Rolfe J. Hartley

Person

Lemay, MO, US

People

Patents Grantslast 30 patents

Information Patent Grant
Gear oil additive concentrates and lubricants containing them
- Patent number 6,096,691
- Issue date Aug 1, 2000
- Ethyl Corporation
- Gregory S. Conary
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Lubricating oil compositions and concentrates and the use thereof
- Patent number 5,652,201
- Issue date Jul 29, 1997
- Ethyl Petroleum Additives Inc.
- Andrew G. Papay
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Lubricant additive compositions
- Patent number 5,612,295
- Issue date Mar 18, 1997
- Ethyl Corporation
- Donald R. Bell
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Oil-soluble phosphorus- and nitrogen-containing additives
- Patent number 5,573,696
- Issue date Nov 12, 1996
- Ethyl Corporation
- Joe Hughes
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Gear oil compositions
- Patent number 5,571,445
- Issue date Nov 5, 1996
- Ethyl Corporation
- Sanjay Srinivasan
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Oil-soluble phosphorus- and nitrogen-containing additives
- Patent number 5,500,140
- Issue date Mar 19, 1996
- Ethyl Corporation
- Joe Hughes
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Automatic transmission fluids and additives therefor
- Patent number 5,441,656
- Issue date Aug 15, 1995
- Ethyl Petroleum Additives, Inc.
- Hiroko Ohtani
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Automatic transmission fluids and additives therefor
- Patent number 5,387,346
- Issue date Feb 7, 1995
- Ethyl Petroleum Additives, Inc.
- Rolfe J. Hartley
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Automatic transmission fluids and additives therefor
- Patent number 5,372,735
- Issue date Dec 13, 1994
- Ethyl Petroleum Additives, Inc.
- Hiroko Ohtani
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Ashless or low-ash synthetic base compositions and additives therefor
- Patent number 5,360,562
- Issue date Nov 1, 1994
- Ethyl Petroleum Additives, Inc.
- Douglas R. Chrisope
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Gear oil compositions
- Patent number 5,358,650
- Issue date Oct 25, 1994
- Ethyl Corporation
- Sanjay Srinivasan
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Friction modifier compositions and their use
- Patent number 5,344,579
- Issue date Sep 6, 1994
- Ethyl Petroleum Additives, Inc.
- Hiroko Ohtani
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Ashless or low-ash synthetic base compositions and additives therefor
- Patent number 5,089,156
- Issue date Feb 18, 1992
- Ethyl Petroleum Additives, Inc.
- Douglas R. Chrisope
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Oil-soluble phosphorus antiwear additives for lubricants
- Patent number 4,857,214
- Issue date Aug 15, 1989
- Ethylk Petroleum Additives, Inc.
- Andrew G. Papay
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Rolfe J. Hartley

Person

Patents Grantslast 30 patents

Gear oil additive concentrates and lubricants containing them

Lubricating oil compositions and concentrates and the use thereof

Lubricant additive compositions

Oil-soluble phosphorus- and nitrogen-containing additives

Gear oil compositions

Oil-soluble phosphorus- and nitrogen-containing additives

Automatic transmission fluids and additives therefor

Automatic transmission fluids and additives therefor

Automatic transmission fluids and additives therefor

Ashless or low-ash synthetic base compositions and additives therefor

Gear oil compositions

Friction modifier compositions and their use

Ashless or low-ash synthetic base compositions and additives therefor

Oil-soluble phosphorus antiwear additives for lubricants