Helmut Keul

Person

Aachen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Silicone compounds and compositions thereof for the treatment of am...
- Patent number 10,266,656
- Issue date Apr 23, 2019
- Momentive Performance Materials GmbH
- Roland Wagner
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Textile treatment compounds and compositions
- Patent number 9,493,475
- Issue date Nov 15, 2016
- DEVAN CHEMICALS NV
- Subrata Chattopadhyay
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Reactive cyclic carbonates and ureas used for modifying biomolecule...
- Patent number 7,728,069
- Issue date Jun 1, 2010
- Henkel AG & Co. KGaA
- Helmut Keul
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Alkaline cell or battery
- Patent number 7,407,728
- Issue date Aug 5, 2008
- Carl Freudenberg KG
- Wolffried Wenneis
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Oligomeric and polymeric telechelics
- Patent number 6,800,708
- Issue date Oct 5, 2004
- Bayer Aktiengesellschaft
- Martin Melchiors
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Functionalized alkoxyamine initiators
- Patent number 6,632,895
- Issue date Oct 14, 2003
- Bayer Aktiengesellschaft
- Martin Melchiors
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Oligomeric and polymeric telechelics
- Patent number 6,573,346
- Issue date Jun 3, 2003
- Bayer Aktiengesellschaft
- Martin Melchiors
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the production of telechelic polymers, telechelic polym...
- Patent number 6,455,645
- Issue date Sep 24, 2002
- Bayer Aktiengesellschaft
- Martin Melchiors
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Block copolymers with sulfonated polyether sulfone units
- Patent number 6,451,921
- Issue date Sep 17, 2002
- Membrana GmbH
- Hilmar Weisse
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Crosslinked copolymers based on cyclic esters and carbonates
- Patent number 5,116,918
- Issue date May 26, 1992
- Bayer Aktiengesellschaft
- Hartwig Hocker
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thermoplastic block copolymers based on cyclic carbonates or esters
- Patent number 5,071,921
- Issue date Dec 10, 1991
- Bayer Aktiengesellschaft
- Herbert Eichenauer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Cellulose ester moulding materials with improved toughness
- Patent number 4,801,632
- Issue date Jan 31, 1989
- Bayer Akteingesellschaft
- Herbert Eichenauer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of linear aliphatic polycarbonate from...
- Patent number 4,754,017
- Issue date Jun 28, 1988
- Bayer Aktiengesellschaft
- Edgar Leitz
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Silicone Compounds And Compositions Thereof For The Treatment Of Am...
- Publication number 20170291994
- Publication date Oct 12, 2017
- MOMENTIVE PERFORMANCE MATERIALS GMBH
- Roland Wagner
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
TEXTILE TREATMENT COMPOUNDS AND COMPOSITIONS
- Publication number 20150218177
- Publication date Aug 6, 2015
- DEVAN CHEMICALS NV
- Subrata Chattopadhyay
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Reactive cyclic carbonates and ureas used for modifying biomolecule...
- Publication number 20070092656
- Publication date Apr 26, 2007
- Deutsches Wollforschungsinstitut an der RWTH Aachen e.V.
- Helmut Keul
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Oligomeric and polymeric telechelics
- Publication number 20030208021
- Publication date Nov 6, 2003
- Martin Melchiors
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Alkaline cell or battery
- Publication number 20030049539
- Publication date Mar 13, 2003
- Wolffried Wenneis
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PROCESS FOR THE PRODUCTION OF TELECHELIC SUBSTANCES, TELECHELIC SUB...
- Publication number 20020103320
- Publication date Aug 1, 2002
- MARTIN MELCHIORS
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Block copolymers with sulfonated polyether sulfone units
- Publication number 20010021764
- Publication date Sep 13, 2001
- Hilmar Weisse
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Helmut Keul

Person

Patents Grantslast 30 patents

Silicone compounds and compositions thereof for the treatment of am...

Textile treatment compounds and compositions

Reactive cyclic carbonates and ureas used for modifying biomolecule...

Alkaline cell or battery

Oligomeric and polymeric telechelics

Functionalized alkoxyamine initiators

Oligomeric and polymeric telechelics

Process for the production of telechelic polymers, telechelic polym...

Block copolymers with sulfonated polyether sulfone units

Crosslinked copolymers based on cyclic esters and carbonates

Thermoplastic block copolymers based on cyclic carbonates or esters

Cellulose ester moulding materials with improved toughness

Process for the preparation of linear aliphatic polycarbonate from...

Patents Applicationslast 30 patents

Silicone Compounds And Compositions Thereof For The Treatment Of Am...

TEXTILE TREATMENT COMPOUNDS AND COMPOSITIONS

Reactive cyclic carbonates and ureas used for modifying biomolecule...

Oligomeric and polymeric telechelics

Alkaline cell or battery

PROCESS FOR THE PRODUCTION OF TELECHELIC SUBSTANCES, TELECHELIC SUB...

Block copolymers with sulfonated polyether sulfone units