Peter A. Tasker has been granted 11 US patents while listed as an inventor at Zeneca Limited . The first was granted in 1991 and the most recent in October 2010. Peter A. Tasker ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Peter A. Tasker in Dobcross, GB.
Patents per Year Patents granted per year, 1991 to 2010 Bar chart with a peak of 3 patents in 1994. peak 3 1991: 1 patents 1991 1992: 2 patents 1992 1993: 1 patents 1993 1994: 3 patents 1994 1999: 1 patents 1999 2000: 2 patents 2000 2010: 1 patents 2010
Issued Patents All Time
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Showing 1–11 of 11 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
7807610 Lubricating oil compositions Steve Harris 2010-10-05
RE36990 Chemical process for the recovery of metal from an organic complex Domenico C. Cupertino 2000-12-19
6139752 Composition and method for selectively removing metal ions from an aqueous solution Leonard Francis Lindoy , Ian Murray Atkinson , Derek Thorp 2000-10-31
$35,746,000
RE36118 Chemical process of separating metals from an organic complex Domenico C. Cupertino 1999-03-02
5364452 Chemical process for the recovery of metal from an organic complex Domenico C. Cupertino 1994-11-15
5342937 Heterocyclic thione Peter W. Austin , Peter M. Quan , Derek Thorp 1994-08-30
$2,817,000
5332420 Chemical process of separating metals from an organic complex Domenico C. Cupertino 1994-07-26
$875,000
5213701 Composition containing an oligomeric 1,2,3-trihydroxybenzene additive Jeremy Holmes 1993-05-25
$311,000
5173210 Composition and use Leonard Francis Lindoy , Darren S. Baldwin 1992-12-22
$631,000
5169991 Compound Jeremy Holmes 1992-12-08
$642,000
5074911 Heterocyclic thione Peter W. Austin , Peter M. Quan , Derek Thorp 1991-12-24