003–2009 |
Locations
| Location | Patents | Span |
|---|---|---|
| Westfield, New Jersey, US | 23 | 1997–2002 |
| Frankfurt am Main, DE | 9 | 2012–2020 |
| Hanau, DE | 7 | 2003–2013 |
| Degussa Huls, DE | 2 | 2002–2003 |
| Leverkusen, DE | 2 | 1993–1994 |