P

Inventor

LOPER JOHN T

US52 patents
⚠️ This page may combine multiple inventors who share the name “LOPER JOHN T”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

AFTON CHEMICAL CORP

30 patents
US8048831B2Nov 1, 2011

Dispersant reaction product with antioxidant capability

AFTON CHEMICAL CORP133 citations99
US7645726B2Jan 12, 2010

Dispersant reaction product with antioxidant capability

AFTON CHEMICAL CORP135 citations99
US7491248B2Feb 17, 2009

Fuels compositions and methods for using same

AFTON CHEMICAL CORP57 citations98
US7897696B2Mar 1, 2011

Process for the preparation of polyalkenyl succinic anhydrides

AFTON CHEMICAL CORP151 citations97
US7214649B2May 8, 2007

Hydrocarbyl dispersants including pendant polar functional groups

AFTON CHEMICAL CORP140 citations97
US7863228B2Jan 4, 2011

Additives for lubricants and fuels

AFTON CHEMICAL CORP20 citations91
US7361629B2Apr 22, 2008

Additives for lubricants and fuels

AFTON CHEMICAL CORP22 citations91
US7766982B2Aug 3, 2010

Fuels compositions and methods for using same

AFTON CHEMICAL CORP10 citations84
US9279094B2Mar 8, 2016

Friction modifiers for use in lubricating oil compositions

AFTON CHEMICAL CORP5 citations72
US8822392B1Sep 2, 2014

Friction modifiers for lubricating oils

AFTON CHEMICAL CORP3 citations63
US8349778B2Jan 8, 2013

Lubricating compositions having improved friction properties

AFTON CHEMICAL CORP2 citations62
US7879775B2Feb 1, 2011

Lubricant compositions

AFTON CHEMICAL CORP3 citations62
US7645728B2Jan 12, 2010

Lubricant and fuel additives derived from treated amines

AFTON CHEMICAL CORP6 citations62
US9249371B2Feb 2, 2016

Additive compositions with a friction modifier and a dispersant

AFTON CHEMICAL CORP2 citations61
US7696138B2Apr 13, 2010

Alkyl acrylate copolymer dispersants and uses thereof

AFTON CHEMICAL CORP6 citations61
US7879774B2Feb 1, 2011

Titanium-containing lubricating oil composition

AFTON CHEMICAL CORP2 citations60
US10584297B2Mar 10, 2020

Polyolefin-derived dispersants

AFTON CHEMICAL CORP1 citations59
US7897552B2Mar 1, 2011

Additives and lubricant formulations for improved antioxidant properties

AFTON CHEMICAL CORP4 citations56
US9296971B2Mar 29, 2016

Friction modifiers for lubricating oils

AFTON CHEMICAL CORP1 citations52
US9193932B2Nov 24, 2015

Amide alcohol friction modifiers for lubricating oils

AFTON CHEMICAL CORP1 citations52
US8927471B1Jan 6, 2015

Friction modifiers for engine oils

AFTON CHEMICAL CORP1 citations52
US7875747B2Jan 25, 2011

Branched succinimide dispersant compounds and methods of making the compounds

AFTON CHEMICAL CORP0 citations52
US9550955B2Jan 24, 2017

Friction modifiers for lubricating oils

AFTON CHEMICAL CORP1 citations51
US9499763B2Nov 22, 2016

Additive compositions with plural friction modifiers

AFTON CHEMICAL CORP1 citations51
US9499762B2Nov 22, 2016

Additive compositions with a friction modifier and a detergent

AFTON CHEMICAL CORP1 citations51
US9499764B2Nov 22, 2016

Additive compositions with a friction modifier and a dispersant

AFTON CHEMICAL CORP0 citations51
US8048834B2Nov 1, 2011

Additives and lubricant formulations for improved catalyst performance

AFTON CHEMICAL CORP1 citations51
US8003584B2Aug 23, 2011

Lubricant compositions

AFTON CHEMICAL CORP0 citations51
US7960321B2Jun 14, 2011

Oil-soluble molybdenum derivatives derived from hydroxyethyl-substituted Mannich bases

AFTON CHEMICAL CORP1 citations51
US7884059B2Feb 8, 2011

Oil-soluble molybdenum derivatives derived from hydroxyethyl-substituted Mannich bases

AFTON CHEMICAL CORP1 citations51

ETHYL CORP

9 patents

LOPER JOHN T

3 patents

AFTON CHEMICAL INTANGIBLES LLC

2 patents

DEVLIN MARK T

2 patents

GRIFFIN PAUL G

1 patent

HUANG CHENTE

1 patent

MATHUR NARESH

1 patent

DEGONIA DAVID J

1 patent

Showing the top 50 of 52 patents by PatentIndex Score.