Inventor
Helmut Nahm
Inventor
Kelkheim, DE
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds57%
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons29%
C07DHeterocyclic compounds14%
PatentTitleYear
4,391,995'4-Phenoxy-phenoxy-alkane-carboxylic acid derivatives and process for their manufacture'19834,301,295'4-Phenoxy-phenoxy-alkane-carboxylic acid derivatives and process for their manufacture'19814,238,626'4-Phenoxy-phenoxy-alkane-carboxylic acid derivatives and process for their manufacture'19803,954,442'Herbicidal compositions'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1983Patents assigned to HOECHST AG (4)· patent assignee history
1976–1983Based in Kelkheim, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HOECHST AG | 4 | 1976–1983 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kelkheim, DE | 4 | 1976–1983 |