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Westfield, NJ, United States of America

John E Johnston

USPTO Granted Patents = 13

Average Co-Inventor Count = 3.6

ph-index = 9

Forward Citations = 262(Granted Patents)

Location History:

Westfield, NJ (US) (1985 - 1994)
Warren, NJ (US) (1997 - 2006)

Company Filing History:

10 out of 1,415

Exxon Chemical Patents, Inc.

Exxon Research and Engineering Company

Exxonmobil Research and Engineering Company

4. 1 out of 131

Toyota Motor Corporation

where one patent can have more than one assignee

Years Active: 1985-2006

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7052597 - Tuning fuel composition for driving cycle conditions in spark ignition engines (2006-05-30),

2. 6206940 - Fuel formulations to extend the lean limit (law770) (2001-03-27),

3. 5674822 - Synthetic ester base stocks for low emission lubricants (1997-10-07),

4. 5356551 - Multifunctional viscosity index improver for lubricating oil compositions (1994-10-18),

5. 5262075 - Multifunctional viscosity index improver exhibitng improved low (1993-11-16),

6. 5252238 - Multifunctional viscosity index improver derived from amido-amine (1993-10-12),

7. 5167848 - Grafted viscosity index improver (1992-12-01),

8. 5053151 - Multifunctional viscosity index improver derived from amido-amine (1991-10-01),

9. 5035821 - End-capped multifunctional viscosity index improver (1991-07-30),

10. 4900461 - Viscosity modifier polymers (E-98) (1990-02-13),

11. 4804794 - Viscosity modifier polymers (1989-02-14),

12. 4749505 - Olefin polymer viscosity index improver additive useful in oil (1988-06-07),

13. 4507515 - Lubricating oil compositions containing ethylene-alpha-olefin polymers (1985-03-26),

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