Inventor · Mannheim, DE

Wolfgang Grabarse

30Patents
3h-index
44Co-inventors
59Inventor score

Filing activity: Dec 21, 2007 → Aug 4, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US9951285B2 Quaternized nitrogen compounds and use thereof as additives in fuels and lubricants Chemistry; Metallurgy 7 Active
US10407634B2 Use of nitrogen compounds quaternised with alkylene oxide and hydrocarbyl-substituted polycarboxylic acid as additives in fuels and lubricants Emerging Cross-Sectional Technologies 5 Active
US9006158B2 Polytetrahydrobenzoxazines and bistetrahydrobenzoxazines and use thereof as a fuel additive or lubricant additive Chemistry; Metallurgy 4 Active
US10173963B2 Quaternized ammonium salts of hydrocarbyl epoxides and use thereof as additives in fuels and lubricants Chemistry; Metallurgy 3 Active
US10370610B2 Use of specific derivatives of quaternized nitrogen compounds as additives in fuels and lubricants Emerging Cross-Sectional Technologies 3 Active
US11168273B2 Polycarboxylic acid-based additives for fuels and lubricants Chemistry; Metallurgy 2 Active
US9255236B2 Acid-free quaternized nitrogen compounds and use thereof as additives in fuels and lubricants Chemistry; Metallurgy 2 Active
US8911516B2 Quaternized copolymer Chemistry; Metallurgy 2 Active
US10689326B2 Quaternized ammonium salts of hydrocarbyl epoxides and use thereof as additives in fuels and lubricants Chemistry; Metallurgy 2 Active
US11634654B2 Polycarboxylic acid-based additives for fuels and lubricants Chemistry; Metallurgy 1 Active
US8790426B2 Quaternized terpolymer Chemistry; Metallurgy 1 Active
US9458401B2 Use of substituted ureas or urethanes for improvement of the use properties of mineral and synthetic nonaqueous industrial fluids Chemistry; Metallurgy 1 Active
US8252555B2 Nucleic acid encoding a cobalamin-dependent methionine synthase polypeptide Chemistry; Metallurgy 1 Active
US11453836B2 Lubricant comprising a liquid ethylene copolymer Chemistry; Metallurgy 1 Active
US10815444B2 Use of specific derivatives of quaternized nitrogen compounds as additives in fuels and lubricants Emerging Cross-Sectional Technologies 1 Active
US10676685B2 Use of nitrogen compounds quaternised with alkylene oxide and hydrocarbyl-substituted polycarboxylic acid as additives in fuels and lubricants Emerging Cross-Sectional Technologies 1 Active
US9988589B2 Acid-free quaternized nitrogen compounds and use thereof as additives in fuels and lubricants Chemistry; Metallurgy 1 Active
US11111449B2 Use of nitrogen compounds quaternised with alkylene oxide and hydrocarbyl-substituted polycarboxylic acid as additives in fuels and lubricants Emerging Cross-Sectional Technologies 1 Active
US11214752B2 Lubricant composition containing copolymers of polyisobutylenemethacrylate Chemistry; Metallurgy 1 Active
US9359570B2 Polytetrahydrobenzoxazines and bistetrahydrobenzoxazines and use thereof as a fuel additive or lubricant additive Chemistry; Metallurgy 1 Active
US11912950B2 Use of nitrogen compounds quaternised with alkylene oxide and hydrocarbyl-substituted polycarboxylic acid as additives in fuels and lubricants Emerging Cross-Sectional Technologies 0 Active
US9587194B2 Acid-free quaternized nitrogen compounds and use thereof as additives in fuels and lubricants Chemistry; Metallurgy 0 Active
US10344241B2 Acid-free quaternized nitrogen compounds and use thereof as additives in fuels and lubricants Chemistry; Metallurgy 0 Active
US11667864B2 Lubricants with a terpolymer made of diester, olefin and acrylate Chemistry; Metallurgy 0 Active
US10119085B2 Quaternized nitrogen compounds and use thereof as additives in fuels and lubricants Chemistry; Metallurgy 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.