Chen; Frank J.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Chen; Frank J..The latest application filed is for "direct synthesis by living cationic polymerization of nitrogen-containing polymers".

Company Profile

0.10.0

Chen; Frank J. - Edison NJ
Chen; Frank J. - Piscataway NJ

*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
Direct synthesis by living cationic polymerization of nitrogen-containing polymers Grant 5,629,394 - Cheradame , et al. May 13, 1	1997-05-13
Supported Lewis acid catalysts derived from superacids useful for hydrocarbon conversion reactions Grant 5,607,890 - Chen , et al. March 4, 1	1997-03-04
Supported lewis acid catalysts for hydrocarbon conversion reactions Grant 5,561,095 - Chen , et al. October 1, 1	1996-10-01
Direct synthesis by living cationic polymerization of nitrogen-containing polymers Grant 5,444,135 - Cheradame , et al. August 22, 1	1995-08-22
Immobilized Lewis acid catalysts Grant 5,288,677 - Chung , et al. February 22, 1	1994-02-22
Direct synthesis by cationic polymerization of nitrogen-containing polymers Grant 5,032,653 - Cheradame , et al. July 16, 1	1991-07-16
Multistep process for the manufacture of novel polyolefin lubricants from sulfur containing thermally cracked petroleum residua Grant 5,017,279 - Oswald , et al. May 21, 1	1991-05-21
Organo-Al-chloride catalyzed poly-n-butenes process Grant 4,952,739 - Chen August 28, 1	1990-08-28
Process for preparing polybutenes having enhanced reactivity using boron trifluoride catalysts (PT-647) Grant 4,849,572 - Chen , et al. July 18, 1	1989-07-18
Succinimide lubricating oil dispersant Grant 4,686,054 - Wisotsky , et al. August 11, 1	1987-08-11

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.