Assignee
RHONE POULENC SA
152 granted patents·2,869 citations·filing 1963–1996
Top patents by PatentIndex Score
152 records- 0195US4038519AElectrically heated flexible tube having temperature measuring probeRHONE POULENC SA·Filed 1974·Granted Jul 26, 1977·500 cites·12 claims
- 0295US3979284AArtificial haemodialysis kidneysRHONE POULENC SA·Filed 1975·Granted Sep 7, 1976·109 cites·3 claims
- 0394US4038190AFluid fractionation apparatus and method of manufacturing the sameRHONE POULENC SA·Filed 1974·Granted Jul 26, 1977·179 cites·12 claims
- 0494US3993816AHollow fiber assembly for use in fluid treatment apparatusRHONE POULENC SA·Filed 1974·Granted Nov 23, 1976·157 cites·19 claims
- 0592US3985134AExtracorporeal blood circuitRHONE POULENC SA·Filed 1974·Granted Oct 12, 1976·111 cites·8 claims
- 0691US4731266AWater-resistant polyvinyl alcohol film and its application to the preparation of gas-impermeable composite articlesRHONE POULENC SA·Filed 1985·Granted Mar 15, 1988·58 cites·25 claims
- 0787US3975294ASurface active compositionRHONE POULENC SA·Filed 1973·Granted Aug 17, 1976·44 cites·4 claims
- 0886US4886664ALow-water-activity inocula for biological controlRHONE POULENC SA·Filed 1983·Granted Dec 12, 1989·20 cites·53 claims
- 0986US4331814ASulphones having a 1,5-dimethyl-hexa-1,5-dienylene groupRHONE POULENC SA·Filed 1973·Granted May 25, 1982·14 cites·7 claims
- 1085US4098852AProcess for carring out a gas/liquid heat-exchangeRHONE POULENC SA·Filed 1975·Granted Jul 4, 1978·54 cites·18 claims
- 1185US4001271A3-(isopropyl amino alkoxy)-2-phenyl-isoindolin-1-onesRHONE POULENC SA·Filed 1974·Granted Jan 4, 1977·14 cites·6 claims
- 1284US4541894AMetallizable, essentially isotropic polymeric substrates well adopted for printed circuitsRHONE POULENC SA·Filed 1984·Granted Sep 17, 1985·42 cites·19 claims
- 1384US4052331ASurface active compositionRHONE POULENC SA·Filed 1976·Granted Oct 4, 1977·44 cites·13 claims
- 1483US5624034ALaminated bags for containerization of toxic or hazardous materialsRHONE POULENC SA·Filed 1995·Granted Apr 29, 1997·29 cites·19 claims
- 1583US5030404AWater-resistant polyvinyl alcohol film and its application to the preparation of gas-impermeable composite articlesRHONE POULENC SA·Filed 1990·Granted Jul 9, 1991·40 cites·13 claims
- 1683US4035345AThermosetting bis-imide compositionsRHONE POULENC SA·Filed 1971·Granted Jul 12, 1977·36 cites·23 claims
- 1783US3983265AMethod of coating a substrate with curable organopolysiloxane compositionsRHONE POULENC SA·Filed 1975·Granted Sep 28, 1976·31 cites·5 claims
- 1883US3978101ARhodium complexes of asymmetric diphosphines, their preparation and their useRHONE POULENC SA·Filed 1975·Granted Aug 31, 1976·15 cites·3 claims
- 1983US3957648AApparatus for the fractionation of fluidsRHONE POULENC SA·Filed 1974·Granted May 18, 1976·43 cites·22 claims
- 2082US3933729AOrganopolysiloxane compositions which vulcanise at ambient temperature and above to yield elastomers which adhere to the most diverse supportsRHONE POULENC SA·Filed 1974·Granted Jan 20, 1976·32 cites·6 claims
- 2181US4182873AProcess for the preparation of thiazolesulphenamidesRHONE POULENC SA·Filed 1975·Granted Jan 8, 1980·21 cites·13 claims
- 2281USRE29316ECross-linked resinsRHONE POULENC SA·Filed 1972·Granted Jul 19, 1977·33 cites·5 claims
- 2378US4056467AHollow fibresRHONE POULENC SA·Filed 1975·Granted Nov 1, 1977·36 cites·8 claims
- 2478US3949000AAsymmetric diphosphines, their preparation and their useRHONE POULENC SA·Filed 1974·Granted Apr 6, 1976·24 cites·4 claims
- 2577US4871410AMethod of extruding and blow molding of gas-impermeable composite articles having water-resistant polyvinyl alcohol film layerRHONE POULENC SA·Filed 1987·Granted Oct 3, 1989·30 cites·19 claims
