Inventor
Stephen Lachhein
Inventor
Hofheim, DE
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Dprimary
C07DHeterocyclic compounds69%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium19%
C07CAcyclic or carbocyclic compounds13%
PatentTitleYear
6,365,739'Process for the preparation of 4,6-disubstituted 2-isocyanatopyrimidines and their use as intermediates for active compound syntheses'20025,414,084'Process for the preparation of sulfonylureas'19955,294,741'Continuous process for the preparation of sulfonylisocyanates'19945,208,337'Process for the preparation of aminopyrimidines'19935,166,385'Process for the preparation of phosphino compounds'19925,159,086'Process for the preparation of pyrazolecarboxylic acid derivatives'19925,157,121'Process for the preparation of N-alkylsulfonylaminosulfonylureas'19925,155,222'Process for the preparation of N-alkylsulfonylaminosulfonylureas'19925,124,470'Process for the preparation of arylalkylmethylsilanes'19925,070,201'Process for the preparation of aminopyrimidines'19915,013,444'Process for separating off enol ethers from reaction mixtures containing alcohols'19914,960,887'Process for the preparation of pyrimidines'19904,831,138'Process for the preparation of aminopyrimidines'19894,824,949'Process for the preparation of pyrimidines'19894,792,610'Process for the preparation of 5-phenylsulfinyl-1H-2-(methoxycarbonylamino)-benzimidazole'19884,599,207'Process for the preparation of phosphorus-containing cyanohydrin derivatives'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–1995Patents assigned to HOECHST AG (15)· patent assignee history
1986Based in Morfelden-Walldorf, DE· patent location history
1988–1995Based in Hofheim, DE· patent location history
2002Patents assigned to HOECHST SCHERING AGREVO GMBH (1)· patent assignee history
2002Based in Hofheim-Wallau, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HOECHST AG | 15 | 1986–1995 |
| HOECHST SCHERING AGREVO GMBH | 1 | 2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hofheim, DE | 14 | 1988–1995 |
| Hofheim-Wallau, DE | 1 | 2002 |
| Morfelden-Walldorf, DE | 1 | 1986 |