Michel Spagnol
22Patents
5h-index
20Co-inventors
61Inventor score
Filing activity: Nov 22, 1994 → Feb 19, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6040484A | Phenol compound hydroxylation method | Chemistry; Metallurgy | 7 | Expired |
| US5817878A | Process for the acylation of aromatic ethers | Chemistry; Metallurgy | 6 | Expired |
| US6194616A | Acylation method for an aromatic compound | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5783738A | Optically active diphosphines, preparation thereof according to a process for the resolution of the racemic mixture and use thereof | Performing Operations; Transporting | 5 | Expired |
| US6362378B1 | Method for etherifying a benzyl alcohol, resulting products and applications | Chemistry; Metallurgy | 5 | Expired |
| US6166257A | Asymmetric hydrogenation method of a ketonic compound and derivative | Chemistry; Metallurgy | 5 | Expired |
| US6340775B1 | Method for reducing a carbonyl-containing compound | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6121496A | Aromatic thioether acylation method | Chemistry; Metallurgy | 3 | Expired |
| US6608232B1 | Method for preparing a benzylic-type ether | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6288279A | 6',6-bis-(1-phosphanorbornadiene) diphosphines | Chemistry; Metallurgy | 2 | Expired |
| US6037493A | Optically active diphosphines, preparation thereof according to a process for the resolution of the racemic mixture and use thereof | Performing Operations; Transporting | 2 | Expired |
| US6646106B1 | Optically active linear polymer used as ligand in the preparation of metallic complexes designed for asymmetric catalysis | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6610875B1 | Method for preparing chiral diphosphines | Chemistry; Metallurgy | 2 | Expired |
| US5618982A | Catalytic C-alkylation of ketones | Performing Operations; Transporting | 1 | Expired |
| US6683208B2 | Optically active diphosphines, preparation thereof according to a process for the resolution of the racemic mixture and use thereof | Performing Operations; Transporting | 0 | Expired |
| US6521795B2 | 6,6′-bis-(1-phosphanorbornadiene) diphosphines, their preparation and their uses | Chemistry; Metallurgy | 0 | Expired |
| US6204379A | Preparation of caprolactam | Emerging Cross-Sectional Technologies | 0 | Expired |
| US6380412B1 | Optically active diphosphines, preparation thereof according to a process for the resolution of the racemic mixture and use thereof | Performing Operations; Transporting | 0 | Expired |
| US6632969B1 | Method for separating a diphosphine diastereoisomers | Chemistry; Metallurgy | 0 | Expired |
| US6541674B2 | Process for the condensation of a carbonyl compound with an aromatic derivative in a basic medium | Chemistry; Metallurgy | 0 | Expired |
| US6013840A | Process for the acylation of aromatic ethers | Chemistry; Metallurgy | 0 | Expired |
| US6613945B1 | Resolution method for a racemic mixture of aldehydes | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.