Inventor
Wolfgang Gaenzler
Inventor
Darmstadt-Arheilgen, DE
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds53%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry13%
C08JWorking-up7%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients7%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices7%
Y02PClimate change mitigation technologies in the production or processing of goods7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
PatentTitleYear
4,656,119'Method of manufacturing X-ray resist'19874,647,696'Method for making isobutyric acid'19874,576,971'Flame-retarded polyacrylamide or polymethacrylimide synthetic resin foam'19864,452,999'Method for making isobutyric acid'19844,228,102'Preparation of carboxylic acid amides'19804,147,718'Method for making methacrylic acid, its nitrile and its esters'19794,113,762'Method of making carbonic acid esters'19784,069,381'Method for preparing glycol esters'19783,960,934'Method for the oxycarbonylation of ethylene and propylene'19763,952,045'Method for preparing carbonic acid esters'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1987Patents assigned to ROEHM GMBH (10)· patent assignee history
1976–1987Based in Darmstadt-Arheilgen, DE· patent location history
1978Based in Darmstadt-Eberstadt, DE· patent location history
1987Patents assigned to MAX PLANCK GESELLSCHAFT (1)· patent assignee history
1987Based in Darmstadt, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ROEHM GMBH | 10 | 1976–1987 |
| MAX PLANCK GESELLSCHAFT | 1 | 1987 |
Locations
| Location | Patents | Span |
|---|---|---|
| Darmstadt-Arheilgen, DE | 8 | 1976–1987 |
| Darmstadt, DE | 1 | 1987 |
| Darmstadt-Eberstadt, DE | 1 | 1978 |