Inventor
SHEETS ROGER M
US20 patents
⚠️ This page may combine multiple inventors who share the name “SHEETS ROGER M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AFTON CHEMICAL CORP
11 patentsUS7214649B2May 8, 2007
Hydrocarbyl dispersants including pendant polar functional groups
AFTON CHEMICAL CORP140 citations97
US7368596B2May 6, 2008
Process for producing zinc dialkyldithiophosphates exhibiting improved seal compatibility properties
AFTON CHEMICAL CORP19 citations88
US8349778B2Jan 8, 2013
Lubricating compositions having improved friction properties
AFTON CHEMICAL CORP2 citations62
US7879775B2Feb 1, 2011
Lubricant compositions
AFTON CHEMICAL CORP3 citations62
US8853422B2Oct 7, 2014
Pyrrolidine-2,5-dione derivatives for use in friction modification
AFTON CHEMICAL CORP0 citations51
US7737094B2Jun 15, 2010
Engine wear protection in engines operated using ethanol-based fuel
AFTON CHEMICAL CORP0 citations51
US8877956B2Nov 4, 2014
1,3,2-dioxaphosphorinane, 2-sulfide derivatives for use as anti-wear additives in lubricant compositions
AFTON CHEMICAL CORP0 citations50
US8871696B2Oct 28, 2014
1,3,2-dioxaphosphorinane, 2-sulfide derivatives for use as anti-wear additives in lubricant compositions
AFTON CHEMICAL CORP0 citations50
US8618030B2Dec 31, 2013
1,3,2-dioxaphosphorinane, 2-sulfide derivatives for use as anti-wear additives in lubricant compositions
AFTON CHEMICAL CORP0 citations50
US7928260B2Apr 19, 2011
Salt of a sulfur-containing, phosphorus-containing compound, and methods thereof
AFTON CHEMICAL CORP0 citations50
US7592490B2Sep 22, 2009
Process for producing zinc dialkyldithiophosphates exhibiting improved seal compatibility properties
AFTON CHEMICAL CORP0 citations47