Merten; Anne-Kathrin

Patent Applications and Registrations

Patent applications and USPTO patent grants for Merten; Anne-Kathrin.The latest application filed is for "acid toluene extraction of dnt wastewaters".

Company Profile

0.8.6

Merten; Anne-Kathrin - Lauchhammer 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 purifying mixtures comprising 4,4'-methylenediphenyl diisocyanate Grant 9,505,711 - Bock , et al. November 29, 2	2016-11-29
Process for preparing aromatic amines Grant 8,981,155 - Haase , et al. March 17, 2	2015-03-17
Acidic sludge adsorption of DNT wastewaters Grant 8,529,771 - Fritz , et al. September 10, 2	2013-09-10
Acid Toluene Extraction Of Dnt Wastewaters App 20120248038 - Fritz; Ruediger ; et al.	2012-10-04
Acidic Sludge Adsorption Of Dnt Wastewaters App 20120234773 - Fritz; Ruediger ; et al.	2012-09-20
Process For Preparing Aromatic Amines App 20120215029 - Haase; Stefanie ; et al.	2012-08-23
Method For Purifying Mixtures Comprising 4,4'-methylenediphenyl Diisocyanate App 20120142960 - BOCK; Michael ; et al.	2012-06-07
Process For Preparing Polyols Using Base Catalysis App 20110224397 - OSTROWSKI; Thomas ; et al.	2011-09-15
Process for distillatively removing dinitrotoluene from process wastewater from the preparation of dinitrotoluene by nitrating of toluene with nitrating acid Grant 7,928,270 - Penzel , et al. April 19, 2	2011-04-19
Process For The Separation By Distillation Of Dinitrotoluene From Process For The Separation By Distillation Of Dinitrotoluene From Process For The Separation By Distillation Of Dinitrotoluene From Process Wastewater From The Preparation Of Dinitrotoluene By Nitration Of Toluene By Means Of Nitratin App 20090043135 - Penzel; Ulrich ; et al.	2009-02-12
Gas mixtures for thermal insulation Grant 5,965,231 - Rotermund , et al. October 12, 1	1999-10-12

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