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W. Alan Sweeney — 7 Patents

Chevron: 7 patents #678 of 4,788Top 15%
Larkspur, CA: #29 of 118 inventorsTop 25%
California: #83,669 of 386,348 inventorsTop 25%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
W. Alan Sweeney has been granted 7 US patents while listed as an inventor at Chevron. The first was granted in 1980 and the most recent in April 1990. W. Alan Sweeney ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list W. Alan Sweeney in Larkspur, CA, US.

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4915786 Nonionic emulsifier and substituted succinic anhydride compositons therewith 1990-04-10 $36,456,000
4695401 Nonionic emulsifier and substituted succinic anhydride compositions therewith 1987-09-22 $10,028,000
4374648 Motor fuel composition 1983-02-22 $24,266,000
4354855 Motor fuel 1982-10-19 $16,172,000
4302214 Motor fuel composition 1981-11-24 $24,712,000
4243777 Polypyrrolidone alloys 1981-01-06 $21,435,000
4181662 2-Pyrrolidone production 1980-01-01