Assignee
RHONE POULENC SPEC CHIM
FR·240 granted patents·4,660 citations·filing 1982–1994
Top patents by PatentIndex Score
240 records- 0196US4412073AIsocyanurate preparation by catalytic, aminosilyl initiated cyclotrimerization of isocyanatesRHONE POULENC SPEC CHIM·Filed 1982·Granted Oct 25, 1983·63 cites·20 claims
- 0293US4937277AAlkoxylated silicon polymersRHONE POULENC SPEC CHIM·Filed 1988·Granted Jun 26, 1990·56 cites·15 claims
- 0393US4640939AOrganopolysiloxane compositions for antiadhesive/release coatingsRHONE POULENC SPEC CHIM·Filed 1985·Granted Feb 3, 1987·56 cites·17 claims
- 0493US4590115AMetallizing of plastic substrataRHONE POULENC SPEC CHIM·Filed 1982·Granted May 20, 1986·44 cites·16 claims
- 0593US4430173AAdditive composition, bath and process for acid copper electroplatingRHONE POULENC SPEC CHIM·Filed 1982·Granted Feb 7, 1984·96 cites·12 claims
- 0692US4722988AOrganopolysilazane composition containing free radical generators and capable of being crosslinked by an energy inputRHONE POULENC SPEC CHIM·Filed 1986·Granted Feb 2, 1988·55 cites·15 claims
- 0792US4661330AProcess for the preparation of cerium oxide particulatesRHONE POULENC SPEC CHIM·Filed 1985·Granted Apr 28, 1987·49 cites·21 claims
- 0892US4565635AFlocculation of aqueous media with novel flocculating adjuvantRHONE POULENC SPEC CHIM·Filed 1983·Granted Jan 21, 1986·79 cites·33 claims
- 0992US4529718AAlumina coating compositions for catalyst supports and process for their formulationRHONE POULENC SPEC CHIM·Filed 1984·Granted Jul 16, 1985·60 cites·21 claims
- 1091US5387675AModified hydrophobic cationic thickening compositionsRHONE POULENC SPEC CHIM·Filed 1993·Granted Feb 7, 1995·61 cites·12 claims
- 1191US4977213AMoulding compositions comprised of semirigid, fatty acid copolyamides, elastomers and optionally conventional polyamidesRHONE POULENC SPEC CHIM·Filed 1987·Granted Dec 11, 1990·66 cites·13 claims
- 1291US4740582AHomogeneous, flexible block copolyetheramide having oxyalkylene unitsRHONE POULENC SPEC CHIM·Filed 1986·Granted Apr 26, 1988·52 cites·22 claims
- 1391US4697014ACatalytic partial cyclotrimerization of polyisocyanates and product thereofRHONE POULENC SPEC CHIM·Filed 1986·Granted Sep 29, 1987·33 cites·14 claims
- 1490US5387425AMethod and composition for enhancing foam properties of fermented malt beveragesRHONE POULENC SPEC CHIM·Filed 1993·Granted Feb 7, 1995·92 cites·41 claims
- 1590US5080877ANovel cerium oxide particulatesRHONE POULENC SPEC CHIM·Filed 1990·Granted Jan 14, 1992·66 cites·7 claims
- 1690US4741966AOrganopolysiloxane composition curable by hydrosilylation containing platinum/triene complexesRHONE POULENC SPEC CHIM·Filed 1986·Granted May 3, 1988·39 cites·6 claims
- 1790US4461748ALiquid-liquid extraction of rare earth/uranium/thorium valuesRHONE POULENC SPEC CHIM·Filed 1982·Granted Jul 24, 1984·32 cites·31 claims
- 1890US4427576ACatalyst for oxidation of hydrogen sulfide and/or organosulfur compounds to SO2 and process for preparing the catalystRHONE POULENC SPEC CHIM·Filed 1982·Granted Jan 24, 1984·40 cites·37 claims
- 1989US4673663ACatalyst support and process for preparing sameRHONE POULENC SPEC CHIM·Filed 1984·Granted Jun 16, 1987·47 cites·20 claims
- 2089US4661613ADirect catalytic synthesis of dimethyldichlorosilane from methyl chloride and siliconRHONE POULENC SPEC CHIM·Filed 1984·Granted Apr 28, 1987·25 cites·20 claims
- 2189US4548734AWater soluble gum/polymer compositions and hydrosols prepared therefromRHONE POULENC SPEC CHIM·Filed 1983·Granted Oct 22, 1985·58 cites·25 claims
- 2288US4874594ASilica with a high oil absorption capability and a controlled primary structure and process for the production thereofRHONE POULENC SPEC CHIM·Filed 1987·Granted Oct 17, 1989·33 cites·10 claims
- 2388US4836997APlasma production of trichorosilane, SiHCl3RHONE POULENC SPEC CHIM·Filed 1983·Granted Jun 6, 1989·39 cites·10 claims
- 2488US4786325ACerium/rare earth polishing compositionsRHONE POULENC SPEC CHIM·Filed 1986·Granted Nov 22, 1988·73 cites·86 claims
- 2588US4675401AProcess for preparing polyisocyanato/polyisocyanurates by catalytic cyclotrimerization of polyisocyanatesRHONE POULENC SPEC CHIM·Filed 1985·Granted Jun 23, 1987·27 cites·7 claims
