Inventor

Wilhelm Keim

Inventor
Aachen, DE

Overview

17→
Patents
1993–2007
Patent span
Chemistry
Primary field (CPC C)

Patents· 17 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C07Cprimary
C07CAcyclic or carbocyclic compounds32%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium21%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry18%
C07BGeneral methods of organic chemistry15%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds9%
C07DHeterocyclic compounds3%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds3%
PatentTitleYear
7,304,200'Method for separation of substances by extraction or by washing them with ionic liquids'20076,900,313'Chiral ionic liquids'20056,559,326'Substituted phosphinophenoxide-metal complexes for the polymerization of olefins'20036,310,259'Method for producing 6,10 and 6,9-dimethyl-5,10-undecadienyl-2-ones'20016,180,831'Method of producing .beta.-hydroxyaldehydes'20016,160,168'Triphenylphosphine mono and dimethoxy tri-sodium sulphonates'20006,153,780'Process for the preparation of octa-2,7-dienyl-1-amine from butadiene and ammonia in the presence of palladium complex catalyst'20006,147,238'Process for the preparation of octa-2,7-dienyl-1-amine from butadiene and ammonia in the presence of palladium complex catalyst'20006,084,113'Complexes containing tris-(hydroxyalkyl)-phosphines as ligands for telomerizations, as catalysts and new complexes containing tris-(hydroxyalkyl)-phosphines'20006,051,738'Process for the preparation of octa-2,7-dienyl-1-amine from butadiene and ammonia in the presence of palladium complex catalyst'20005,834,611'Complexes containing tris-(hydroxyalkyl)-phosphines as ligands for telomerizations, as catalysts and new complexes containing tris-(hydroxyalkyl)-phosphines'19985,808,121'Catalyst compositions and process of making polyketones therewith'19985,756,846'Process for the preparation of primary octadienylamines'19985,525,566'Palladium phosphine ligand catalyst'19965,510,518'Process for the hydrosulfination of olefins'19965,286,695'Oligomerization catalyst for .alpha.-olefins and process for oligomerizing .alpha.-olefins'19945,214,126'Polymerization of CO/olefin with nickel compound mercapto carboxylic acid reaction product catalyst'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993Patents assigned to BRITISH PETROLEUM CO PLC (1)· patent assignee history
1993–2007Based in Aachen, DE· patent location history
1996–1998Patents assigned to BP CHEM INT LTD (2)· patent assignee history
1998–2000Patents assigned to BAYER AG (7)· patent assignee history
2001Patents assigned to DEGUSSA (2)· patent assignee history
2003Patents assigned to BASF AG (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BAYER AG71998–2000
BP CHEM INT LTD21996–1998
DEGUSSA22001
BASF AG12003
BRITISH PETROLEUM CO PLC11993
Locations
LocationPatentsSpan
Aachen, DE171993–2007