Assignee
ETHYL CORP
US1,362 patents
Top patents by PatentIndex Score
US5308815AMay 3, 1994
Heterogeneous methylaluminoxane catalyst system
ETHYL CORP208 citations99
US5248801ASep 28, 1993
Preparation of methylaluminoxanes
ETHYL CORP260 citations99
US5235081AAug 10, 1993
Method of removing gel forming materials from methylaluminoxanes
ETHYL CORP279 citations99
US5157137AOct 20, 1992
Method of making gel free alkylaluminoxane solutions
ETHYL CORP242 citations99
US5045244ASep 3, 1991
Preparation of metal halide-amine complexes
ETHYL CORP157 citations99
US4968827ANov 6, 1990
Alkylaluminoxane process
ETHYL CORP268 citations99
US4218330AAug 19, 1980
Lubricant
ETHYL CORP279 citations99
US4208190AJun 17, 1980
Diesel fuels having anti-wear properties
ETHYL CORP183 citations99
US6548458B2Apr 15, 2003
Succinimide-acid compounds and derivatives thereof
ETHYL CORP103 citations98
USRE37363ESep 11, 2001
Lubricant containing molybdenum compound and secondary diarylamine
ETHYL CORP130 citations98
US6048373AApr 11, 2000
Fuels compositions containing polybutenes of narrow molecular weight distribution
ETHYL CORP88 citations98
US5697988ADec 16, 1997
Fuel compositions
ETHYL CORP147 citations98
US5650381AJul 22, 1997
Lubricant containing molybdenum compound and secondary diarylamine
ETHYL CORP175 citations98
US5087788AFeb 11, 1992
Preparation of high purity vinylindene olefin
ETHYL CORP195 citations98
US5068487ANov 26, 1991
Olefin oligomerization with BF3 alcohol alkoxylate co-catalysts
ETHYL CORP308 citations98
US6599865B1Jul 29, 2003
Effective antioxidant combination for oxidation and deposit control in crankcase lubricants
ETHYL CORP86 citations97
US6323164B1Nov 27, 2001
Dispersant (meth) acrylate copolymers having excellent low temperature properties
ETHYL CORP191 citations97
US6107257AAug 22, 2000
Highly grafted, multi-functional olefin copolymer VI modifiers
ETHYL CORP338 citations97
US6034040AMar 7, 2000
Lubricating oil formulations
ETHYL CORP106 citations97
US5752989AMay 19, 1998
Diesel fuel and dispersant compositions and methods for making and using same
ETHYL CORP106 citations97
US5725612AMar 10, 1998
Additives for minimizing intake valve deposits, and their use
ETHYL CORP155 citations97
US5634951AJun 3, 1997
Additives for minimizing intake valve deposits, and their use
ETHYL CORP138 citations97
US4910355AMar 20, 1990
Olefin oligomer functional fluid using internal olefins
ETHYL CORP288 citations97
US6107258AAug 22, 2000
Functionalized olefin copolymer additives
ETHYL CORP230 citations96
US6096695AAug 1, 2000
Sulfurized phenolic antioxidant composition, method of preparing same, and petroleum products containing same
ETHYL CORP64 citations96
US5703023ADec 30, 1997
Lubricants with enhanced low temperature properties
ETHYL CORP65 citations96
US5571445ANov 5, 1996
Gear oil compositions
ETHYL CORP54 citations96
US5358650AOct 25, 1994
Gear oil compositions
ETHYL CORP63 citations96
US5302768AApr 12, 1994
Process for decarbromodiphenylalkane predominant product
ETHYL CORP58 citations96
US5082662AJan 21, 1992
Bone disorder treatment
ETHYL CORP51 citations96
US5075501ADec 24, 1991
Mixed tert-amine oxide dihydrates
ETHYL CORP64 citations96
US5071594ADec 10, 1991
Free flowing granular laundry detergent comprising tert-amine oxide dihydrate
ETHYL CORP53 citations96
US5041583AAug 20, 1991
Preparation of aluminoxanes
ETHYL CORP77 citations96
US5039729AAug 13, 1991
Novel mixtures of brominated diphenyl ethanes
ETHYL CORP53 citations96
US5008477AApr 16, 1991
Decabromodiphenyl alkane process
ETHYL CORP54 citations96
US4973788ANov 27, 1990
Vinylidene dimer process
ETHYL CORP78 citations96
US4924018AMay 8, 1990
Alkylaluminoxane process
ETHYL CORP284 citations96
US4908463AMar 13, 1990
Aluminoxane process
ETHYL CORP306 citations96
US4868013ASep 19, 1989
Fluidized bed process
ETHYL CORP74 citations96
US4748260AMay 31, 1988
Preparation of amine alanes
ETHYL CORP121 citations96
US4632816ADec 30, 1986
Process for production of silane
ETHYL CORP61 citations96
US4535020AAug 13, 1985
Perforated film
ETHYL CORP109 citations96
US4476267AOct 9, 1984
High impact polystyrene containing halophenoxyalkylsilane flame retardant
ETHYL CORP53 citations96
US4456570AJun 26, 1984
Treatment of perforated film
ETHYL CORP94 citations96
US4397986AAug 9, 1983
Thermoplastic polyester blends
ETHYL CORP73 citations96
US4351784ASep 28, 1982
Corona treatment of perforated film
ETHYL CORP64 citations96
US4235557ANov 25, 1980
Dispenser
ETHYL CORP87 citations96
US4231883ANov 4, 1980
Lubricant composition
ETHYL CORP66 citations96
US4204481AMay 27, 1980
Anti-wear additives in diesel fuels
ETHYL CORP80 citations96
US4172855AOct 30, 1979
Lubricant
ETHYL CORP176 citations96
Showing the top 50 of 1,362 patents by PatentIndex Score.