Robert Perron
50Patents
10h-index
30Co-inventors
78Inventor score
Filing activity: Jan 9, 1976 → Mar 17, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4430506A | Hydrocarbonylation/carbonylation of alkyl carboxylates | Chemistry; Metallurgy | 21 | Expired |
| US5908805A | Preparation of transition metal/phosphine catalysts by hydrogen reduction | Performing Operations; Transporting | 19 | Expired |
| US5488129A | Hydrocyanation of olefinically unsaturated nitriles into dinitrile compounds | Chemistry; Metallurgy | 17 | Expired |
| US5856555A | Process for the hydrocyanation of organic compounds containing ethylenic unsaturation | Performing Operations; Transporting | 17 | Expired |
| US4306091A | Process for the preparation of acetaldehyde | Chemistry; Metallurgy | 16 | Expired |
| US5770768A | Method for preparing carboxylic acids by carbonylation in the presence of iridium | Chemistry; Metallurgy | 15 | Expired |
| US4152352A | Process for the carbonylation of aralkylhalides | Chemistry; Metallurgy | 15 | Expired |
| US5773642A | Process for the preparation of carboxylic acids or the corresponding esters in the presence of a soluble catalyst based on iridium and iodides | Chemistry; Metallurgy | 14 | Expired |
| US4293718A | Preparation of acetaldehyde | Chemistry; Metallurgy | 11 | Expired |
| US5883289A | Preparation of carboxylic acids or related esters by carbonylation in the presence of iridium | Chemistry; Metallurgy | 10 | Expired |
| US5625094A | Rhodium/iridium catalyzed synthesis of carboxylic acids or esters thereof | Chemistry; Metallurgy | 9 | Expired |
| US4431835A | Hydrocarbonylation/carbonylation of alkyl carboxylates | Chemistry; Metallurgy | 9 | Expired |
| US5763655A | Preparation of pentenoic acids via hydroxycarbonylation of butadiene | Chemistry; Metallurgy | 7 | Expired |
| US4500474A | Carbonylation of methyl acetate | Chemistry; Metallurgy | 6 | Expired |
| US4247720A | Process for preparing -trimethylhydroquinone | Chemistry; Metallurgy | 5 | Expired |
| US4324927A | Process for the homologization of methanol | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4609504A | Process for the preparation of acetic anhydride | Chemistry; Metallurgy | 5 | Expired |
| US5679237A | Electrochemical synthesis of transition metal/phosphine catalyst compounds | Performing Operations; Transporting | 5 | Expired |
| US5312979A | Preparation of adipic acid by hydrocarboxylation of pentenoic acids | Chemistry; Metallurgy | 4 | Expired |
| US4426537A | Preparation of carboxylic acids by carbonylation of alcohols | Chemistry; Metallurgy | 4 | Expired |
| US4353844A | Preparation of anhydrides by carbonylation of esters | Chemistry; Metallurgy | 4 | Expired |
| US6395927B1 | Method for preparing acetic acid and/or methyl acetate by isomerization and carbonylation | Chemistry; Metallurgy | 3 | Expired |
| US4997978A | Preparation of alkyl carboxylates by hydrocarbonylation | Chemistry; Metallurgy | 3 | Expired |
| US5026900A | Process for the preparation of dialkyl malonates | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5081292A | Preparation of .beta., .gamma.-unsaturated carboxylic acids | Chemistry; Metallurgy | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.