Thomas K. Schaaf has been granted 8 US patents while listed as an inventor at Pfizer . The first was granted in 1980 and the most recent in June 1984. Thomas K. Schaaf ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Thomas K. Schaaf in Old Lyme, CT, US.
Patents per Year Patents granted per year, 1980 to 1984 Bar chart with a peak of 2 patents in 1980. peak 2 1980: 2 patents 1980 1981: 2 patents 1981 1982: 2 patents 1982 1983: 1 patents 1983 1984: 1 patents 1984
Issued Patents All Time
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Showing 1–8 of 8 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
4455421 11-Desoxy-16-aryloxy-.omega.-tetranorprostaglandins Jasjit S. Bindra , James F. Eggler , Michael R. Johnson 1984-06-19
$35,464,000
4404372 15-Substituted-.omega.-pentanorprostaglandin derivatives Michael R. Johnson , Hans-Jurgen E. Hess 1983-09-13
$9,526,000
4365077 11-Desoxy-16-aryloxy-.omega.-tetranorprostaglandins Jasjit S. Bindra , James F. Eggler , Michael R. Johnson 1982-12-21
$15,687,000
4342868 2-Descarboxy-2-(tetrazol-5-yl)-16,16-dimethyl-17-( 2-furyl)-.omega.-trisnorprostaglandin E.sub.2 Michael R. Johnson , Hans-Jurgen E. Hess 1982-08-03
$2,938,000
4292444 Sulfonyl prostaglandin carboxamide derivatives James F. Eggler 1981-09-29
$16,929,000
4243595 15-Substituted-omega-pentanorprostaglandins Hans-Jurgen E. Hess , Michael R. Johnson , Jasjit S. Bindra 1981-01-06
$5,791,000
4232173 15-Sulfonamidoprostaglandin derivatives James F. Eggler 1980-11-04
4214099 Intermediates for synthesis of precursors for prostaglandins Elias J. Corey , Jasjit S. Bindra 1980-07-22
$4,844,000
