Biddanda U. Achia — 12 Patents at ExxonMobil

Biddanda U. Achia has been granted 12 US patents while listed as an inventor at ExxonMobil. The first was granted in 1980 and the most recent in March 2003. Biddanda U. Achia ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Biddanda U. Achia in Sarnia, ON, CA.

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
6534318	Mass spectrometric multivariate analysis	Stilianos G. Roussis, Barbara Shannon, Olga Puzic	2003-03-18	$175,455,000
6258255	Method for enhancing asphalt properties	Mary Josephine Gale, Lyle E. Moran, James D. Bell	2001-07-10	$293,180,000
5306681	Method for recovery or maintaining the activity of hydroisomerization catalysts	James J. Schorfheide	1994-04-26	$61,994,000
5212128	Method for recovering or maintaining the activity of hydroisomerization catalysts	James J. Schorfheide	1993-05-18	$55,140,000
5059299	Method for isomerizing wax to lube base oils	Ian A. Cody, James D. Bell, Theodore H. West, William A. Wachter	1991-10-22	$96,325,000
4937399	Method for isomerizing wax to lube base oils using a sized isomerization catalyst	William A. Wachter, Ian A. Cody, Glen P. Hamner	1990-06-26	$31,705,000
4673485	Process for increasing deasphalted oil production from upgraded residua	Duncan J. Bristow, Lawrence J. Evers	1987-06-16	$40,468,000
4594142	Dewaxing waxy hydrocarbon oils using di-alkyl fumarate-vinyl laurate copolymer dewaxing aids	Abraham R. DeKraker, Albert Rossi	1986-06-10	$62,008,000
4592832	Process for increasing Bright Stock raffinate oil production	Duncan J. Bristow, Lawrence J. Evers	1986-06-03	$11,170,000
4522710	Method for increasing deasphalted oil production	David H. Shaw, James D. Bushnell	1985-06-11	$16,388,000
4377467	Solvent dewaxing waxy hydrocarbon oils using dewaxing aid	—	1983-03-22	$22,792,000
4203824	Polyvinylpyrrolidone dewaxing aid for bright stocks	David H. Shaw	1980-05-20	$12,187,000

Biddanda U. Achia — 12 Patents

Issued Patents All Time

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