Inventor
BUTKE BETSY J
US8 patents
⚠️ This page may combine multiple inventors who share the name “BUTKE BETSY J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LUBRIZOL CORP
5 patentsUS4758362AJul 19, 1988
Carbamate additives for low phosphorus or phosphorus free lubricating compositions
LUBRIZOL CORP156 citations97
US5843873ADec 1, 1998
Lubricants and fluids containing thiocarbamates and phosphorus
LUBRIZOL CORP39 citations92
US5158698AOct 27, 1992
Liquid compositions containing thiocarbamates and polyoxyalkylene glycols or carboxylic esters
LUBRIZOL CORP22 citations92
US4963282AOct 16, 1990
Liquid compositions containing thiocarbamates
LUBRIZOL CORP31 citations92
US6645920B1Nov 11, 2003
Additive composition for industrial fluid
LUBRIZOL CORP14 citations82