Inventor
Werner Pfaff
Inventor
Hofheim, DE
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Dprimary
C07DHeterocyclic compounds24%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations20%
C07CAcyclic or carbocyclic compounds16%
C07KPeptides12%
C12NMicroorganisms or enzymes12%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests12%
A61KPreparations for medical, dental or toiletry purposes4%
PatentTitleYear
8,552,222'Chemical process for the production of haloalkenone ethers'20136,124,493'Process for the preparation of o-chloromethyl-phenylglyoxylic acid derivatives'20005,756,811'Process for the preparation of o-chloromethyl-phenylglyoxylic acid derivatives'19984,339,436'.alpha.-Amylase inhibitor from a streptomycete and process for its preparation'19824,282,318'.alpha.-Amylase inhibitor from a streptomycete and process for its preparation'19814,226,764'.alpha.-Amylase inhibitor from a streptomycete and process for its preparation'19804,221,815'Benzoic acids, their derivatives and process for preparing them'19804,181,658'Certain nicotinamido-n-benzoic acid derivatives'19804,157,395'Benzenesulfonyl ureas'19794,132,795'Benzenesulfonyl ureas and their use for the treatment of diabetes mellitus'19793,998,968'Benzenesulfonyl ureas and process for their manufacture'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1982Patents assigned to HOECHST AG (8)· patent assignee history
1976–1982Based in Hofheim, DE· patent location history
1998Patents assigned to NOVARTIS AG (1)· patent assignee history
1998–2000Based in Sisseln, CH· patent location history
2000Patents assigned to NOVARTIS FINANCE CORP (1)· patent assignee history
2013Patents assigned to JACKSON DAVID ANTHONY (1)· patent assignee history
2013Patents assigned to NEGI DEVENDER SINGH (1)· patent assignee history
2013Based in Muenchwilen, CH· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HOECHST AG | 8 | 1976–1982 |
| JACKSON DAVID ANTHONY | 1 | 2013 |
| NEGI DEVENDER SINGH | 1 | 2013 |
| NOVARTIS AG | 1 | 1998 |
| NOVARTIS FINANCE CORP | 1 | 2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hofheim, DE | 8 | 1976–1982 |
| Sisseln, CH | 2 | 1998–2000 |
| Muenchwilen, CH | 1 | 2013 |