Inventor
Erich Wolters
Inventor
Koln, DE
Overview
Patents· 21 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds59%
Y02PClimate change mitigation technologies in the production or processing of goods15%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry9%
C07BGeneral methods of organic chemistry9%
C07DHeterocyclic compounds9%
PatentTitleYear
6,376,414'Method for producing catalysts containing ruthenium and the use thereof for hydrogenation'20026,355,848'Method for producing optically active alcohols'20026,310,254'Method for producing optically active amino alcohols'20016,130,350'Process for producing 2-fluorine-1-cyclopropane carboxylic acid derivatives by reductive dehalogenation'20005,681,957'Process for the preparation of substituted 2-fluoro-pyrimidines'19975,543,548'Process for the preparation of dimethyl carbonate'19965,498,744'Process for the preparation of dimethyl carbonate'19965,476,959'Process for the preparation of dialkyl carbonates'19955,414,104'Process for preparing dialkyl carbonates'19955,360,922'Process for the preparation of dialkyl carbonates'19945,319,124'Process for the preparation of dialkyl carbonates'19945,288,894'Process for the preparation of dialkyl carbonates'19945,231,213'Process for the preparation of dialkyl carbonates'19935,030,747'Process for the preparation of .mu.-amino-acrylic acid esters'19914,863,642'Process for preparing acid halides'19894,760,209'Process for preparing 3,5-dichloro-.alpha.-methylstyrene'19884,622,429'Process for the preparation of substituted benzaldehydes'19864,567,004'Process for the preparation of monomethyl-substituted methylene compounds'19864,370,499'3-Nitro-acetoacetanilides, processes for their preparation and their use'19834,359,426'Process for the production of aromatic isocyanates containing aromatically bound sulfochloride groups'19824,349,471'Process for the preparation of aromatic sulphonic acid halides'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–2002Patents assigned to BAYER AG (21)· patent assignee history
1982–1989Based in Niederzier, DE· patent location history
1988–1995Based in Cologne, DE· patent location history
1993–2001Based in Koln, DE· patent location history
1996Based in K oln, DE· patent location history
2002Based in Kln, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAYER AG | 21 | 1982–2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Koln, DE | 7 | 1993–2001 |
| Niederzier, DE | 6 | 1982–1989 |
| Cologne, DE | 5 | 1988–1995 |
| Kln, DE | 2 | 2002 |
| K oln, DE | 1 | 1996 |