Philippe Denis
30Patents
5h-index
37Co-inventors
69Inventor score
Filing activity: May 10, 1985 → Oct 19, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5770768A | Method for preparing carboxylic acids by carbonylation in the presence of iridium | 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 |
| 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 |
| US6245936A | Process for the selective preparation of a 2-hydroxybenzoic acid and a 4-hydroxybenzaldehyde and derivatives thereof | Chemistry; Metallurgy | 6 | Expired |
| US5420346A | Preparation of adipic acid by hydrocarboxylation of pentenic acids | Chemistry; Metallurgy | 5 | Expired |
| US4593140A | Process for dimerizing conjugated dienes | Chemistry; Metallurgy | 5 | Expired |
| US5198577A | Preparation of adipic acid by hydrocarbonylation of pentenic acids | Chemistry; Metallurgy | 4 | Expired |
| US5312979A | Preparation of adipic acid by hydrocarboxylation of pentenoic acids | Chemistry; Metallurgy | 4 | Expired |
| US5227522A | Preparation of adipic acid by hydrocarboxylation of pentenic acids | Chemistry; Metallurgy | 4 | Expired |
| US5670701A | Preparation of alkyl adipates | Chemistry; Metallurgy | 3 | Expired |
| US5347959A | Steam generator supplied with secondary water from the bottom part | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US5268505A | Preparation of adipic acid by hydrocarboxylation of pentenic acids | Chemistry; Metallurgy | 3 | Expired |
| US5081292A | Preparation of .beta., .gamma.-unsaturated carboxylic acids | Chemistry; Metallurgy | 2 | Expired |
| US4857657A | Preparation of hexenedioic acid diesters | Chemistry; Metallurgy | 2 | Expired |
| US5587056A | Separation of aliphatic diacids from adipic acid admixtures thereof | Chemistry; Metallurgy | 1 | Expired |
| US5179231A | Preparation of hexene-1,6-dioic acids | Chemistry; Metallurgy | 1 | Expired |
| US10630302B2 | Optically pumped atomic clock and associated manufacturing process | Physics | 1 | Active |
| US5087735A | Preparation of hexenedioic acid diesters | Chemistry; Metallurgy | 1 | Expired |
| US5973197A | Process for the preparation of carboxylic acids by carbonylation in the presence of rhodium | Chemistry; Metallurgy | 1 | Expired |
| US7049909B2 | Ceramic microwave window having a prestressed ring surrounding the window | Electricity | 1 | Expired |
| US6008408A | Process for the hydroxycarbonylation of pentenoic acids | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5354887A | Preparation of hexene-1,6-dioic acids | Chemistry; Metallurgy | 0 | Expired |
| US5950719A | Fluid-circulation heat exchanger, in particular for an electron tube | Emerging Cross-Sectional Technologies | 0 | Expired |
| US5227523A | Preparation of adipic acid by hydrocarbonylation of pentenic acids | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.