- 2677US4655742AProcess/apparatus for the withdrawal/return of body fluidsRHONE POULENC SA·Filed 1984·Granted Apr 7, 1987·125 cites·23 claims
- 2777US3963622AFluid treatment apparatusRHONE POULENC SA·Filed 1974·Granted Jun 15, 1976·25 cites·16 claims
- 2876US3966678AMaleic anhydride-polyaldimine prepolymersRHONE POULENC SA·Filed 1974·Granted Jun 29, 1976·17 cites·1 claims
- 2975US4755468AInocula of low water activity with improved resistance to temperature and rehydration, and preparation thereofRHONE POULENC SA·Filed 1985·Granted Jul 5, 1988·39 cites·21 claims
- 3075US3970714AHeat-stable polyimide resin modified by unsaturated polyesterRHONE POULENC SA·Filed 1974·Granted Jul 20, 1976·24 cites·18 claims
- 3175US3933905A(5-Oxo-10,11-dihydrodibenzo[a,d]-cyclohepten-2-yl)-alkanoic acidsRHONE POULENC SA·Filed 1974·Granted Jan 20, 1976·12 cites·4 claims
- 3273US4010181AProcess for the asymmetric hydrogenation of a substituted acrylic acid or ester thereofRHONE POULENC SA·Filed 1975·Granted Mar 1, 1977·8 cites·3 claims
- 3373US4005154ACuring 1,2-epoxy with prepolymer based on polyamines and oligomers possessing imide groupsRHONE POULENC SA·Filed 1975·Granted Jan 25, 1977·20 cites·24 claims
- 3473US3948917A1,4-Dithiino(2,3-c)pyrrole derivativesRHONE POULENC SA·Filed 1973·Granted Apr 6, 1976·8 cites·8 claims
- 3572US4474983AProcess for preparing compounds having a 1,5-dimethyl-hexa-1,5-dienylene group by desulphonylation of a corresponding sulphoneRHONE POULENC SA·Filed 1982·Granted Oct 2, 1984·8 cites·3 claims
- 3672US4173709AProcess for the preparation of dextrorotatory 2-phenoxypropionic acid derivativesRHONE POULENC SA·Filed 1977·Granted Nov 6, 1979·11 cites·10 claims
- 3771US5475145Aβ-diketones, processes for making β-diketones and use of β-diketones as stabilizers for PVCRHONE POULENC SA·Filed 1993·Granted Dec 12, 1995·11 cites·11 claims
- 3871US4118439APolyelectrolytesRHONE POULENC SA·Filed 1977·Granted Oct 3, 1978·22 cites·31 claims
- 3971US4007176ACephalosporin derivativesRHONE POULENC SA·Filed 1974·Granted Feb 8, 1977·7 cites·12 claims
- 4071US3943057AMembrane support-plates and fluid separating apparatus in which they are presentRHONE POULENC SA·Filed 1974·Granted Mar 9, 1976·30 cites·8 claims
- 4171US3935315AInsecticidal and acaricidal phenylhydrazone derivativesRHONE POULENC SA·Filed 1974·Granted Jan 27, 1976·9 cites·13 claims
- 4270US3933753AAlkenylaromatic polymers with α-ketoalhydic groupsRHONE POULENC SA·Filed 1973·Granted Jan 20, 1976·26 cites·18 claims
- 4369US4103045AProcess for improving the adhesion of coatings made of photoresistant polymers to surfaces of inorganic oxidesRHONE POULENC SA·Filed 1975·Granted Jul 25, 1978·33 cites·5 claims
- 4469US3985718APolymerization of olefinic monomers using a four component initiatorRHONE POULENC SA·Filed 1974·Granted Oct 12, 1976·19 cites·5 claims
- 4568US4499058ALiquid/liquid extraction of acidic aqueous streams comprising sulfate/titanium/iron valuesRHONE POULENC SA·Filed 1983·Granted Feb 12, 1985·13 cites·20 claims
- 4668US3976571ARedox resin processRHONE POULENC SA·Filed 1974·Granted Aug 24, 1976·19 cites·6 claims
- 4767US4012317AProcess for extracting urea from a solution with alkenylaromatic polymers with α-ketoalhydic groupsRHONE POULENC SA·Filed 1974·Granted Mar 15, 1977·23 cites·12 claims
- 4867US3960887AContinuous process for the preparation of maleimidesRHONE POULENC SA·Filed 1973·Granted Jun 1, 1976·6 cites·11 claims
- 4967US3953897AVesical prosthesisRHONE POULENC SA·Filed 1974·Granted May 4, 1976·22 cites·11 claims
- 5066US4064192AHeat-stable polyimide resinsRHONE POULENC SA·Filed 1976·Granted Dec 20, 1977·15 cites·19 claims
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