Karlfried Wedemeyer

Person

Cologne, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Diaminoarylsulfones useful for the preparation of polyurethane elas...
- Patent number 4,975,516
- Issue date Dec 4, 1990
- Bayer Aktiengesellschaft
- Klaus-Peter Heise
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for nucleus-chlorination of aromatic hydrocarbons
- Patent number 4,851,596
- Issue date Jul 25, 1989
- Bayer Aktiengesellschaft
- Franz-Josef Mais
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing 1,2-dichlorobenzene
- Patent number 4,827,057
- Issue date May 2, 1989
- Bayer Aktiengesellschaft
- Josef Kasbauer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of N,N-diaryl-ureas
- Patent number 4,820,871
- Issue date Apr 11, 1989
- Bayer Aktiengesellschaft
- Wolfram Kissener
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 4-nitrophenetol
- Patent number 4,782,190
- Issue date Nov 1, 1988
- Bayer Aktiengesellschaft
- Josef Kasbauer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Impregnating agents and the use thereof
- Patent number 4,772,428
- Issue date Sep 20, 1988
- Bayer Aktiengesellschaft
- Rudolf Kron
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process for preparing 3,5-dichloro-.alpha.-methylstyrene
- Patent number 4,760,209
- Issue date Jul 26, 1988
- Bayer Aktiengesellschaft
- Heinz U. Blank
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of thiocyanatomethylthiobenzothiazoles
- Patent number 4,755,609
- Issue date Jul 5, 1988
- Bayer Aktiengesellschaft
- Gerold Schade
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 5-fluorotoluene-2,4-disulphochloride
- Patent number 4,740,333
- Issue date Apr 26, 1988
- Bayer Aktiengesellschaft
- Herbert Diehl
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Thermotropic aromatic polyester from 3,3'-diphenyl-4,4'-dihydroxy b...
- Patent number 4,701,515
- Issue date Oct 20, 1987
- Bayer Aktiengesellschaft
- Hans-Rudolf Dicke
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation of 2,4-dichloro-3-alkyl-6-nitrophenols
- Patent number 4,670,608
- Issue date Jun 2, 1987
- Bayer Aktiengesellschaft
- Christian Paetz
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of substituted styrenes
- Patent number 4,650,910
- Issue date Mar 17, 1987
- Bayer Aktiengesellschaft
- Karl-Wilhelm Henneke
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 2-amino-alkylpyridines
- Patent number 4,628,097
- Issue date Dec 9, 1986
- Bayer Aktiengesellschaft
- Helmut Le Blanc
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 2,6-xylidine
- Patent number 4,609,760
- Issue date Sep 2, 1986
- Bayer Aktiengesellschaft
- Siegfried Bohm
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of 3,5-dichloro-.alpha.-methylstyrene
- Patent number 4,594,467
- Issue date Jun 10, 1986
- Bayer Aktiengesellschaft
- Karl-Wilhelm Henneke
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Phenoxymethane derivatives for regulating plant growth
- Patent number 4,588,433
- Issue date May 13, 1986
- Bayer Aktiengesellschaft
- Hans-Georg Schmitt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3,6-Disubstituted 2-thioxo-1,3,5-thiadiazin-4-ones
- Patent number 4,568,672
- Issue date Feb 4, 1986
- Bayer Aktiengesellschaft
- Wilhelm Brandes
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Fungicidal 2-thiocyanato-benzamides
- Patent number 4,565,829
- Issue date Jan 21, 1986
- Bayer Aktiengesellschaft
- Hans-Georg Schmitt
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Process for improving the light fastness of polyamide dyeings
- Patent number 4,544,372
- Issue date Oct 1, 1985
- Bayer Aktiengesellschaft
- Klaus-Peter Heise
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Process for the preparation of alkyl-substituted anilines
- Patent number 4,496,763
- Issue date Jan 29, 1985
- Bayer Aktiengesellschaft
- Helmut Le Blanc
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the halogenation of organic compounds
- Patent number 4,489,210
- Issue date Dec 18, 1984
- Bayer Aktiengesellschaft
- Helmut Judat
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparation of anilines which are m-substituted by chlo...
- Patent number 4,460,788
- Issue date Jul 17, 1984
- Bayer Aktiengesellschaft
- Karlfried Wedemeyer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of m-halogen-substituted anilines
- Patent number 4,429,156
- Issue date Jan 31, 1984
- Bayer Aktiengesellschaft
- Karlfried Wedemeyer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of optionally p-chlorine-substituted 2,...
- Patent number 4,426,538
- Issue date Jan 17, 1984
- Bayer Aktiengesellschaft
- Klaus-Peter Heise
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Dielectric impregnating fluid and its use
- Patent number 4,410,869
- Issue date Oct 18, 1983
- Bayer Aktiengesellschaft
- Alfons Klein
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process for the preparation of 4-nitrodiphenylamines
- Patent number 4,404,400
- Issue date Sep 13, 1983
- Bayer Aktiengesellschaft
- Klaus-Peter Heise
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 4-chloro-2,6-dialkylanilines
- Patent number 4,401,833
- Issue date Aug 30, 1983
- Bayer Aktiengesellschaft
- Ulrich Schnegg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Combating fungi with N-alkyl-carbamic acid 1,1,2-trimethyl-5-substi...
- Patent number 4,378,371
- Issue date Mar 29, 1983
- Bayer Aktiengesellschaft
- Horst Peuker
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
1,1,3,3-Substituted hydroxyindanes
- Patent number 4,370,505
- Issue date Jan 25, 1983
- Bayer Aktiengesellschaft
- Alfons Klein
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 3-phenoxy-benzaldehydes
- Patent number 4,366,325
- Issue date Dec 28, 1982
- Bayer Aktiengesellschaft
- Karlfried Wedemeyer
- C07 - ORGANIC CHEMISTRY

