Inventor · Ballwin, MO, US

Ping T. Wang

23Patents
4h-index
39Co-inventors
63Inventor score

Filing activity: Jun 12, 1981 → Apr 3, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US5981744A Processes for preparation of 9,11-epoxy steroids and intermediates useful therein Chemistry; Metallurgy 11 Expired
US5610039A Process for producing N-substituted-1-deoxynojirimycin Emerging Cross-Sectional Technologies 8 Expired
US4397947A Microbial process for 9.alpha.-hydroxylation of steroids Emerging Cross-Sectional Technologies 5 Expired
US6180780A Processes for preparation of 9,11-epoxy steroids and intermediates useful therein Chemistry; Metallurgy 4 Expired
US6610844B2 Processes for preparation of 9,11-epoxy steroids and intermediates useful therein Chemistry; Metallurgy 4 Expired
US7129345B2 Keto-substituted steroid compounds Chemistry; Metallurgy 3 Expired
US6214609A Method and apparatus for preparation of chiral beta amino acids using penicilln G acylase Chemistry; Metallurgy 3 Expired
US6277626A Process for the enzymatic resolution of lactams Chemistry; Metallurgy 3 Expired
US6887991B1 Processes for preparation of 9, 11-epoxy steroids and intermediates useful therein Chemistry; Metallurgy 3 Expired
US6630587B2 Processes for preparation of 9,11-epoxy steroids and intermediates useful therein Chemistry; Metallurgy 1 Expired
US6331622A Processes for preparation of 9, 11-epoxy steroids and intermediates useful therein Chemistry; Metallurgy 1 Expired
US7112669B2 Processes for preparation of 9,11-epoxy steroids and intermediates useful therein Chemistry; Metallurgy 1 Expired
US7238507B2 Aspergillus ochraceus 11 alpha hydroxylase and oxidoreductase Chemistry; Metallurgy 1 Expired
US6638758B2 Process for the enzymatic resolution of lactams Chemistry; Metallurgy 1 Expired
US7727750B2 Biocatalytic asymmetric reduction in preparation of (S)-N-[5-(1,2-dihydroxy-ethyl)-pyrazinyl]-2,2-dimethyl-propionamide Emerging Cross-Sectional Technologies 0 Active
US5916784A Process for microbially oxidizing N-substituted glucamines Emerging Cross-Sectional Technologies 0 Expired
US6552176B2 Salt forms of 6-n-butylamino-6-deoxy-&agr;-L-sorbofuranose Emerging Cross-Sectional Technologies 0 Expired
US6586591B2 Process for preparation of 9,11-epoxy steroids and intermediates useful therein Chemistry; Metallurgy 0 Expired
US6258946A Keto-Substituted Steroid Compounds Chemistry; Metallurgy 0 Expired
US6953851B2 Processes for preparation of 9,11-epoxy steroids and intermediates useful therein Chemistry; Metallurgy 0 Expired
US5602013A Process for producing N-substituted-1-deoxynojirimycin Emerging Cross-Sectional Technologies 0 Expired
US7033807B2 Aspergillus ochraceus 11 alpha hydroxylase and oxidoreductase Chemistry; Metallurgy 0 Expired
US7038040B2 Process for preparation of 9, 11-epoxy steroids and intermediates useful therein Chemistry; Metallurgy 0 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.