Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JB

James A. Barker — 6 Patents

WIWitco: 4 patents #14 of 201Top 7%
ALAssociated Octel Company Limited: 1 patents #15 of 41Top 40%
Memphis, TN: #296 of 1,908 inventorsTop 20%
Tennessee: #3,162 of 20,272 inventorsTop 20%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
James A. Barker has been granted 6 US patents while listed as an inventor at Witco. The first was granted in 1993 and the most recent in November 1998. James A. Barker ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list James A. Barker in Memphis, TN, US.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5834058 Organometallic complexes of aluminium, gallium and indium Malcolm G. H. Wallbridge, Nicholas C. Blacker, Paul Richard Phillips 1998-11-10
5543451 Polyolefins/alkenyllactamide composition Bing-Lin Chen 1996-08-06 $5,701,000
5286525 Method of improving the printing of polyolefins with water-based inks Bing-Lin Chen 1994-02-15 $4,014,000
5237078 N-erucyl lactamide Bing-Lin Chen 1993-08-17 $6,317,000
5232966 Method of improving the printing of polyolefins with water-based inks Bing-Lin Chen 1993-08-03
5206273 Compositions and method for improving the slip of polyolefins and the adhesion of water based inks to polyolefins Bing-Lin Chen 1993-04-27 $4,745,000