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Artur Botta
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Krefeld, DE
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last 30 patents
Information
Patent Grant
Process for preparing monomethylated or dimethylated phenols
Patent number
5,723,694
Issue date
Mar 3, 1998
Bayer Aktiengesellschaft
Artur Botta
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of N-substituted lactams
Patent number
5,338,861
Issue date
Aug 16, 1994
Bayer Aktiengesellschaft
Artur Botta
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Cold setting reaction resin mixture and use thereof
Patent number
5,084,544
Issue date
Jan 28, 1992
Bayer Aktiengesellschaft
Hanns-Peter Muller
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Use of polyaralkylamines as corrosion inhibitors
Patent number
5,059,391
Issue date
Oct 22, 1991
Bayer Aktiengesellschaft
Artur Botta
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Process for the preparation of p-chlorotoluene
Patent number
5,053,565
Issue date
Oct 1, 1991
Bayer Aktiengesellschaft
Artur Botta
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of oligophenyls dihalogenated in the 4,...
Patent number
5,053,566
Issue date
Oct 1, 1991
Bayer Aktiengesellschaft
Artur Botta
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Recording material
Patent number
5,024,987
Issue date
Jun 18, 1991
Bayer Aktiengesellschaft
Gunter Klug
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Process for the preparation of phenylketones etherified in the 4-po...
Patent number
4,960,943
Issue date
Oct 2, 1990
Bayer Aktiengesellschaft
Artur Botta
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of 4,4'-dihalobiphenyls
Patent number
4,950,817
Issue date
Aug 21, 1990
Bayer Aktiengesellschaft
Artur Botta
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polyaralkylated hydroxybenzamides, process for their preparation an...
Patent number
4,902,830
Issue date
Feb 20, 1990
Bayer Aktiengesellschaft
Thomas Scholl
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Oligobenzylated hydroxycarboxylic acid derivative
Patent number
4,879,368
Issue date
Nov 7, 1989
Bayer Aktiengesellschaft
Artur Botta
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Sulphinyl- and sulphonyl-azacycloheptan-2-ones, and their use as fe...
Patent number
4,468,392
Issue date
Aug 28, 1984
Bayer Aktiengesellschaft
Gerd Fengler
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Copolymers of cyclic carbonic acid esters and lactams and their pro...
Patent number
4,431,795
Issue date
Feb 14, 1984
Bayer Aktiengesellschaft
Heinrich Krimm
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Copolymers based on aliphatic polycarbonates and lactams
Patent number
4,377,670
Issue date
Mar 22, 1983
Bayer Aktiengesellschaft
Heinrich Krimm
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the production of polyureas
Patent number
4,328,330
Issue date
May 4, 1982
Bayer Aktiengesellschaft
Wolfgang Wellner
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Magnetic metal and alloy pigments
Patent number
4,325,739
Issue date
Apr 20, 1982
Bayer Aktiengesellschaft
Hans-Peter Biermann
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Benzimidazolyl-2-alkane-phosphonic acids
Patent number
4,278,791
Issue date
Jul 14, 1981
Bayer Aktiengesellschaft
Artur Botta
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Corrosion preventative for two-bath stabilizer baths
Patent number
4,209,583
Issue date
Jun 24, 1980
AGFA-Gevaert, A.G.
Werner Berthold
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method for protecting metal from erosion
Patent number
4,104,194
Issue date
Aug 1, 1978
Bayer Aktiengesellschaft
Artur Botta
C07 - ORGANIC CHEMISTRY