Strofer; Eckhard

Patent Applications and Registrations

Patent applications and USPTO patent grants for Strofer; Eckhard.The latest application filed is for "reprocessing of reaction material discharged from phosgenation reactors".

Company Profile

0.19.18

Strofer; Eckhard - Mannheim DE

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method for separating trioxane from a trioxane/formaldehyde/water mixture by means of pressure change rectification Grant 7,713,387 - Siegert , et al. May 11, 2	2010-05-11
Reaction column in a special combination with a natural circulation evaporator Grant 7,544,832 - Bredehoft , et al. June 9, 2	2009-06-09
Method for carrying out the distillation or reactive distillation of a mixture containing at least one toxic constituent Grant 7,431,804 - Strofer , et al. October 7, 2	2008-10-07
Method for producing formaldehyde Grant 7,381,851 - Olbert , et al. June 3, 2	2008-06-03
Method for producing highly concentrated formaldehyde solution Grant 7,342,139 - Rumpf , et al. March 11, 2	2008-03-11
Process for preparing methylenedianiline and methylenebis (phenylisocyanate) Grant 7,230,130 - Strofer , et al. June 12, 2	2007-06-12
Highly concentrated formaldehyde solution, production and reaction thereof Grant 7,193,115 - Strofer , et al. March 20, 2	2007-03-20
Method for producing an aqueous hydroxylamine solution devoid of salt Grant 7,105,078 - Wostbrock , et al. September 12, 2	2006-09-12
Method for producing an aqueous hydroxylamine solution devoid of salt Grant 7,029,557 - Wostbrock , et al. April 18, 2	2006-04-18
Reprocessing of reaction material discharged from phosgenation reactors App 20060052629 - Strofer; Eckhard ; et al.	2006-03-09
Moderate-pressure gas phase phosgenation App 20050272910 - Wolfert, Andreas ; et al.	2005-12-08
Fixed-bed process for producing chlorine by catalytic gas-phase oxidation of hydrogen chloride Grant 6,962,682 - Walsdorff , et al. November 8, 2	2005-11-08
Method for producing isocyanates App 20050222453 - Woelfert, Andreas ; et al.	2005-10-06
Method for the production of a salt-free aqueous hydroxylamine solution Grant 6,942,762 - Wostbrock , et al. September 13, 2	2005-09-13
Method for producing pure trioxane App 20050176973 - Friese, Katrin ; et al.	2005-08-11
Method for producing chlorine from hydrogen chloride App 20050175528 - Walsdorff, Christian ; et al.	2005-08-11
Integrated process for preparing isocyanates Grant 6,916,953 - Walsdorff , et al. July 12, 2	2005-07-12
Reaction column in a special combination with a natural circulation evaporator App 20050020848 - Bredehoft, Jan Peter ; et al.	2005-01-27
Process for preparing methylenedianiline and methylenebis (phenylisocyanate) App 20050014975 - Strofer, Eckhard ; et al.	2005-01-20
Process for preparing methylenedianiline and methylenebis(phenyl isocyanate) Grant 6,831,192 - Strofer , et al. December 14, 2	2004-12-14
Method for the production of a salt-free aqueous hydroxylamine solution App 20040156774 - Wostbrock, Karl-Heinz ; et al.	2004-08-12
Method for producing an aqueous hydroxylamine solution devoid of salt App 20040149563 - Wostbrock, Karl-Heinz ; et al.	2004-08-05
Method for producing an aqueous hydroxylamine solution devoid of salt App 20040149564 - Wostbrock, Karl-Heinz ; et al.	2004-08-05
Method for carrying out the distillation or reactive distillation of a mixture containing at least one toxic constituent App 20040150123 - Strofer, Eckhard ; et al.	2004-08-05
Stabilizing agent for hydroxylamine solutions Grant 6,758,990 - Weber , et al. July 6, 2	2004-07-06
Preparation of chlorine by gas-phase oxidation of hydrogen chloride App 20040115119 - Olbert, Gerhard ; et al.	2004-06-17
Preparation of chlorine by gas-phase oxidation of hydrogen chloride App 20040115118 - Olbert, Gerhard ; et al.	2004-06-17
Fixed-bed process for producing chlorine by catalytic gas-phase oxidation of hydrogen chloride App 20040052718 - Walsdorff, Christian ; et al.	2004-03-18
Integrated process for preparing isocyanates App 20040024244 - Walsdorff, Christian ; et al.	2004-02-05
Work-up of distillation residues from the synthesis of toluene diisocyanate Grant 6,673,960 - Schwarz , et al. January 6, 2	2004-01-06
Reaction of a solution comprising a mixture Grant 6,610,888 - Strofer , et al. August 26, 2	2003-08-26
Preparation of metal formate/formic acid mixtures App 20030092939 - Strofer, Eckhard ; et al.	2003-05-15
Stabilizing agent for hydroxylamine solutions App 20030026751 - Weber, Markus ; et al.	2003-02-06
Process for preparing methylenedianiline and methylenebis(phenyl isocyanate) App 20020132953 - Strofer, Eckhard ; et al.	2002-09-19
Method for the production of methylenedi(phenylamine and methylenedi(phenyl isocyanate) Grant 6,433,219 - Strofer , et al. August 13, 2	2002-08-13
Method for producing amines Grant 6,350,911 - Sander , et al. February 26, 2	2002-02-26
Preparation of an aqueous solution of free hydroxylamine Grant 6,299,734 - Watzenberger , et al. October 9, 2	2001-10-09

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