Erhard Luhmann

Person

Leverkusen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Radiation-curable whipped foams
- Patent number 9,321,893
- Issue date Apr 26, 2016
- Covestro Deutschland AG
- Stefan Sommer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Radiation-curing coating compositions
- Patent number 6,960,639
- Issue date Nov 1, 2005
- Bayer Aktiengesellschaft
- Jan Weikard
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyurethane dispersions based on fatty acid dialkanolamides
- Patent number 6,710,120
- Issue date Mar 23, 2004
- Bayer Aktiengesellschaft
- Rolf Gertzmann
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aqueous 2-component PU systems
- Patent number 6,583,215
- Issue date Jun 24, 2003
- Bayer Aktiengesellschaft
- Joachim Probst
- B44 - DECORATIVE ARTS
Information Patent Grant
Polyurethane dispersions
- Patent number 6,541,536
- Issue date Apr 1, 2003
- Bayer Aktiengesellschaft
- Jan Weikard
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aqueous polyurethane emulsions
- Patent number 6,521,702
- Issue date Feb 18, 2003
- Bayer Aktiengesellschaft
- Jan Weikard
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Binder compositions and their use in aqueous coating and adhesive c...
- Patent number 6,420,478
- Issue date Jul 16, 2002
- Bayer Aktiengesellschaft
- Christoph Irle
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Bonding agent preparations for paints, the production and use thereof
- Patent number 6,274,653
- Issue date Aug 14, 2001
- Wolff Walsrode AG
- Reinhold Hecht
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyurethane-polyacrylate hybrid dispersions containing allophanate...
- Patent number 6,197,874
- Issue date Mar 6, 2001
- Bayer Aktiengesellschaft
- Christoph Irle
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Lacquer vehicles in granular form and free from emulsifying agents,...
- Patent number 5,711,793
- Issue date Jan 27, 1998
- Wolff Walsrode AG
- Wolfgang Dannhorn
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Radiation-curable, aqueous dispersions, production and use thereof
- Patent number 5,684,081
- Issue date Nov 4, 1997
- Wolff Walsrode AG
- Wolfgang Dannhorn
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aqueous reactive microgel dispersions, a method of preparing them a...
- Patent number 5,565,504
- Issue date Oct 15, 1996
- Wolff Walsrode Aktiengesellschaft
- Wolfgang Dannhorn
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymer dispersion
- Patent number 5,539,018
- Issue date Jul 23, 1996
- Wolff Walsrode Aktiengesellschaft
- Erhard L uhmann
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymerizable, highly crosslinking lacquer binders and their use fo...
- Patent number 5,510,453
- Issue date Apr 23, 1996
- Wolff Walsrode Aktiengesellschaft
- Burkhard Kressdorf
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Free-flowing, quick-dissolving lacquer binder granules
- Patent number 5,484,826
- Issue date Jan 16, 1996
- Wolff Walsrode Aktiengesellschaft
- Burkhard Kressdorf
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Reactive water-emulsifiable binders and their use for the productio...
- Patent number 5,459,196
- Issue date Oct 17, 1995
- Wolff Walsrode Aktiengesellschaft
- Burkhard Kressdorf
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Coating composition and its use
- Patent number 5,362,313
- Issue date Nov 8, 1994
- Wolff Walsrode AG
- Lutz Hoppe
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Coating system for materials which swell in water
- Patent number 5,352,730
- Issue date Oct 4, 1994
- Wolff Walstrode AG
- Erhard Luhmann
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Binders containing ethylenically unsaturated groups and their use f...
- Patent number 5,274,067
- Issue date Dec 28, 1993
- Wolff Walsrode AG
- Burkhard Kressdorf
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Water-soluble polymerizable polyesters
- Patent number 5,102,976
- Issue date Apr 7, 1992
- Wolff Walsrode AG
- Burkhard Kressdorf
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Water-dispersible allyl urethanes and their use for the production...
- Patent number 5,089,586
- Issue date Feb 18, 1992
- Wolff Walsrode Aktiengesellschaft
- Michael Piepho
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Cellulose ester/polymer combinations, and their preparation and use
- Patent number 5,011,874
- Issue date Apr 30, 1991
- Wolff Walsrode Aktiengesellschaft
- Lutz Hoppe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aqueous cellulose ester dispersions and their preparation
- Patent number 4,970,247
- Issue date Nov 13, 1990
- Wolff Walsrode Aktiengesellschaft
- Lutz Hoppe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymerizable water soluble binders
- Patent number 4,933,428
- Issue date Jun 12, 1990
- Wolff Walsrode AG
- Michael Piepho
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aqueous dispersions based on cellulose nitrates, a process for thei...
- Patent number 4,772,329
- Issue date Sep 20, 1988
- Bayer Aktiengesellschaft
- Erhard Luhmann
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Tile adhesive based on water-dilutable, cellulose-containing pastes
- Patent number 4,764,548
- Issue date Aug 16, 1988
- Wolff Walsrode Aktiengesellschaft
- Lutz Hoppe
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Viscous cellulose-containing mixture (paste) and use thereof in the...
- Patent number 4,731,121
- Issue date Mar 15, 1988
- Wolff Walsrode Aktiengesellschaft
- Erhard Luhmann
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Nitrocellulose moistened with tertiary alcohols and the use thereof...
- Patent number 4,659,387
- Issue date Apr 21, 1987
- Wolff Walsrode AG
- Erhard Luhmann
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Processes for the production of free-flowing nitrocellulose
- Patent number 4,590,019
- Issue date May 20, 1986
- Wolff Walsrode Aktiengesellschaft
- Erhard Luhmann
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Viscous cellulose-containing mixture (paste) and a process for the...
- Patent number 4,517,324
- Issue date May 14, 1985
- Bayer Aktiengesellschaft
- Erhard Luhmann
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
RADIATION-CURABLE WHIPPED FOAMS
- Publication number 20120329895
- Publication date Dec 27, 2012
- Bayer Intellectual Property GmbH
- Stefan Sommer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
N-methylpyrrolidone-free polyurethane dispersions based on dimethyl...
- Publication number 20060240264
- Publication date Oct 26, 2006
- Bayer MaterialScience AG
- Rolf Gertzmann
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Glass fiber reinforced plastics
- Publication number 20040195731
- Publication date Oct 7, 2004
- Thorsten Rische
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Radiation-curing coating compositions
- Publication number 20040006152
- Publication date Jan 8, 2004
- Jan Weikard
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Polyurethane dispersions based on fatty acid dialkanolamides
- Publication number 20030191273
- Publication date Oct 9, 2003
- Rolf Gertzmann
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Aqueous 2-component PU systems
- Publication number 20020143101
- Publication date Oct 3, 2002
- Joachim Probst
- B44 - DECORATIVE ARTS
Information Patent Application
Polyurethane dispersions
- Publication number 20010038918
- Publication date Nov 8, 2001
- Jan Weikard
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Erhard Luhmann