- 2688US4636353ANovel neodymium/iron alloysRHONE POULENC SPEC CHIM·Filed 1985·Granted Jan 13, 1987·39 cites·8 claims
- 2788US4624900AAqueous polysiloxane emulsions for anti-adhesive/water-repellent coatingsRHONE POULENC SPEC CHIM·Filed 1985·Granted Nov 25, 1986·74 cites·13 claims
- 2888US4525565ASingle component organopolysiloxane compositions containing silanes with acyloxy or ketoniminoxy groups as cross linking agents and organic derivatives of titanium or zirconium as catalystsRHONE POULENC SPEC CHIM·Filed 1983·Granted Jun 25, 1985·67 cites·9 claims
- 2987US4726938ALiquid/liquid extraction/purification of impure solutions of rare earth valuesRHONE POULENC SPEC CHIM·Filed 1986·Granted Feb 23, 1988·46 cites·32 claims
- 3087US4699813APlatinum/alkenylcyclohexene complexes useful for hydrosilylation catalysisRHONE POULENC SPEC CHIM·Filed 1985·Granted Oct 13, 1987·47 cites·11 claims
- 3187US4618666ADisilane/organosilicon resin having enhanced thermomechanical propertiesRHONE POULENC SPEC CHIM·Filed 1985·Granted Oct 21, 1986·47 cites·22 claims
- 3287US4537961ACatalytic cyclotrimerization of polyisocyanatesRHONE POULENC SPEC CHIM·Filed 1983·Granted Aug 27, 1985·39 cites·11 claims
- 3386US5066420AProduction of silica colloidsRHONE POULENC SPEC CHIM·Filed 1987·Granted Nov 19, 1991·40 cites·20 claims
- 3486US5017352ANovel cerium oxide particulatesRHONE POULENC SPEC CHIM·Filed 1989·Granted May 21, 1991·31 cites·7 claims
- 3586US4842838ASilica with a high oil absorption capability and a controlled primary structure and process for the production thereofRHONE POULENC SPEC CHIM·Filed 1987·Granted Jun 27, 1989·32 cites·2 claims
- 3686US4799549AGel-forming aqueous microemulsions for soil stabilizationRHONE POULENC SPEC CHIM·Filed 1986·Granted Jan 24, 1989·64 cites·8 claims
- 3786US4788045AStabilized zirconia a process for its preparation and its application in ceramic compositionsRHONE POULENC SPEC CHIM·Filed 1986·Granted Nov 29, 1988·44 cites·13 claims
- 3886US4525515AStorage-stable, pumpable concentrated suspensions of water-soluble polymersRHONE POULENC SPEC CHIM·Filed 1983·Granted Jun 25, 1985·46 cites·17 claims
- 3985US5283073AProcess for treating poultry carcasses to control bacterial contamination and/or growthRHONE POULENC SPEC CHIM·Filed 1992·Granted Feb 1, 1994·45 cites·14 claims
- 4085US4940685ACeric oxide particulates having a stable specific surface and a process for their preparationRHONE POULENC SPEC CHIM·Filed 1986·Granted Jul 10, 1990·53 cites·27 claims
- 4185US4746752APreparation of hydrogenosilanes by redistributionRHONE POULENC SPEC CHIM·Filed 1986·Granted May 24, 1988·20 cites·9 claims
- 4285US4690967AHeat-curable organopolysiloxane compositionsRHONE POULENC SPEC CHIM·Filed 1984·Granted Sep 1, 1987·39 cites·14 claims
- 4385US4689252APolysilazane composition which can crosslink in the presence of a metal compound catalyzing a hydrosilylation reactionRHONE POULENC SPEC CHIM·Filed 1986·Granted Aug 25, 1987·44 cites·32 claims
- 4485US4492682APreparation of ultrapure boehmites and/or pseudo-boehmitesRHONE POULENC SPEC CHIM·Filed 1983·Granted Jan 8, 1985·57 cites·20 claims
- 4585US4401819AProcess for the preparation of pyridine and substituted pyridinesRHONE POULENC SPEC CHIM·Filed 1982·Granted Aug 30, 1983·17 cites·20 claims
- 4684US4672003ARTV organopolysiloxane compositions and self-adhesive elastomers therefromRHONE POULENC SPEC CHIM·Filed 1985·Granted Jun 9, 1987·42 cites·15 claims
- 4784US4663137AProcess for producing cerium oxide particulatesRHONE POULENC SPEC CHIM·Filed 1985·Granted May 5, 1987·36 cites·17 claims
- 4884US4601798AContinuous preparation of silane, SiH4RHONE POULENC SPEC CHIM·Filed 1983·Granted Jul 22, 1986·32 cites·17 claims
- 4984US4559203ALiquid/liquid extraction of gallium values from basic aqueous solutions thereofRHONE POULENC SPEC CHIM·Filed 1983·Granted Dec 17, 1985·24 cites·20 claims
- 5084US4548917AProcess for the disproportionation of silanesRHONE POULENC SPEC CHIM·Filed 1984·Granted Oct 22, 1985·16 cites·21 claims
Showing the top 50 of 240 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when RHONE POULENC SPEC CHIM files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →