Keller-Killewald; Manfred

Patent Applications and Registrations

Patent applications and USPTO patent grants for Keller-Killewald; Manfred.The latest application filed is for "method for producing 1,5-pentanediisocyanate in the gas phase".

Company Profile

3.5.6

Keller-Killewald; Manfred - Dormagen DE
Keller-Killewald; Manfred - Brunsbuttel 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 producing 1,5-pentanediisocyanate in the gas phase Grant 10,329,248 - Sanders , et al.	2019-06-25
Method For Producing 1,5-pentanediisocyanate In The Gas Phase App 20190112259 - Sanders; Josef ; et al.	2019-04-18
Method for producing 1,5-pentanediisocyanate in the gas phase Grant 10,173,970 - Sanders , et al. J	2019-01-08
Process for preparing polyisocyanates Grant 10,112,892 - Arras , et al. October 30, 2	2018-10-30
Process For Preparing Polyisocyanates App 20180179150 - Arras; Jurgen ; et al.	2018-06-28
Method For Producing Isocyanates In The Gas Phase App 20170305842 - Sanders; Josef ; et al.	2017-10-26
Method For Producing 1,5-pentanediisocyanate In The Gas Phase App 20170283370 - Sanders; Josef ; et al.	2017-10-05
Process and mixing unit for the preparation of isocyanates by phosgenation of primary amines Grant 8,079,752 - Rausch , et al. December 20, 2	2011-12-20
Process and mixing unit for the preparation of isocyanates by phosgenation of primary amines App 20090175121 - Rausch; Andreas ; et al.	2009-07-09
Process for the two-step production of dinitrotoluene Grant 6,984,762 - Dieterich , et al. January 10, 2	2006-01-10
Process for the two-step production of dinitrotoluene App 20040267061 - Dieterich, Erwin ; et al.	2004-12-30

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.