Inventor
Harald Medem
Inventor
Krefeld, DE
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds33%
C08LCompositions of macromolecular compounds20%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry13%
C07CAcyclic or carbocyclic compounds13%
G02BOptical elements, systems or apparatus7%
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
4,774,221'Supported hydrogenation catalysts'19884,714,689'Process for the regeneration of catalysts for the gas-phase reduction of aromatic nitro compounds'19874,506,066'Thermoplastic polycarbonates, their preparation and their use as shaped articles and films'19854,435,544'Mixtures of polycarbonate elastomers, containing hydrogenated dimeric fatty acid esters as condensed units, and polyolefines and, optionally, other polycarbonates'19844,334,053'Process for the preparation of aromatic polyesters and the use thereof for the production of injection molded articles, films and coatings'19824,328,174'Aromatic polyester phosphonates'19824,260,695'Process for the preparation of aromatic polyesters'19814,225,698'Optical components consisting of aromatic polyesters molded in the form of an optical lens'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980–1988Patents assigned to BAYER AG (8)· patent assignee history
1980–1988Based in Krefeld, DE· patent location history
1984Based in Krefeld-Uerdingen, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAYER AG | 8 | 1980–1988 |
Locations
| Location | Patents | Span |
|---|---|---|
| Krefeld, DE | 7 | 1980–1988 |
| Krefeld-Uerdingen, DE | 1 | 1984 |