Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
SC

Steven P. Current

Chevron: 16 patents #265 of 4,788Top 6%
Novato, CA: #52 of 607 inventorsTop 9%
California: #37,514 of 386,348 inventorsTop 10%
Overall (All Time): #302,757 of 4,157,543Top 8%
16 Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
6323288 Compositions having ethylenic backbone and benzylic, allylic, or ether-containing side-chains, oxygen scavenging compositions containing same, and process for making these compositions by esterification or transesterification of a polymer melt Ta Yen Ching, Kiyoshi Katsumoto, Leslie P. Theard 2001-11-27
5859145 Compositions having ethylenic backbone and benzylic, allylic, or ether-containing side-chains, oxygen scavenging compositions containing same, and process for making these compositions by esterification or transesterification of a polymer melt Ta Yen Ching, Kiyoshi Katsumoto, Leslie P. Theard 1999-01-12
5837779 Process for producing ionomers employing ethylene terpolymers Leslie P. Theard 1998-11-17
5736616 Compositions having ethylenic backbone and benzylic allylic or ether-containing side-chains oxygen scavenging compositions containing same and process for making these compositions by esterification or transesterification of a polymer melt Ta Yen Ching, Kiyoshi Katsumoto, Leslie P. Theard 1998-04-07
5660761 Multi-component oxygen scavenger system useful in film packaging Kiyoshi Katsumoto, Ta Yen Ching, Leslie P. Theard 1997-08-26
5627239 Compositions having ethylenic backbone and benzylic, allylic, or ether-containing side-chains, oxygen scavenging compositions containing same, and process for making these compositions by esterification or transesterification of a polymer melt Ta Yen Ching, Kiyoshi Katsumoto, Leslie P. Theard 1997-05-06
5110487 Enhanced oil recovery method using surfactant compositions for improved oil mobility 1992-05-05
5005644 Steam enhanced oil recovery method using branched alkyl aromatic sulfonates Robert G. Wall, Francois Friedmann 1991-04-09
4628113 Alcohol carbonylation process using a bimetallic cobalt catalyst 1986-12-09
4628114 Carboxylic acid ester homologation using a sulfided nickel catalyst 1986-12-09
4625050 Ether homologation to esters and alcohols using a heterogeneous sulfided catalyst 1986-11-25
4625051 Carboxylic acid ester homologation using a sulfided cobalt catalyst 1986-11-25
4625049 Alcohol carbonylation process using a bimetallic nickel catalyst 1986-11-25
4614832 Dialkyl oxalates from carbon monoxide and an alcohol 1986-09-30
4523029 Oxidative carbonylation of alcohols to produce dialkyl oxalates 1985-06-11
4281174 Oxidative carbonylation of alcohols to produce dialkyl oxalates 1981-07-28