Frank Plavac — 20 Patents at Chevron

Frank Plavac has been granted 20 US patents while listed as an inventor at Chevron. The first was granted in 1985 and the most recent in April 2014. Frank Plavac ranks #214,803 of 4,157,543 US inventors in our database (top 5.2%). Patent records list Frank Plavac in Pinole, CA, US.

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
8703679	Glycerol-containing functional fluid	Yue Li, Rawls Frazier	2014-04-22
7414013	Sulfurized polyisobutylene based wear and oxidation inhibitors	Kenneth D. Nelson	2008-08-19	$501,292,000
6884855	Sulfurized polyisobutylene based wear and oxidation inhibitors	Kenneth D. Nelson	2005-04-26	$415,279,000
6368370	Fuel compositions containing hydroxyalkyl-substituted amines	Edward T. Sabourin, Thomas F. Buckley, III, Curtis B. Campbell	2002-04-09	$279,346,000
6346129	Fuel compositions containing hydroxyalkyl-substituted polyamines	Edward T. Sabourin, Thomas F. Buckley, III, Curtis B. Campbell, Mary J. Tompkins	2002-02-12	$568,613,000
5752991	Very long chain alkylphenyl polyoxyalkylene amines and fuel compositions containing the same	—	1998-05-19	$136,511,000
4904278	Modified succinimides	Robert H. Wollenberg	1990-02-27	$56,345,000
4840744	Modified succinimides and lubricating oil compositions containing the same	Robert H. Wollenberg, Timothy R. Erdman	1989-06-20	$66,788,000
4802893	Modified Succinimides	Robert H. Wollenberg	1989-02-07	$12,992,000
4798612	Modified succinimides (x)	Robert H. Wollenberg	1989-01-17	$68,476,000
4747850	Modified succinimides in fuel composition	Robert H. Wollenberg	1988-05-31	$16,644,000
4747965	Modified succinimides	Robert H. Wollenberg	1988-05-31	$16,644,000
4746446	Modified succinimides	Robert H. Wollenberg, Timothy R. Erdman	1988-05-24	$24,955,000
4728451	Lubricating oil compositions containing poly(oxyalkylene) aminoether carbamates as dispersing agents	—	1988-03-01	$47,312,000
4695291	Poly(oxyalkylene) aminoether carbamates as deposit control additives	—	1987-09-22	$10,028,000
4680129	Modified succinimides (x)	—	1987-07-14	$64,100,000
4631070	Glycidol modified succinimides and fuel compositions containing the same	—	1986-12-23	$46,486,000
4617137	Glycidol modified succinimides	—	1986-10-14	$30,546,000
4612132	Modified succinimides	Robert H. Wollenberg, Timothy R. Erdman	1986-09-16	$26,987,000
4521610	Poly(oxyalkylene) aminoether carbamates as deposit control additives	—	1985-06-04	$10,554,000

Frank Plavac — 20 Patents

Issued Patents All Time

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