Inventor

SHUM WILFRED P

US20 patents

⚠️ This page may combine multiple inventors who share the name “SHUM WILFRED P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SHUM WILFRED P

ARCO CHEM TECH

Hydroformylation process

Butanediol production

Process for the preparation of trisubstituted ureas by reductive carbonylation

Asymmetric epoxidation using a chiral hydroperoxide

Olefin epoxidation using a perrhenate catalyst and an organic hydroperoxide

Olefin expoxidation using an oxorhenium porphyrin complex catalyst and an organic hydroperoxide

Process for producing enantiomerically enriched guaifenesin

Process for producing epoxyalcohols of high optical purity

Process for producing optically active epoxy alcohol derivatives

Process for the recovery of a water-insoluble epoxy alcohol

ATLANTIC RICHFIELD CO

Vanadotungstomolybdophosphoric acid oxidation catalyst

Production of molybdenum dioxo dialkyleneglycolate compositions for epoxidation of olefins

Production of molybdenum dioxo dialkyleneglycolate compositions for epoxidation of olefins

Oxidation of isobutylene oxide to methacrylic acid and methacrolein

Process for the oxidation of isobutylene oxide to methacrolein

Method for producing branched carbonylation products from alpha unsaturated olefins

High selectivity process for vapor phase oxydehydrogenation of alkanoic acids, such as isobutyric acid, using Dawson structure phosphomolybdic acid

ARCO CHEM CO

Epoxidation of olefins with molybdenum dioxo dialkyleneglycolate compositions

Asymmetric epoxidation of allylic alcohols

LYONDELL CHEMICAL TECH LP

Hydroformylation process