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Eckhard Strofer
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Mannheim, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Method for separating trioxane from a trioxane/formaldehyde/water m...
Patent number
7,713,387
Issue date
May 11, 2010
BASF Aktiengesellschaft
Markus Siegert
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Reaction column in a special combination with a natural circulation...
Patent number
7,544,832
Issue date
Jun 9, 2009
BASF Aktiengesellschaft
Jan Peter Bredehöft
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for carrying out the distillation or reactive distillation o...
Patent number
7,431,804
Issue date
Oct 7, 2008
BASF Aktiengesellschaft
Eckhard Ströfer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing formaldehyde
Patent number
7,381,851
Issue date
Jun 3, 2008
BASF Aktiengesellschaft
Gerhard Olbert
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Method for producing highly concentrated formaldehyde solution
Patent number
7,342,139
Issue date
Mar 11, 2008
BASF Aktiengesellschaft
Bernd Rumpf
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing methylenedianiline and methylenebis (phenylis...
Patent number
7,230,130
Issue date
Jun 12, 2007
BASF Aktiengesellschaft
Eckhard Ströfer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Highly concentrated formaldehyde solution, production and reaction...
Patent number
7,193,115
Issue date
Mar 20, 2007
BASF Aktiengesellschaft
Eckhard Ströfer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing an aqueous hydroxylamine solution devoid of salt
Patent number
7,105,078
Issue date
Sep 12, 2006
BASF Aktiengesellschaft
Karl-Heinz Wostbrock
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for producing an aqueous hydroxylamine solution devoid of salt
Patent number
7,029,557
Issue date
Apr 18, 2006
BASF Aktiengesellschaft
Karl-Heinz Wostbrock
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Fixed-bed process for producing chlorine by catalytic gas-phase oxi...
Patent number
6,962,682
Issue date
Nov 8, 2005
BASF Aktiengesellschaft
Christian Walsdorff
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for the production of a salt-free aqueous hydroxylamine solu...
Patent number
6,942,762
Issue date
Sep 13, 2005
BASF Akteingesellschaft
Karl-Heinz Wostbrock
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Integrated process for preparing isocyanates
Patent number
6,916,953
Issue date
Jul 12, 2005
BASF Aktiengesellschaft
Christian Walsdorff
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing methylenedianiline and methylenebis(phenyl is...
Patent number
6,831,192
Issue date
Dec 14, 2004
BASF Aktiengesellschaft
Eckhard Ströfer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Stabilizing agent for hydroxylamine solutions
Patent number
6,758,990
Issue date
Jul 6, 2004
BASF Aktiengesellschaft
Markus Weber
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Work-up of distillation residues from the synthesis of toluene diis...
Patent number
6,673,960
Issue date
Jan 6, 2004
BASF Aktiengesellschaft
Hans Volkmar Schwarz
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Reaction of a solution comprising a mixture
Patent number
6,610,888
Issue date
Aug 26, 2003
BASF Aktiengesellschaft
Eckhard Ströfer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
METHOD FOR PRODUCING MIXTURES CONSISTING OF DIPHENYLMETHANE DIISOCY...
Patent number
6,576,788
Issue date
Jun 10, 2003
BASF Aktiengesellschaft
Ulrich Penzel
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for the production of methylenedi(phenylamine and methylened...
Patent number
6,433,219
Issue date
Aug 13, 2002
BASF Aktiengesellschaft
Eckhard Ströfer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing amines
Patent number
6,350,911
Issue date
Feb 26, 2002
BASF Aktiengesellschaft
Michael Sander
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Preparation of an aqueous solution of free hydroxylamine
Patent number
6,299,734
Issue date
Oct 9, 2001
BASF Aktiengesellschaft
Otto Watzenberger
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for producing highly pure aqueous hydroxylamine solutions
Patent number
6,153,799
Issue date
Nov 28, 2000
BASF Aktiengesellschaft
Otto Watzenberger
C01 - INORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Reprocessing of reaction material discharged from phosgenation reac...
Publication number
20060052629
Publication date
Mar 9, 2006
BASF Aktiengesellschaft
Eckhard Strofer
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Moderate-pressure gas phase phosgenation
Publication number
20050272910
Publication date
Dec 8, 2005
BASF Aktiengesellschaft
Andreas Wolfert
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method for producing isocyanates
Publication number
20050222453
Publication date
Oct 6, 2005
BASF Aktiengesellschaft
Andreas Woelfert
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method for producing chlorine from hydrogen chloride
Publication number
20050175528
Publication date
Aug 11, 2005
BASF Aktiengesellschaft
Christian Walsdorff
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Method for producing pure trioxane
Publication number
20050176973
Publication date
Aug 11, 2005
Katrin Friese
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Reaction column in a special combination with a natural circulation...
Publication number
20050020848
Publication date
Jan 27, 2005
Jan Peter Bredehoft
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for preparing methylenedianiline and methylenebis (phenylis...
Publication number
20050014975
Publication date
Jan 20, 2005
Eckhard Strofer
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method for the production of a salt-free aqueous hydroxylamine solu...
Publication number
20040156774
Publication date
Aug 12, 2004
Karl-Heinz Wostbrock
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Method for producing an aqueous hydroxylamine solution devoid of salt
Publication number
20040149564
Publication date
Aug 5, 2004
Karl-Heinz Wostbrock
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Method for carrying out the distillation or reactive distillation o...
Publication number
20040150123
Publication date
Aug 5, 2004
Eckhard Strofer
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method for producing an aqueous hydroxylamine solution devoid of salt
Publication number
20040149563
Publication date
Aug 5, 2004
Karl-Heinz Wostbrock
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Preparation of chlorine by gas-phase oxidation of hydrogen chloride
Publication number
20040115118
Publication date
Jun 17, 2004
BASF Aktiengesellschaft
Gerhard Olbert
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Preparation of chlorine by gas-phase oxidation of hydrogen chloride
Publication number
20040115119
Publication date
Jun 17, 2004
BASF Aktiengesellschaft
Gerhard Olbert
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Fixed-bed process for producing chlorine by catalytic gas-phase oxi...
Publication number
20040052718
Publication date
Mar 18, 2004
BASF Aktiengesellschaft
Christian Walsdorff
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Integrated process for preparing isocyanates
Publication number
20040024244
Publication date
Feb 5, 2004
BASF Aktiengesellschaft
Christian Walsdorff
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Preparation of metal formate/formic acid mixtures
Publication number
20030092939
Publication date
May 15, 2003
Eckhard Strofer
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Application
Stabilizing agent for hydroxylamine solutions
Publication number
20030026751
Publication date
Feb 6, 2003
Markus Weber
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Process for preparing methylenedianiline and methylenebis(phenyl is...
Publication number
20020132953
Publication date
Sep 19, 2002
BASF Aktiengesellschaft
Eckhard Strofer
C07 - ORGANIC CHEMISTRY