P

Inventor

KOEHLER ULRICH

DE28 patents
⚠️ This page may combine multiple inventors who share the name “KOEHLER ULRICH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BASF AG

16 patents
US5476969ADec 19, 1995

Highly reactive polyoxyalkylene-polyols containing tertiary amino groups in bonded form, their preparation, and their use for the preparation of polyisocyanate polyaddition products

BASF AG67 citations95
US5101045AMar 31, 1992

Preparation of n-substituted pyrrolidones

BASF AG23 citations92
US5747411AMay 5, 1998

Supported catalysts which are suitable for ammonoxidation

BASF AG17 citations83
US5543515AAug 6, 1996

Preparation of tertiary amine oxides

BASF AG8 citations74
US5254738AOct 19, 1993

Preparation of 1,4-alkylenediamines

BASF AG15 citations74
US5132427AJul 21, 1992

Process for the preparation of amines

BASF AG7 citations74
US5130454AJul 14, 1992

Polytetrahydrofuran derivatives having terminal aromatic groups

BASF AG9 citations74
US5101044AMar 31, 1992

Preparation of n-substituted pyrrolidin-2-ones

BASF AG13 citations74
US5239120AAug 24, 1993

Preparation of 2-(3-aminopropyl)-cycloalkylamines

BASF AG9 citations73
US6093677AJul 25, 2000

Catalyst for dehydrogenating 1,4-butanediol to γ-butyrolactone

BASF AG7 citations72
US5955620ASep 21, 1999

Dehydrogenation of 1,4-butanediol to γ-butyrolactone

BASF AG5 citations72
US5663438ASep 2, 1997

Preparation of cyclic amines

BASF AG10 citations72
US5136051AAug 4, 1992

Preparation of 2-pyrrolidinones

BASF AG6 citations63
US5359082AOct 25, 1994

Preparation of 4-substituted imidazoles from N-formyl-α-aminonitrile

BASF AG3 citations61
US5260484ANov 9, 1993

Polytetrahydrofuran derivatives having terminal aromatic groups

BASF AG3 citations57
US5231231AJul 27, 1993

Process for preparing a poly(1,4-butanediol-ω,ω'-bismercaptan)

BASF AG0 citations52

BEIERSDORF AG

4 patents

HELLA GMBH & CO KGAA

3 patents

BASF SE

2 patents

KOEHLER ULRICH

2 patents

SARTORIUS STEDIM BIOTECH GMBH

1 patent