Michel Chartrain
22Patents
6h-index
50Co-inventors
68Inventor score
Filing activity: Jun 24, 1994 → Jul 25, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5491077A | Microbial method | Chemistry; Metallurgy | 75 | Expired |
| US6092955A | Apparatus for clamping together two members | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5894753A | Method of producing splines on a shaft | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5474919A | Bioconversion process for the synthesis of transhydroxy sulfone by Rhodotorula rubra or Rhodotorula piliminae | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5792871A | Process for N-Boc-N-(R)-2(3-pyridyl)-2-hydroxy-ethyl)-N-2(4-aminophenyl)ethyl amine and 2-(4-aminophenyl)-N-2-(2(R)-hydroxy-2-phyridin-S-yl-ethyl)acetamide | Chemistry; Metallurgy | 8 | Expired |
| US5929243A | Process for the preparation of (S)-3-carbethoxy-3-benzylpiperidine | Chemistry; Metallurgy | 6 | Expired |
| US5523233A | Enzymatic hydrolysis of 3,3-diethyl-4-[(4-carboxy)phenoxy]-2-azetidinone esters | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7107801B2 | Anti-theft locking means for a vehicle steering shaft | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5605819A | Quantitative conversion of indene to (1S,2R) indene oxide and (1S,2R)-indandiol by combination of haloperoxidase bioconversion and chemical steps | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5858737A | Conversion of indene to (1S)-amino-(2R)-indanol free of any stereoisomer, by combination of dioxygenase bioconversion and chemical steps | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5846791A | N-(R)-(2-hydroxy-2-pyridine-3-yl-ethyl)-2-(4-nitro-phenyl)-acetamide | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6207444A | Enzymatic process of making alpha 1a adrenergic receptor antagonists using protease | Chemistry; Metallurgy | 2 | Expired |
| US7998732B2 | Process for large scale production of plasmid DNA by E. coli fermentation | Chemistry; Metallurgy | 2 | Active |
| US5871981A | Conversion of indene to (1S)-amino-(2R)-indanol free of any steroisomer by combination of fermentation of Rhodococcus sp. ATCC 55805 and chemical steps | Chemistry; Metallurgy | 2 | Expired |
| US6228622A | 11-hydroxysordarin and a process for producing it using actinomyces SSP | Human Necessities | 1 | Expired |
| US5849568A | Resolution of racemic indene oxide to yield (1S,2R)-indene oxide using Diplodia gossipina | Chemistry; Metallurgy | 1 | Expired |
| US8603798B2 | Process for large scale production of plasmid DNA by E. coli fermentation | Chemistry; Metallurgy | 0 | Active |
| US5534422A | Bioconversion of beta keto-ester to (R) hydroxyester | Emerging Cross-Sectional Technologies | 0 | Expired |
| US5958743A | Stereospecific bioconversion of benzyl acetoacetate to benzyl-(s)-(+)-hydroxybutyrate | Emerging Cross-Sectional Technologies | 0 | Expired |
| US6121026A | Enantioselective bioreduction using yeast | Chemistry; Metallurgy | 0 | Expired |
| US5900368A | Process for bioreduction of bisaryl ketone to bisaryl alcohol | Emerging Cross-Sectional Technologies | 0 | Expired |
| US5464762A | Asymmetric bioreduction of 6-bromo-2-tetralone to (s)-6-bromo-2 tetraol by trichosporon capitatum | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.