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Hermann Kauth
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Krefeld, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Method for producing polycarbonate according to the phase interface...
Patent number
9,771,451
Issue date
Sep 26, 2017
Covestro Deutschland AG
Hermann Kauth
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of polycarbonates
Patent number
7,705,107
Issue date
Apr 27, 2010
Bayer MaterialScience AG
Hermann Kauth
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of polycarbonates
Patent number
7,071,284
Issue date
Jul 4, 2006
Bayer Aktiengesellschaft
Hermann Kauth
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Phosgene having low content of carbon tetrachloride
Patent number
6,930,202
Issue date
Aug 16, 2005
Bayer Aktiengesellschaft
Jürgen Heuser
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polycarbonate containers
Patent number
6,682,794
Issue date
Jan 27, 2004
Bayer Aktiengesellschaft
Klaus Horn
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing polycarbonates
Patent number
6,613,868
Issue date
Sep 2, 2003
Bayer Aktiengesellschaft
Hermann Kauth
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polycarbonates with a low yellowness index
Patent number
6,395,864
Issue date
May 28, 2002
Bayer Aktiengesellschaft
Steffen Kühling
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Improved transesterification process for the production of polycarb...
Patent number
5,444,148
Issue date
Aug 22, 1995
Bayer Aktiengesellschaft
Wolfgang Alewelt
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Guanidine-derived catalyts for preparing polycarbonates by transest...
Patent number
5,418,316
Issue date
May 23, 1995
Bayer Aktiengesellschaft
Steffen Kuhling
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Production of blend systems by the condensation of oligocarbonates...
Patent number
5,416,161
Issue date
May 16, 1995
Bayer Aktiengesellschaft
Werner Nielinger
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Two-stage process for the production of thermoplastic polycarbonate
Patent number
5,399,659
Issue date
Mar 21, 1995
Bayer Aktiengesellschaft
Steffen Kuhling
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the production of polycarbonates
Patent number
5,384,389
Issue date
Jan 24, 1995
Bayer Aktiengesellschaft
Wolfgang Alewelt
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the production of thermoplastic polycarbonates
Patent number
5,373,082
Issue date
Dec 13, 1994
Bayer Aktiengesellschaft
Hermann Kauth
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of thermoplastic polycarbonates
Patent number
5,340,905
Issue date
Aug 23, 1994
Bayer Aktiengesellschaft
Steffen Kuhling
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for isolating polycarbonates from their solutions with tube...
Patent number
5,317,083
Issue date
May 31, 1994
Bayer Aktiengesellschaft
Dieter Freitag
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Molten, catalytic process for the preparation of polycarbonates
Patent number
5,314,985
Issue date
May 24, 1994
Bayer Aktiengesellschaft
Steffen Kuhling
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Continuous production of polycarbonates
Patent number
5,235,026
Issue date
Aug 10, 1993
Bayer Aktiengesellschaft
Claus Wulff
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Flame-proof polyamides
Patent number
4,788,259
Issue date
Nov 29, 1988
Bayer Aktiengesellschaft
Werner Nielinger
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of copolyphosphonates of high notched i...
Patent number
4,782,123
Issue date
Nov 1, 1988
Bayer Aktiengesellschaft
Hermann Kauth
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of copolyphosphonates having high tough...
Patent number
4,719,279
Issue date
Jan 12, 1988
Bayer Aktiengesellschaft
Hermann Kauth
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of polyphosphonic acid amides
Patent number
4,701,554
Issue date
Oct 20, 1987
Bayer Aktiengesellschaft
Hermann Kauth
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Flame resistant moulding compounds based on styrene polymers
Patent number
4,668,720
Issue date
May 26, 1987
Bayer Aktiengesellschaft
Hermann Kauth
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thermotropic aromatic polyesters with high rigidity, a process for...
Patent number
4,614,789
Issue date
Sep 30, 1986
Bayer Aktiengesellschaft
Hans-Rudolf Dicke
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR PRODUCING POLYCARBONATE ACCORDING TO THE PHASE INTERFACE...
Publication number
20160326315
Publication date
Nov 10, 2016
COVESTRO DEUTSCHLAND AG
Hermann KAUTH
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PROCESS FOR THE PRODUCTION OF PHOSGENE WITH REDUCED CO EMISSION
Publication number
20090143619
Publication date
Jun 4, 2009
Bayer MaterialScience AG
Hermann Kauth
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Process for the preparation of polycarbonates
Publication number
20060155098
Publication date
Jul 13, 2006
Hermann Kauth
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Process for the preparation of polycarbonates
Publication number
20040158026
Publication date
Aug 12, 2004
Hermann Kauth
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Process for the separation of residual monomers and oligomers from...
Publication number
20040116648
Publication date
Jun 17, 2004
Stefan Westernacher
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Process for the production of polycarbonate which is damaged to a p...
Publication number
20040103717
Publication date
Jun 3, 2004
Stefan Westernacher
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Process for producing polycarbonates
Publication number
20020151672
Publication date
Oct 17, 2002
Hermann Kauth
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...