WS

Wilfred P. Shum

AT Arco Chemical Technology: 15 patents #21 of 285Top 8%
AR Atlantic Richfield: 7 patents #65 of 1,061Top 7%
LT Lyondell Chemical Technology: 3 patents #50 of 123Top 45%
AC Arco Chemical: 2 patents #8 of 42Top 20%
📍 Plainsboro, NJ: #70 of 1,381 inventorsTop 6%
🗺 New Jersey: #2,630 of 69,400 inventorsTop 4%
Overall (All Time): #147,261 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDate
8722557 Catalyst regeneration 2014-05-13
7612241 Hydroformylation process Daniel F. White, David John Cole-Hamilton 2009-11-03
6969780 Production of butanediol Walter S. Dubner 2005-11-29
6803491 Preparation of lithium phosphate catalysts 2004-10-12
6426437 Hydroformylation process 2002-07-30
6225509 Allyl alcohol hydroformylation Walter S. Dubner 2001-05-01
6127584 Butanediol production John G. Zajacek 2000-10-03
5780655 Epoxidation process using a phosphate-stabilized peroxotungstate compound as catalyst 1998-07-14
5663384 Asymetric epoxidation using a titanium-containing zeolite and a chiral hydroperoxide Robert J. Saxton, John G. Zajacek 1997-09-02
5495052 Process for producing enantiomerically enriched guaifenesin Harry Mazurek, Jian-Chyi Chen 1996-02-27
5288882 Process for recovering an optically active epoxy alcohol T. Thomas Shih 1994-02-22
5278070 Process for producing epoxyalcohols of high optical purity 1994-01-11
5252759 Process for producing optically active epoxy alcohol derivatives 1993-10-12
5241118 Process for the preparation of trisubstituted ureas by reductive carbonylation Robert J. Saxton, Edward T. Shawl, Haven S. Kesling, Jr., John G. Zajacek 1993-08-31
5166371 Asymmetric epoxidation using a chiral hydroperoxide Haven S. Kesling, Jr., John G. Zajacek 1992-11-24
5118822 Olefin epoxidation using a perrhenate catalyst and an organic hydroperoxide Haven S. Kesling, Jr. 1992-06-02
5103027 Olefin expoxidation using an oxorhenium porphyrin complex catalyst and an organic hydroperoxide Haven S. Kesling, Jr. 1992-04-07
4935101 Process for the recovery of a water-insoluble epoxy alcohol Christopher J. Sowa 1990-06-19
4772731 Epoxidation of olefins with molybdenum dioxo dialkyleneglycolate compositions Charles F. Cooper 1988-09-20
4764628 Asymmetric epoxidation of allylic alcohols 1988-08-16
4687868 Production of molybdenum dioxo dialkyleneglycolate compositions for epoxidation of olefins Charles F. Cooper 1987-08-18
4612390 Method for producing branched carbonylation products from alpha unsaturated olefins John F. White 1986-09-16
4607113 Production of molybdenum dioxo dialkyleneglycolate compositions for epoxidation of olefins Charles F. Cooper 1986-08-19
4607122 High selectivity process for vapor phase oxydehydrogenation of alkanoic acids, such as isobutyric acid, using Dawson structure phosphomolybdic acid John F. White, Eva M. Beals 1986-08-19
4558154 Oxidation of isobutylene oxide to methacrylic acid and methacrolein John F. White, Eva M. Beals 1985-12-10