Inventor
Gunther Semler
Inventor
Kelkheim, DE
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds70%
C07DHeterocyclic compounds30%
PatentTitleYear
5,557,005'Process for preparing 3-chloroanthranilic alkyl esters of high purity from 3-chloroanthranilic acid'19965,349,104'Stabilized aminobenzotrifluorides'19945,241,120'Process for the preparation of alkyl 3-chlorophenyl sulfones'19935,003,079'Process for the preparation of benzimidazolones'19914,770,820'Process for the preparation of carbamoyl chlorides derived from secondary amines'19884,340,746'Process for the preparation of thiochloroformates'19824,085,129'Process for the preparation of chloroformic acid aryl esters and cyclic carbonates'19783,962,326'Process for the manufacture of carboxylic acid chlorides'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1996Patents assigned to HOECHST AG (8)· patent assignee history
1976–1996Based in Kelkheim, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HOECHST AG | 8 | 1976–1996 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kelkheim, DE | 8 | 1976–1996 |