Rhone-Poulenc Recherches
15Patents
0Active
15Granted
33Portfolio score
Filing activity: Apr 2, 1984 → Jul 28, 1987
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4810384A | Hydrophilic PVDF semipermeable membrane | Chemistry; Metallurgy | 99 | Expired |
| US4805469A | Apparatus for automatically taking and analyzing samples of substances which are made available in random manner | Physics | 52 | Expired |
| US4675384A | Fractionation/purification of plasma by ion exchange chromatography | Human Necessities | 46 | Expired |
| US4636552A | Novel silicone/polylactone graft copolymer | Chemistry; Metallurgy | 33 | Expired |
| US4900626A | Hollow composite fibers selectively permeable to water vapor | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4564424A | Metallization of electrically insulating polymeric film substrates | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4698170A | Process for the preparation of very highly alkaline, calcium-based detergent-dispersant additives and products produced therefrom | Chemistry; Metallurgy | 16 | Expired |
| US4565606A | Metallization of electrically insulating polyimide/aromatic polyamide film substrates | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4665985A | Reversible plugging of oil bearing formations | Chemistry; Metallurgy | 14 | Expired |
| US4655898A | Electrophoretic fractionation apparatus | Physics | 13 | Expired |
| US4756725A | Trapping tube adapted to be fitted at the outlet of a gas chromatograph and device for supporting and presenting such a tube | Physics | 7 | Expired |
| US4668824A | Preparation of tri-(m-sulfophenyl)-phosphine | Chemistry; Metallurgy | 6 | Expired |
| US4714653A | Metallizable substrate composites and printed circuits produced therefrom | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4709005A | Thermotropic aromatic polyesters | Chemistry; Metallurgy | 1 | Expired |
| US4785660A | Process and installation for on-line analysis of a liquid product by liquid phase chromatography | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.