Sonnenberg; Gerd

Patent Applications and Registrations

Patent applications and USPTO patent grants for Sonnenberg; Gerd.The latest application filed is for "process for preparing methylhydroxyalkylcellulose having a small number of coloured particles".

Company Profile

0.5.4

Sonnenberg; Gerd - Walsrode 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
Process for preparing methylhydroxyalkylcellulose having a small number of coloured particles Grant 8,197,699 - Kowollik , et al. June 12, 2	2012-06-12
Process for preparing methylhydroxyalkylcellulose having a small number of coloured particles App 20070210014 - Kowollik; Martin ; et al.	2007-09-13
Process for producing particulate, water-soluble cellulose derivatives using a superheated gas mixture containing steam Grant 7,259,257 - Schlesiger , et al. August 21, 2	2007-08-21
Process and apparatus for combined milling and drying Grant 6,880,772 - Schlesiger , et al. April 19, 2	2005-04-19
Process and apparatus for the industrial preparation of methylhydroxyalkylcellulose Grant 6,667,395 - Holtkotter , et al. December 23, 2	2003-12-23
Process and apparatus for combined milling and drying App 20030122003 - Schlesiger, Hartwig ; et al.	2003-07-03
Process and apparatus for the industrial preparation of methylhydroxyalkylcellulose App 20030065166 - Holtkotter, Torsten ; et al.	2003-04-03
Process for producing particulate, water-soluble cellulose derivatives using a superheated gas mixture containing steam App 20010025101 - Schlesiger, Hartwig ; et al.	2001-09-27
Process for producing methyl hydroxyalkyl cellulose ethers Grant 5,360,902 - Brauer , et al. November 1, 1	1994-11-01

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.