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Hans Weber
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Duderstadt, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Film as a dielectric in capacitors and process for its production
Patent number
7,079,372
Issue date
Jul 18, 2006
Bayer Aktiengesellschaft
Hans-Leo Weber
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Continuous adiabatic process for nitrating chlorobenzene
Patent number
6,794,549
Issue date
Sep 21, 2004
Bayer Aktiengesellschaft
Ralf Demuth
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Continuous isothermal process for preparing mononitrotoluenes in th...
Patent number
6,768,032
Issue date
Jul 27, 2004
Bayer Chemicals AG
Matthias Gotta
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Continuous adiabatic process for preparing nitrochlorobenzene
Patent number
6,586,645
Issue date
Jul 1, 2003
Bayer Aktiengesellschaft
Ralf Demuth
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Continuous isothermal process for preparing mononitrotoluenes
Patent number
6,583,327
Issue date
Jun 24, 2003
Bayer Aktiengesellschaft
Ralf Demuth
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the adiabatic preparation of 3,4-dichloronitrobenzene
Patent number
6,353,142
Issue date
Mar 5, 2002
Bayer Aktiengesellschaft
Eberhard Zirngiebl
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polyurethane foam and process for production
Patent number
6,326,412
Issue date
Dec 4, 2001
Otto Bock Schaumsysteme GmbH & Co. KG
Hans Weber
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method and mixing head for producing a reaction mixture from an iso...
Patent number
6,297,342
Issue date
Oct 2, 2001
Bayer Aktiengesellschaft
Klaus Schulte
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Flexible, deep-drawing, electrically conductive films
Patent number
5,998,014
Issue date
Dec 7, 1999
Bayer Aktiengesellschaft
Harry Muller
B32 - LAYERED PRODUCTS
Information
Patent Grant
Process for the CFC-free production of cellular polyurethane molded...
Patent number
5,464,880
Issue date
Nov 7, 1995
Bayer Aktiengesellschaft
Hans G. Weber
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Antistatic extruded polycarbonate sheets
Patent number
5,360,658
Issue date
Nov 1, 1994
Bayer Aktiengesellschaft
Jurgen Schmitz
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the production of optically isotropic extrusion films
Patent number
5,076,987
Issue date
Dec 31, 1991
Bayer Aktiengesellschaft
Joachim Wank
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Printing ribbon comprising polycondensates
Patent number
5,037,220
Issue date
Aug 6, 1991
Bayer Aktiengesellschaft
Volker Serini
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Oligourea polyols, polyether polyols produced from them and the use...
Patent number
4,874,797
Issue date
Oct 17, 1989
Bayer Aktiengesellschaft
Peter Haas
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the manufacture of printed circuits
Patent number
4,859,263
Issue date
Aug 22, 1989
Bayer Aktiengesellschaft AG
Heinz-Jurgen Dziurla
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Use of films of polycondensates
Patent number
4,786,708
Issue date
Nov 22, 1988
Bayer Aktiengesellschaft
Volker Serini
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Polyester polyols, a process for their production and their use in...
Patent number
4,681,903
Issue date
Jul 21, 1987
Bayer Aktiengesellschaft
Peter Haas
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
High molecular weight polyesters, preparation and use thereof
Patent number
4,654,411
Issue date
Mar 31, 1987
Bayer Aktiengesellschaft
Volker Serini
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Coated optically isotropic or monoaxially film of plastic
Patent number
4,629,637
Issue date
Dec 16, 1986
Bayer Aktiengesellschaft
Werner Waldenrath
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the production of plastic films having improved optical...
Patent number
4,614,634
Issue date
Sep 30, 1986
Bayer Aktiengesellschaft
Hans-Leo Weber
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Electrically conductive polycarbonate laminates and their preparation
Patent number
4,599,262
Issue date
Jul 8, 1986
Bayer Aktiengesellschaft
Bernhard Schulte
B32 - LAYERED PRODUCTS
Information
Patent Grant
Birefringence-free plastics
Patent number
4,544,583
Issue date
Oct 1, 1985
Bayer Aktiengesellschaft
Uwe Claussen
G02 - OPTICS
Information
Patent Grant
Process for the production of cast films from polyaryl sulphone/pol...
Patent number
4,343,756
Issue date
Aug 10, 1982
Bayer Aktiengesellschaft
Hans-Leo Weber
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
Continuous adiabatic process for nitrating chlorobenzene
Publication number
20030181771
Publication date
Sep 25, 2003
Ralf Demuth
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Film as a dielectric in capacitors and process for its production
Publication number
20030156377
Publication date
Aug 21, 2003
Hans-Leo Weber
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Films made from mixtures of polycarbonate and polystyrol
Publication number
20030032723
Publication date
Feb 13, 2003
Hans-Leo Weber
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Continuous adiabatic procss for preparing nitrochlorobenzene
Publication number
20020161269
Publication date
Oct 31, 2002
Ralf Demuth
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Continuous isothermal process for preparing mononitrotoluenes in th...
Publication number
20020147372
Publication date
Oct 10, 2002
Matthias Gotta
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Continuous isothermal process for preparing mononitrotoluenes
Publication number
20020091290
Publication date
Jul 11, 2002
Ralf Demuth
C07 - ORGANIC CHEMISTRY