JL

John M. Larkin

Chevron: 32 patents #89 of 4,788Top 2%
HP Huntsman Petrochemical: 4 patents #47 of 174Top 30%
UN Unknown: 2 patents #12,644 of 83,584Top 20%
HP HP: 1 patents #8,774 of 16,619Top 55%
Overall (All Time): #79,421 of 4,157,543Top 2%
40
Patents All Time

Issued Patents All Time

Showing 25 most recent of 40 patents

Patent #TitleCo-InventorsDate
D925232 Handheld device Christopher C. Sappenfield 2021-07-20
10952411 Method, system and apparatus for detecting when an animal is in heat Niall Austin, Emmet Savage 2021-03-23
D860652 Handheld device Christopher C. Sappenfield 2019-09-24
9776409 Fluidic ejection device with layers having different light sensitivities Kevin Dooley, Liam Cheevers, Kenneth Hickey, Graeme Scott 2017-10-03
6888030 Advances in amination Wei-Yang Su, Wheeler C. Crawford 2005-05-03
6093854 Process for preparing alkanolamines from polyolefin epoxides Wei-Yang Su 2000-07-25
6063145 Fuel compositions containing etheramine alkoxylates Wei-Yang Su, Terry L. Renken 2000-05-16
5616811 Etheramine alkoxylates Jeffrey J. Vipond, Terry L. Renken, Howard M. Stridde 1997-04-01
5269956 Compatible corrosion inhibitor combinations David L. Miller 1993-12-14
5191139 Process for oligomerizing olefins using sulfate-activated group IV oxides John R. Sanderson, John F. Knifton 1993-03-02
5189233 Process for the production of cyclohexane by liquid phase hydrogenation of benzene James H. Templeton, Donald H. Champion 1993-02-23
5099073 Catalytic process for the production of diketone derivatives of polyoxypropylene glycols John R. Sanderson 1992-03-24
5085793 Corrosion-inhibited antifreeze/coolant composition Jeffrey M. Burns, John R. Sanderson, David R. McCoy 1992-02-04
5072050 Ketone-terminated polyoxyalkylene compounds John R. Sanderson, Edward T. Marquis 1991-12-10
5003107 Catalytic method for the reductive amination of poly(oxytetramethyle) glycols Robert L. Zimmerman 1991-03-26
4992590 Polyamines by amination of polyamino initiated polyoxyalkylene glycols Michael Cuscurida, Kathy B. Sellstrom, Robert A. Grigsby, Jr. 1991-02-12
4980503 Conversion of glycol formates to monocarboxylic acids George P. Speranza 1990-12-25
4978785 Oxidation of polyoxypropylene glycols to acids and ketones John R. Sanderson 1990-12-18
4873380 Catalyst for removing peroxide contaminants from tertiary butyl alcohol John R. Sanderson 1989-10-10
4847417 Bis(diaminopolyalkoxy)-N-alkylamines by amination of hydroxyl-containing tertiary amines George P. Speranza 1989-07-11
4831191 Catalytic conversion of allyl formate to carboxylic acids 1989-05-16
4827039 Nitrilo(tris)polyoxyalkyleneamines in a reaction injection molding process Michael Cuscurida 1989-05-02
4827038 Bis(diaminopolyalkoxy)-N-alkylamines by amination of hydroxyl-containing tertiary amines George P. Speranza 1989-05-02
4825000 Phenyl glycidyl ether modified polyoxyalkylene diamines and epoxy resin compositions therefrom Robert L. Zimmerman, Michael Cuscurida, Harold G. Waddill 1989-04-25
4810261 Reaction product additive and ori-inhibited motor fuel composition Rodney L. Sung, Milton D. Behrens, Michael A. Caggiano, John F. Knifton, Robert L. Zimmerman 1989-03-07