Karlfried Wedemeyer

Person

Cologne, DT

People

Patents Grantslast 30 patents

Information Patent Grant
Process for the production of azodicarbonamide
- Patent number 4,088,643
- Issue date May 9, 1978
- Bayer Aktiengesellschaft
- Siegfried Bohm
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing thymol
- Patent number 4,086,283
- Issue date Apr 25, 1978
- Bayer Aktiengesellschaft
- Wolfgang Biedermann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of anilines meta-substituted by chlorine
- Patent number 4,085,141
- Issue date Apr 18, 1978
- Bayer Aktiengesellschaft
- Karlfried Wedemeyer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing meta-substituted halophenols
- Patent number 4,060,562
- Issue date Nov 29, 1977
- Bayer Aktiengesellschaft
- Karlfried Wedemeyer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Color photographic material containing a hydroxyindane
- Patent number 4,052,216
- Issue date Oct 4, 1977
- AGFA-Gevaert, A.G.
- Johannes Sobel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 1,1,3,3-substituted hydroxy indanes
- Patent number 4,045,499
- Issue date Aug 30, 1977
- Bayer Aktiengesellschaft
- Alfons Klein
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of 4-nitroso-diphenylamine
- Patent number 4,034,042
- Issue date Jul 5, 1977
- Bayer Aktiengesellschaft
- Karlfried Wedemeyer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Recording materials and image receiving materials for producing cop...
- Patent number 4,013,473
- Issue date Mar 22, 1977
- Agfa-Gevaert N.V.
- Jozef Frans Willems
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing M-chlorobenzene sulphonyl chloride
- Patent number 4,012,442
- Issue date Mar 15, 1977
- Bayer Aktiengesellschaft
- Heinz-Ulrich Blank
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Water-soluble complex of cuprous chloride, hydrochloric acid and at...
- Patent number 3,993,586
- Issue date Nov 23, 1976
- Bayer Aktiengesellschaft
- Ferdinand Hagedorn
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing 4-amino-diphenylamine
- Patent number 3,978,131
- Issue date Aug 31, 1976
- Bayer Aktiengesellschaft
- Dieter Pawellek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 5-isopropyl-3-methyl-phenol
- Patent number 3,968,173
- Issue date Jul 6, 1976
- Bayer Aktiengesellschaft
- Alfons Klein
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of 1,1,3,3-substituted hydroxyindanes
- Patent number 3,954,889
- Issue date May 4, 1976
- Bayer Aktiengesellschaft
- Alfons Klein
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photographic silver halide material which contains color couplers
- Patent number 3,941,601
- Issue date Mar 2, 1976
- AGFA-Gevaert, A.G.
- Willibald Pelz
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Karlfried Wedemeyer

Person

Patents Grantslast 30 patents

Process for the production of azodicarbonamide

Process for preparing thymol

Process for the preparation of anilines meta-substituted by chlorine

Process for preparing meta-substituted halophenols

Color photographic material containing a hydroxyindane

Process for the preparation of 1,1,3,3-substituted hydroxy indanes

Process for the production of 4-nitroso-diphenylamine

Recording materials and image receiving materials for producing cop...

Process for preparing M-chlorobenzene sulphonyl chloride

Water-soluble complex of cuprous chloride, hydrochloric acid and at...

Process for preparing 4-amino-diphenylamine

Process for the preparation of 5-isopropyl-3-methyl-phenol

Process for the production of 1,1,3,3-substituted hydroxyindanes

Photographic silver halide material which contains color couplers