Michael Roper
45Patents
12h-index
81Co-inventors
84Inventor score
Filing activity: Aug 8, 1985 → Mar 7, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4757024A | Immune complex detection method and article using immunologically non-specific immunoglobulins | Emerging Cross-Sectional Technologies | 64 | Expired |
| US6906222B2 | Preparation for production of formic acid formates | Chemistry; Metallurgy | 35 | Expired |
| US6225507A | Method of preparing aldehydes by hydroformylation with a rhodium catalyst and recovery of the rhodium catalyst by extraction | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6310261A | Method for the production of aldehydes | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5696297A | Preparation of aldehydes | Chemistry; Metallurgy | 18 | Expired |
| US6765119B2 | Method of producing saturated C3-C20-alcohols | Chemistry; Metallurgy | 17 | Expired |
| US6737553B1 | Method for producing surfactant alcohols and surfactant alcohol ethers, the resulting products and their use | Chemistry; Metallurgy | 16 | Expired |
| US6440891B1 | Catalyst comprising a complex of a metal of subgroup VIII, on the basis of a phosphonite ligand and method for hydroformylation | Performing Operations; Transporting | 16 | Expired |
| US6331656A | Hydroformylation process | Chemistry; Metallurgy | 15 | Expired |
| US6723882B2 | Preparation of dialkyl ketones | Performing Operations; Transporting | 13 | Expired |
| US5919987A | Preparation of alcohols and/or aldehydes | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6916954B2 | Catalyst system and method for carbonylation | Performing Operations; Transporting | 12 | Expired |
| US7145042B2 | Method for producing dialdehydes and or ethylenically unsaturated monoaldehydes by hydroformylating ethylenically unsaturated compounds | Chemistry; Metallurgy | 12 | Expired |
| US6963014B1 | C13 alcohol mixture and functionalised C13 alcohol mixture | Chemistry; Metallurgy | 12 | Expired |
| US8362308B2 | Process for preparing a C4-olefin mixture by selective hydrogenation and metathesis process for using this stream | Emerging Cross-Sectional Technologies | 10 | Active |
| US6844463B2 | Method for the carbonylation of pentenoic acid and its derivatives thereof | Chemistry; Metallurgy | 9 | Expired |
| US6852661B1 | Catalyst comprising a metal complex of the VIII subgroup based on a phosphine amidite ligand and its utilization for hydroformylation and hydrocyanation | Performing Operations; Transporting | 9 | Expired |
| US6906230B1 | Method for producing alcohol surfactants and alcohol ether surfactants, the products obtained and their use | Chemistry; Metallurgy | 8 | Expired |
| US5717126A | Phosphorous-containing calixarenes | Performing Operations; Transporting | 8 | Expired |
| US4753893A | Method and article for detection of immune complexes | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5705707A | Preparation of n-butyraldehyde and/or n-butanol | Chemistry; Metallurgy | 6 | Expired |
| US6977312B2 | Phosphor, arsenic and antimony compounds based upon diaryl-anellated bicyclo[2.2.n] parent substances and catalysts containing same | Performing Operations; Transporting | 6 | Expired |
| US6020441A | Hydroformylation of ethylenically unsaturated polymers in aqueous dispersion | Chemistry; Metallurgy | 4 | Expired |
| US5892125A | Preparation of n-butyraldehyde and/or n-butanol | Chemistry; Metallurgy | 4 | Expired |
| US6166265A | Processes for the preparation of n-butyraldehyde, n-butanol and mixtures thereof | Chemistry; Metallurgy | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.