David Leslie Andrew

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Arkona, CA

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Patents Grantslast 30 patents

Information Patent Grant
Grease containing diamine corrosion inhibitors
- Patent number 5,851,969
- Issue date Dec 22, 1998
- Exxon Research and Engineering Company
- David Leslie Andrew
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Manufacturing method for the production of polyalphaolefin based sy...
- Patent number 5,783,531
- Issue date Jul 21, 1998
- Exxon Research and Engineering Company
- David Leslie Andrew
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Lithium complex grease with extended lubrication life
- Patent number 5,731,274
- Issue date Mar 24, 1998
- Exxon Research and Engineering Company
- David Leslie Andrew
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Imide and pyrrolidone grease thickeners with terephthalate complexi...
- Patent number 5,585,335
- Issue date Dec 17, 1996
- Exxon Research and Engineering Company
- David L. Andrew
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...