Schwarz; Hans Volkmar

Patent Applications and Registrations

Patent applications and USPTO patent grants for Schwarz; Hans Volkmar.The latest application filed is for "process for the preparation of polyetherols from alkylene oxides".

Company Profile

0.7.6

Schwarz; Hans Volkmar - Ludwigshafen DE
Schwarz; Hans Volkmar - Overijse BE
Schwarz; Hans Volkmar - Waterloo BE

*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
Process For The Preparation Of Polyetherols From Alkylene Oxides App 20120130134 - Schopohl; Matthias ; et al.	2012-05-24
Method for the distillative recovery of toluylenediamine Grant 7,342,134 - Knoesche , 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
Method for the distillative recovery of toluylenediamine App 20070083065 - Knoesche; Carsten ; et al.	2007-04-12
Method for separating isocyanates out from a reaction mixture App 20060089507 - Sohn; Martin ; et al.	2006-04-27
Light isocyanates, method for producing them and use thereof Grant 6,900,348 - Reif , et al. May 31, 2	2005-05-31
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
Work-up of distillation residues from the synthesis of toluene diisocyanate Grant 6,673,960 - Schwarz , et al. January 6, 2	2004-01-06
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
Method Of Producing Organic Diurethanes And/or Polyurethanes And Their Use In The Production Of Di-and/or Polyisocyanates App 20010005761 - LAQUA, GERHARD ; et al.	2001-06-28

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.