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Christoph Sigwart
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Schriesheim, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Method for producing low-halogen polybiphenylsulfone polymers
Patent number
9,469,732
Issue date
Oct 18, 2016
BASF SE
Martin Weber
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for producing low-halogen polybiphenylsulfone polymers
Patent number
9,102,798
Issue date
Aug 11, 2015
BASF SE
Martin Weber
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Integrated method for the preparation of trioxane from formaldehyde
Patent number
8,450,507
Issue date
May 28, 2013
BASF SE
Markus Siegert
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing polyoxymethylene homopolymers or copolymers b...
Patent number
8,378,144
Issue date
Feb 19, 2013
BASF SE
Markus Siegert
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for separating tioxane from a trioxane/formaldehyde/water mi...
Patent number
8,350,063
Issue date
Jan 8, 2013
BASF SE
Markus Siegert
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Catalyst, its preparation and the polymerization of cyclic ethers o...
Patent number
7,456,249
Issue date
Nov 25, 2008
BASF SE
Stephan Schlitter
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Catalyst, its preparation and the polymerization of cyclic ethers o...
Patent number
7,449,422
Issue date
Nov 11, 2008
BASF SE
Stephan Schlitter
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for producing polytetrahydrofurane having a low color indices
Patent number
7,148,318
Issue date
Dec 12, 2006
BASF Aktiengesellschaft
Anton Meier
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for producing polytetrahydrofuran
Patent number
7,074,944
Issue date
Jul 11, 2006
BASF Aktiengesellschaft
Ulrich Steinbrenner
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Color index of multivalent alcohols by hydrogenation
Patent number
7,057,080
Issue date
Jun 6, 2006
BASF Aktiengesellschaft
Matthias Dernbach
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Catalyst and method for the production of polytetrahydrofuran
Patent number
7,041,752
Issue date
May 9, 2006
BASF Aktiengesellschaft
Stephan Schlitter
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Catalyst and method for producing polytetrahydrofurane
Patent number
6,870,014
Issue date
Mar 22, 2005
BASF Aktiengesellschaft
Ulrich Steinbrenner
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for the production of polytetrahydrofuran with low color index
Patent number
6,852,869
Issue date
Feb 8, 2005
BASF Aktiengesellschaft
Christoph Sigwart
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for the single-step production of polytetrahydrofuran and te...
Patent number
6,716,937
Issue date
Apr 6, 2004
BASF Aktiengesellschaft
Gerd Bohner
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for producing halogen-free reactive polyisobutene
Patent number
6,441,110
Issue date
Aug 27, 2002
BASF Aktiengesellschaft
Christoph Sigwart
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Preparation of halogen-free, reactive polyisobutene
Patent number
6,384,154
Issue date
May 7, 2002
BASF Aktiengesellschaft
Christoph Sigwart
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for polymerizing cyclic ether
Patent number
6,359,108
Issue date
Mar 19, 2002
BASF Aktiengesellschaft
Karsten Eller
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for preparing hydroxy-containing compounds from formic acid...
Patent number
6,316,664
Issue date
Nov 13, 2001
BASF Aktiengesellschaft
Detlef Kratz
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing polytetrahydrofuran
Patent number
6,211,401
Issue date
Apr 3, 2001
BASF Aktiengesellschaft
Karsten Eller
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for producing polytetrahydrofuran
Patent number
6,124,368
Issue date
Sep 26, 2000
BASF Aktiengesellschaft
Karsten Eller
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for preparing polytetrahydrofuran and derivatives thereof
Patent number
6,111,147
Issue date
Aug 29, 2000
BASF Aktiengesellschaft
Christoph Sigwart
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Preparation of 1,4-butanediol
Patent number
6,103,941
Issue date
Aug 15, 2000
BASF Aktiengesellschaft
Rolf Fischer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of producing polyoxytetramethylene glycol
Patent number
6,043,338
Issue date
Mar 28, 2000
BASF Aktiengesellschaft
Christoph Sigwart
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Preparation of 1,2-butylene oxide
Patent number
6,002,027
Issue date
Dec 14, 1999
BASF Aktiengesellschaft
Christoph Sigwart
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Preparation of 1,4-butanediol
Patent number
5,977,417
Issue date
Nov 2, 1999
BASF Aktiengesellschaft
Rolf Fischer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for the selective hydrogenation of vinyl oxirane to butylene...
Patent number
5,948,921
Issue date
Sep 7, 1999
Christoph Sigwart
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of producing reactive halogen-free, polyisobutene
Patent number
5,945,575
Issue date
Aug 31, 1999
Christoph Sigwart
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Tetrahydrofuran/but-2-yne-1, 4-diol copolymers containing C-C tripl...
Patent number
5,939,590
Issue date
Aug 17, 1999
BASF Aktiengesellschaft
Christoph Sigwart
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the selective hydration of vinyloxirane to 1,2-butylene...
Patent number
5,929,261
Issue date
Jul 27, 1999
BASF Aktiengesellschaft
Christoph Sigwart
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Preparation of 1,2-butylene oxide
Patent number
5,869,707
Issue date
Feb 9, 1999
BASF Aktiengesellschaft
Christoph Sigwart
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR PRODUCING LOW-HALOGEN POLYBIPHENYLSULFONE POLYMERS
Publication number
20150337085
Publication date
Nov 26, 2015
BASF SE
Martin Weber
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
METHOD FOR PRODUCING LOW-HALOGEN POLYBIPHENYLSULFONE POLYMERS
Publication number
20120149796
Publication date
Jun 14, 2012
BASF SE
Martin Weber
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
METHOD FOR THE PRODUCTION OF CRUDE TRIOXANE
Publication number
20100324311
Publication date
Dec 23, 2010
BASF SE
Markus Siegert
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR PREPARING POLYOXYMETHYLENE HOMOPOLYMERS OR COPOLYMERS B...
Publication number
20100280195
Publication date
Nov 4, 2010
BASF SE
Markus Siegert
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD FOR SEPARATING TIOXANE FROM A TRIOXANE/FORMALDEHYDE/WATER MI...
Publication number
20100270140
Publication date
Oct 28, 2010
BASF SE
Markus Siegert
C07 - ORGANIC CHEMISTRY
Information
Patent Application
CATALYST, ITS PREPARATION AND THE POLYMERIZATION OF CYCLIC ETHERS O...
Publication number
20080108786
Publication date
May 8, 2008
BASF Aktiengesellschaft
Stephan Schlitter
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Catalyst, method for producing the same and method for the polymeri...
Publication number
20060046925
Publication date
Mar 2, 2006
Stephan Schlitter
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Method for producing polytetrahydrofurane having a low color indices
Publication number
20050182238
Publication date
Aug 18, 2005
Anton Meier
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Catalyst and method for the production of polytetrahydrofuran
Publication number
20040220381
Publication date
Nov 4, 2004
Stephan Schlitter
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Method for producing polytetrahydrofuran
Publication number
20040186269
Publication date
Sep 23, 2004
Ulrich Steinbrenner
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Method for the production of polytetrahydrofuran with low colour index
Publication number
20040024172
Publication date
Feb 5, 2004
Christoph Sigwart
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Colour index of multivalent alcohols by hydrogenation
Publication number
20040024265
Publication date
Feb 5, 2004
Matthias Dernbach
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Catalyst and method for producing polytetrahydrofurane
Publication number
20030186806
Publication date
Oct 2, 2003
Ulrich Steinbrenner
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Method for the single-step production of polytetrahydrofuran and te...
Publication number
20030176630
Publication date
Sep 18, 2003
Gerd Bohner
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...