Wirsing; Friedrich

Patent Applications and Registrations

Patent applications and USPTO patent grants for Wirsing; Friedrich.The latest application filed is for "method for the production of aminodicarboxylic acid-n,n-diacetic acids".

Company Profile

0.5.6

Wirsing; Friedrich - Kaiserslautern N/A DE
Wirsing; Friedrich - Speyer 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 the production of aminodicarboxylic acid-N,N-diacetic acids Grant 8,455,682 - Oftring , et al. June 4, 2	2013-06-04
Method For The Production Of Aminodicarboxylic Acid-n,n-diacetic Acids App 20110004016 - Oftring; Alfred ; et al.	2011-01-06
Method for producing methylglycine-N,N-diethanoic acid-trialkali metal salts with a low by-product content Grant 7,671,234 - Oftring , et al. March 2, 2	2010-03-02
Method For Producing Methylglycine-N,N-Diethanoic Acid-Trialkali Metal Salts With A Low By-Product Content App 20080194873 - Oftring; Alfred ; et al.	2008-08-14
Continuous process for the cyanoalkylation of compounds having one or more NH functions Grant 6,861,548 - Greindl , et al. March 1, 2	2005-03-01
Continuous process for the cyanoalkylation of compounds having one or more NH functions App 20030114700 - Greindl, Thomas ; et al.	2003-06-19
Aqueous cationic tenside preparations, method for the production and use thereof Grant 6,509,012 - Hossel , et al. January 21, 2	2003-01-21
Wetting Agent Compristing Sulfonated Dicarboxylic Esters App 20020139958 - AUCHTER, GERHARD ; et al.	2002-10-03
Continuous process for the cyanoalkylation of compounds having one or more NH functions App 20020087024 - Greindl, Thomas ; et al.	2002-07-04
Wetting agent comprising sulfonated dicarboxylic esters App 20020052433 - Auchter, Gerhard ; et al.	2002-05-02

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