Yee-Shing Wong
18Patents
6h-index
18Co-inventors
63Inventor score
Filing activity: Jun 10, 1977 → Nov 23, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5739321A | 3-hydroxy .gamma.-lactone based enantionselective synthesis of azetidinones | Human Necessities | 43 | Expired |
| US5760232A | Synthesis of intermediates useful in preparing bromo-substituted tricyclic compounds | Chemistry; Metallurgy | 41 | Expired |
| US5886171A | 3-hydroxy gamma-lactone based enantioselective synthesis of azetidinones | Chemistry; Metallurgy | 32 | Expired |
| US6096883A | 3-hydroxy gamma-lactone based enantioselective synthesis of azetidinones | Chemistry; Metallurgy | 24 | Expired |
| US4209464A | Novel synthesis of 3-amino-2-methylbenzotrifluoride from N-(2-X-5-trifluoromethylphenyl)-S,S-dimethylsulfimide | Chemistry; Metallurgy | 10 | Expired |
| US4172095A | Novel synthesis of 3-amino-2-methylbenzotrifluoride and the intermediates thereof | Chemistry; Metallurgy | 9 | Expired |
| US5998620A | Synthesis of intermediates useful in preparing tricyclic compounds | Chemistry; Metallurgy | 3 | Expired |
| US6372909B1 | Synthesis of intermediates useful in preparing tricyclic compounds | Chemistry; Metallurgy | 2 | Expired |
| US6492519B2 | Synthesis of intermediates useful in preparing tricyclic compounds | Chemistry; Metallurgy | 1 | Expired |
| US5053502A | Anhydro penicillin derivatives | Emerging Cross-Sectional Technologies | 1 | Expired |
| US6495689B2 | Synthesis of intermediates useful in preparing tricyclic compounds | Chemistry; Metallurgy | 0 | Expired |
| US7582763B2 | Enantioselective process | Chemistry; Metallurgy | 0 | Active |
| US5461148A | Process for preparing benzazepine intermediates for the synthesis of D1 antagonists | Chemistry; Metallurgy | 0 | Expired |
| US7049440B2 | Enantioselective process | Chemistry; Metallurgy | 0 | Expired |
| US4554103A | Preparation of 4-acyloxyazetidinones from acyl nitrates and penams | Chemistry; Metallurgy | 0 | Expired |
| US6750347B2 | Synthesis of intermediates useful in preparing tricyclic compounds | Chemistry; Metallurgy | 0 | Expired |
| US4948885A | Synthesis of azetidinones | Emerging Cross-Sectional Technologies | 0 | Expired |
| US4876338A | Synthesis of azetidinones using CuCl | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.