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Gunter Kolb
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Leverkusen, DE
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last 30 patents
Information
Patent Grant
Formulations and their use for pigmenting and/or delustring dressin...
Patent number
4,510,302
Issue date
Apr 9, 1985
Bayer Aktiengesellschaft
Gunter Kolb
C14 - SKINS HIDES PELTS LEATHER
Information
Patent Grant
Low-foam surface sizing agents for paper which contain copolymeric...
Patent number
4,481,319
Issue date
Nov 6, 1984
Bayer Aktiengesellschaft
Gunter Sackmann
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for coating substrates with polyisocyanates and polyhydroxy...
Patent number
4,442,145
Issue date
Apr 10, 1984
Bayer Aktiengesellschaft
Joachim Probst
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyquaternary ammonium compounds, their preparation, their use in...
Patent number
4,423,194
Issue date
Dec 27, 1983
Bayer Aktiengesellschaft
Wilfried Lobach
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Cationic sizing agents for paper
Patent number
4,418,175
Issue date
Nov 29, 1983
Bayer Aktiengesellschaft
Joachim Probst
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Polyamines containing urea groups prepared from lactam or aminocarb...
Patent number
4,384,110
Issue date
May 17, 1983
Bayer Aktiengesellschaft
Wilfried Lobach
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Aqueous dispersions based on (meth)acrylic acid alkyl ester polymer...
Patent number
4,384,056
Issue date
May 17, 1983
Bayer Aktiengesellschaft
Adolf Schmidt
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyamines containing urea groups
Patent number
4,348,514
Issue date
Sep 7, 1982
Bayer Aktiengesellschaft
Wilfried Lobach
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Low molecular weight acrylate resins containing hydroxyl and tertia...
Patent number
4,293,661
Issue date
Oct 6, 1981
Bayer Aktiengesellschaft
Joachim Probst
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the production of matting layers
Patent number
4,287,299
Issue date
Sep 1, 1981
AGFA-Gevaert A.G.
Wolfgang Himmelmann
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method of preventing the formation of contact spots on photographic...
Patent number
4,248,963
Issue date
Feb 3, 1981
AGFA-Gevaert, A.G.
Gunter Kolb
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Pigment preparations
Patent number
4,230,812
Issue date
Oct 28, 1980
Bayer Aktiengesellschaft
Leo Tork
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Difunctional polymers with terminal hydrazide groups
Patent number
4,172,188
Issue date
Oct 23, 1979
Bayer Aktiengesellschaft
Gerhard Balle
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Chlorination of polyolefins in the presence of complex formers
Patent number
4,165,431
Issue date
Aug 21, 1979
Bayer Aktiengesellschaft
Franz Alfes
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Paper-sizing agents
Patent number
4,152,312
Issue date
May 1, 1979
Bayer Aktiengesellschaft
Gunter Sackmann
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for the production of a substantially equimolecular copolym...
Patent number
4,151,336
Issue date
Apr 24, 1979
Bayer Aktiengesellschaft
Gunter Sackmann
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Emulsions of resinic acid isocyanates as sizing agents for paper
Patent number
4,113,506
Issue date
Sep 12, 1978
Bayer Aktiengesellschaft
Gunter Sackmann
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE