Witco GmbH

Patent Applications and Registrations

Patent applications and USPTO patent grants for Witco GmbH.The latest application filed is for "process for the preparation of metallocene catalyst systems on inert support material using gas phase reactor".

Company Profile

0.10.0

Witco GmbH - Bergkamen DE
Witco GmbH - Postfach 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 the preparation of metallocene catalyst systems on inert support material using gas phase reactor Grant 6,124,229 - Becker , et al. September 26, 2	2000-09-26
Fluidized bed gas phase process of preparing a supported metallocene catalyst Grant 5,789,332 - Kutschera , et al. August 4, 1	1998-08-04
Synthesis of novel organometallics and their use in olefin polymerization Grant 5,726,332 - Eisch , et al. March 10, 1	1998-03-10
Organotin compounds useful in preparing bridged stereorigid metallocenes Grant 5,543,535 - Lisowsky August 6, 1	1996-08-06
Process for preparing aluminoxane on inert support material Grant 5,534,474 - Becker , et al. July 9, 1	1996-07-09
Bridged cyclopentadienylmagnesium compounds and use thereof for preparing metallocenes Grant 5,453,221 - Lisowsky September 26, 1	1995-09-26
Process for the preparation of alkylaluminoxanes on inert support materials Grant 5,446,001 - Gurtzgen August 29, 1	1995-08-29
Process for preparing solutions of oligomeric methylaluminoxanes Grant 5,427,992 - Graefe , et al. June 27, 1	1995-06-27
Process for the preparation of aluminoxanes Grant 5,403,942 - Becker , et al. April 4, 1	1995-04-04
Hydroxyl group-containing epoxy resin reacted with polyoxyalkylene (urethane)-isocyanate Grant 5,274,012 - Neffgen , et al. December 28, 1	1993-12-28

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.