Keys; Robert O.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Keys; Robert O..The latest application filed is for "polyquat anionic scavengers for rinse cycle fabric softeners".

Company Profile

0.8.2

Keys; Robert O. - Columbus OH

*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
Polyquat anionic scavengers for rinse cycle fabric softeners Grant 6,784,152 - Keys August 31, 2	2004-08-31
MDEA ester quats with high content of monoester in blends with tea ester quats Grant 6,737,392 - Keys , et al. May 18, 2	2004-05-18
Polyquat anionic scavengers for rinse cycle fabric softeners App 20020173443 - Keys, Robert O.	2002-11-21
Polyquaternaries from mdea using dibasic acids and fatty acids App 20020002297 - Keys, Robert O.	2002-01-03
Obtaining enhanced paper production using cationic compositions containing diol and/or diol alkoxylate Grant 5,753,079 - Jenny , et al. May 19, 1	1998-05-19
Cationic compositions containing diol and/or diol alkoxylate Grant 5,674,832 - Keys October 7, 1	1997-10-07
Modified alcohol frothers for froth flotation of sulfide ore Grant 4,678,563 - Keys * July 7, 1	1987-07-07
Promoters for froth flotation of coal Grant 4,678,561 - Keys July 7, 1	1987-07-07
Promoters for froth flotation of coal Grant 4,589,980 - Keys May 20, 1	1986-05-20
Ester-alcohol frothers for froth flotation of coal Grant 4,504,385 - Keys March 12, 1	1985-03-12

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.