Inventor
FRIEND CHRISTOPHER L
GB13 patents
⚠️ This page may combine multiple inventors who share the name “FRIEND CHRISTOPHER L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LUBRIZOL CORP
11 patentsUS9469824B2Oct 18, 2016
Ashless or reduced ash quaternary detergents
LUBRIZOL CORP1 citations59
US9109184B2Aug 18, 2015
Ashless or reduced ash quaternary detergents
LUBRIZOL CORP2 citations59
US10704006B2Jul 7, 2020
Lubricating composition containing an antiwear agent
LUBRIZOL CORP0 citations51
US10407641B2Sep 10, 2019
Ashless or reduced ash quaternary detergents
LUBRIZOL CORP0 citations50
US9890347B2Feb 13, 2018
Ashless or reduced ash quaternary detergents
LUBRIZOL CORP0 citations49
US9771541B2Sep 26, 2017
Lubricating composition containing an ashless TBN booster
LUBRIZOL CORP1 citations48
US9745326B2Aug 29, 2017
Bridged alkaline earth metal alkylphenates
LUBRIZOL CORP0 citations46
US9617496B2Apr 11, 2017
Method for preparing a sulfurized alkaline earth metal dodecylphenate
LUBRIZOL CORP0 citations46
US10077413B2Sep 18, 2018
Lubricating composition containing a detergent
LUBRIZOL CORP0 citations39
US10059900B2Aug 28, 2018
Aminobenzoic acid derivatives
LUBRIZOL CORP0 citations39
US10041018B2Aug 7, 2018
Lubricating composition
LUBRIZOL CORP0 citations39