loadpatents
name:-0.018478870391846
name:-0.0075099468231201
name:-0.00054597854614258
Nouwen; Jan Patent Filings

Nouwen; Jan

Patent Applications and Registrations

Patent applications and USPTO patent grants for Nouwen; Jan.The latest application filed is for "work-up in the preparation of high-purity triethylenediamine".

Company Profile
0.5.8
  • Nouwen; Jan - Brecht BE
  • Nouwen; Jan - Wachenheim DE
  • Nouwen, Jan - Lorsch DE
  • Nouwen; Jan - 64653 Lorsch 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
PatentDate
Method for improving a piperazine colour stability
Grant 7,758,730 - Evers , et al. July 20, 2
2010-07-20
Method for producing ethyleneamines
Grant 7,601,875 - Frauenkron , et al. October 13, 2
2009-10-13
Work-Up in the Preparation of High-Purity Triethylenediamine
App 20080312439 - Lang; Ortmund ;   et al.
2008-12-18
Method for producing ethylene-amines
Grant 7,393,978 - Frauenkron , et al. July 1, 2
2008-07-01
Method for Improving a Piperazine Colour Stability
App 20070295592 - Evers; Holger ;   et al.
2007-12-27
Method for producing ethyleneamines
App 20070100144 - Frauenkron; Matthias ;   et al.
2007-05-03
Method for the distillative separation of mixtures containing ethyleneamines
App 20070043217 - Siegert; Markus ;   et al.
2007-02-22
Method for producing ethylene-amines
App 20060276649 - Frauenkron; Matthias ;   et al.
2006-12-07
Hydraulic fluids, containing cyclic carboxylic acid derivatives
Grant 6,783,693 - Aydin , et al. August 31, 2
2004-08-31
Vinylamine compounds
App 20030177690 - Wittkowski, Lars ;   et al.
2003-09-25
Preparation of pentanediols from alkoxydihydropyrans
Grant 6,403,845 - Pfeffinger , et al. June 11, 2
2002-06-11
Process for preparing monoisopropylamine
App 20010003137 - Nouwen, Jan ;   et al.
2001-06-07
Process for preparing amines
App 20010003136 - Nouwen, Jan ;   et al.
2001-06-07

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.

© 2024 USPTO.report | Privacy Policy | Resources | RSS Feed of Trademarks | Trademark Filings Twitter Feed