Person

Patents Grantslast 30 patents

Radiation-curable whipped foams

Radiation-curing coating compositions

Polyurethane dispersions based on fatty acid dialkanolamides

Aqueous 2-component PU systems

Polyurethane dispersions

Aqueous polyurethane emulsions

Binder compositions and their use in aqueous coating and adhesive c...

Bonding agent preparations for paints, the production and use thereof

Polyurethane-polyacrylate hybrid dispersions containing allophanate...

Lacquer vehicles in granular form and free from emulsifying agents,...

Radiation-curable, aqueous dispersions, production and use thereof

Aqueous reactive microgel dispersions, a method of preparing them a...

Polymer dispersion

Polymerizable, highly crosslinking lacquer binders and their use fo...

Free-flowing, quick-dissolving lacquer binder granules

Reactive water-emulsifiable binders and their use for the productio...

Coating composition and its use

Coating system for materials which swell in water

Binders containing ethylenically unsaturated groups and their use f...

Water-soluble polymerizable polyesters

Water-dispersible allyl urethanes and their use for the production...

Cellulose ester/polymer combinations, and their preparation and use

Aqueous cellulose ester dispersions and their preparation

Polymerizable water soluble binders

Aqueous dispersions based on cellulose nitrates, a process for thei...

Tile adhesive based on water-dilutable, cellulose-containing pastes

Viscous cellulose-containing mixture (paste) and use thereof in the...

Nitrocellulose moistened with tertiary alcohols and the use thereof...

Processes for the production of free-flowing nitrocellulose

Viscous cellulose-containing mixture (paste) and a process for the...

Patents Applicationslast 30 patents

RADIATION-CURABLE WHIPPED FOAMS

N-methylpyrrolidone-free polyurethane dispersions based on dimethyl...

Glass fiber reinforced plastics

Radiation-curing coating compositions

Polyurethane dispersions based on fatty acid dialkanolamides

Aqueous 2-component PU systems

Polyurethane dispersions