Karlfried Wedemeyer

Person

Patents Grantslast 30 patents

Diaminoarylsulfones useful for the preparation of polyurethane elas...

Process for nucleus-chlorination of aromatic hydrocarbons

Process for preparing 1,2-dichlorobenzene

Process for the preparation of N,N-diaryl-ureas

Process for the preparation of 4-nitrophenetol

Impregnating agents and the use thereof

Process for preparing 3,5-dichloro-.alpha.-methylstyrene

Process for the preparation of thiocyanatomethylthiobenzothiazoles

Process for the preparation of 5-fluorotoluene-2,4-disulphochloride

Thermotropic aromatic polyester from 3,3'-diphenyl-4,4'-dihydroxy b...

Preparation of 2,4-dichloro-3-alkyl-6-nitrophenols

Process for the preparation of substituted styrenes

Process for the preparation of 2-amino-alkylpyridines

Process for the preparation of 2,6-xylidine

Preparation of 3,5-dichloro-.alpha.-methylstyrene

Phenoxymethane derivatives for regulating plant growth

3,6-Disubstituted 2-thioxo-1,3,5-thiadiazin-4-ones

Fungicidal 2-thiocyanato-benzamides

Process for improving the light fastness of polyamide dyeings

Process for the preparation of alkyl-substituted anilines

Process for the halogenation of organic compounds

Process for preparation of anilines which are m-substituted by chlo...

Process for the preparation of m-halogen-substituted anilines

Process for the preparation of optionally p-chlorine-substituted 2,...

Dielectric impregnating fluid and its use

Process for the preparation of 4-nitrodiphenylamines

Process for the preparation of 4-chloro-2,6-dialkylanilines

Combating fungi with N-alkyl-carbamic acid 1,1,2-trimethyl-5-substi...

1,1,3,3-Substituted hydroxyindanes

Process for the preparation of 3-phenoxy-benzaldehydes