Inventor
Peter Koch
Inventor
Frankfurt am Main, DE
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds60%
C07DHeterocyclic compounds27%
A61KPreparations for medical, dental or toiletry purposes7%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations7%
PatentTitleYear
7,732,559'Method of making halophthalic acids and halophthalic anhydrides'20107,541,489'Method of making halophthalic acids and halophthalic anhydrides'20096,657,068'Liquid phase oxidation of halogenated ortho-xylenes'20036,657,067'Method for the manufacture of chlorophthalic anhydride'20036,649,773'Method for the manufacture of halophthalic acids and anhydrides'20036,392,051'Process for preparing 4-(4-carboxyphenyl)pyridine'20025,886,218'Process for preparing 4, 5-dichloro-2-methylbenzoic acid'19995,767,292'Processes for preparing 1-methoxy-2-propyl 3-(7-diethylamino-2-oxo-2H-chromen-3-yl)-3-oxopropionate'19985,705,674'Process for preparing ortho-nitrobenzonitriles'19985,414,128'Process for the preparation of N-substituted nitro-p-phenylenediamines'19955,393,894'Process for the preparation of N-ethylcarbazole'19955,387,716'N4-substituted 1-alkoxy-2-acylamino-4-aminobenzenes, process for their preparation and their use'19955,244,671'Derivatives of porphycene for photodynamic therapy of cancer'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–2010Based in Frankfurt am Main, DE· patent location history
1995Patents assigned to CASSELLA FARBWERKE MAINKUR AG (2)· patent assignee history
1995Patents assigned to CASSELLA AG (1)· patent assignee history
1995–1999Based in Obertshausen, DE· patent location history
1998–1999Patents assigned to HOECHST AG (3)· patent assignee history
2003Patents assigned to GEN ELECTRIC (3)· patent assignee history
2009–2010Patents assigned to SABIC INNOVATIVE PLASTICS IP (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN ELECTRIC | 3 | 2003 |
| HOECHST AG | 3 | 1998–1999 |
| CASSELLA FARBWERKE MAINKUR AG | 2 | 1995 |
| SABIC INNOVATIVE PLASTICS IP | 2 | 2009–2010 |
| CASSELLA AG | 1 | 1995 |
Locations
| Location | Patents | Span |
|---|---|---|
| Frankfurt am Main, DE | 7 | 1993–2010 |
| Obertshausen, DE | 6 | 1995–1999 |