Assignee
RHONE POULENC CHIMIE
FR·771 granted patents·6 pending applications·13,290 citations·filing 1986–2016
Top patents by PatentIndex Score
777 records- 0198US5607892AZirconium/cerium mixed oxide catalyst/catalyst support compositions having high/stable specific surfacesRHONE POULENC CHIMIE·Filed 1994·Granted Mar 4, 1997·114 cites·49 claims
- 0297US5290631AHydrosoluble/hydrodispersible polyesters and sizing of textile threads therewithRHONE POULENC CHIMIE·Filed 1992·Granted Mar 1, 1994·212 cites·24 claims
- 0396US5712218ACerium/zirconium mixed oxide catalysts having high/stable specific surface areasRHONE POULENC CHIMIE·Filed 1995·Granted Jan 27, 1998·92 cites·42 claims
- 0496US5403570ADispersible silica particulatesRHONE POULENC CHIMIE·Filed 1992·Granted Apr 4, 1995·103 cites·53 claims
- 0596US5340898ACationically crosslinkable polyorganosiloxanes and antiadhesive coatings produced therefromRHONE POULENC CHIMIE·Filed 1993·Granted Aug 23, 1994·120 cites·15 claims
- 0695US6214306B1Composition based on zirconium oxide and cerium oxide, preparation method therefor and use thereofRHONE POULENC CHIMIE·Filed 1996·Granted Apr 10, 2001·112 cites·84 claims
- 0795US4959252AHighly oriented thermotropic optical disc memberRHONE POULENC CHIMIE·Filed 1989·Granted Sep 25, 1990·127 cites·14 claims
- 0894US5968470APrecipitated silica particulates having controlled porosityRHONE POULENC CHIMIE·Filed 1994·Granted Oct 19, 1999·70 cites·25 claims
- 0994US5356713AMagnetizable composite microspheres of hydrophobic crosslinked polymer, process for preparing them and their application in biologyRHONE POULENC CHIMIE·Filed 1993·Granted Oct 18, 1994·114 cites·9 claims
- 1094US5338520ARecovery of neodymium/didymium values from bastnaesite oresRHONE POULENC CHIMIE·Filed 1987·Granted Aug 16, 1994·53 cites·19 claims
- 1194US5286478ADentifrice-compatible silica particulatesRHONE POULENC CHIMIE·Filed 1992·Granted Feb 15, 1994·53 cites·170 claims
- 1294US5009874AHydrophobic precipitated silica granulesRHONE POULENC CHIMIE·Filed 1988·Granted Apr 23, 1991·77 cites·9 claims
- 1394US4808649ABeta-ketoester substituted diorganopolysiloxanes and PVC stabilzers comprised thereofRHONE POULENC CHIMIE·Filed 1987·Granted Feb 28, 1989·75 cites·7 claims
- 1493US5908800AComposition precursor and mixed cerium and zirconium oxide-based composition, and procedure for preparation and use thereofRHONE POULENC CHIMIE·Filed 1994·Granted Jun 1, 1999·87 cites·30 claims
- 1593US5905168AProcess for treating a material comprising a polymer by hydrolysisRHONE POULENC CHIMIE·Filed 1993·Granted May 18, 1999·160 cites·23 claims
- 1693US5476827AProcess for the synthesis of aldehydes and their derivatives and catalyst for use thereofRHONE POULENC CHIMIE·Filed 1994·Granted Dec 19, 1995·79 cites·13 claims
- 1793US5468902AOnium borates/borates of organometallic complexes and cationic initiation of polymerization therewithRHONE POULENC CHIMIE·Filed 1993·Granted Nov 21, 1995·57 cites·6 claims
- 1893US4708859ASilica with a high oil absorption capability and a controlled primary structure and process for the production thereofRHONE POULENC CHIMIE·Filed 1986·Granted Nov 24, 1987·49 cites·15 claims
- 1992US5556628AFree-flowing pseudoplastic cosmetic compositions/suspensionsRHONE POULENC CHIMIE·Filed 1993·Granted Sep 17, 1996·143 cites·15 claims
- 2092US5290350AInsulating shaped articles comprising inorganic fibrous matrices and xanthan gum/cationic starch bindersRHONE POULENC CHIMIE·Filed 1991·Granted Mar 1, 1994·110 cites·23 claims
- 2192US4725312AProduction of metals by metallothermiaRHONE POULENC CHIMIE·Filed 1987·Granted Feb 16, 1988·50 cites·20 claims
- 2291US5693299AProcess for the catalytic conversion of exhaust gases using cerium/zirconium mixed oxide catalystRHONE POULENC CHIMIE·Filed 1995·Granted Dec 2, 1997·70 cites·12 claims
- 2391US5662874APreparation of ammonium rare earth double oxalates and rare earth oxides produced therefromRHONE POULENC CHIMIE·Filed 1995·Granted Sep 2, 1997·80 cites·18 claims
- 2491US5399336AStannozeosilite/zirconozeosilite zeolites and catalytic hydroxylation of phenolics therewithRHONE POULENC CHIMIE·Filed 1991·Granted Mar 21, 1995·52 cites·45 claims
- 2591US5334585APyrethroid microemulsion compositions and method for controlling insects therewithRHONE POULENC CHIMIE·Filed 1992·Granted Aug 2, 1994·57 cites·19 claims
- 2691US5334769AProcess for the synthesis of aldehydes and their derivativesRHONE POULENC CHIMIE·Filed 1992·Granted Aug 2, 1994·52 cites·42 claims
- 2790US5883037AThermally stable/highly reducible catalyst compositions comprising alumina and the oxides of cerium and zirconiumRHONE POULENC CHIMIE·Filed 1995·Granted Mar 16, 1999·74 cites·32 claims
- 2890US5532198AZirconium/cerium mixed oxide catalyst/catalyst support compositions having high/stable specific surfacesRHONE POULENC CHIMIE·Filed 1994·Granted Jul 2, 1996·75 cites·14 claims
- 2990US5342598APrecipitated silica particulates having controlled porosityRHONE POULENC CHIMIE·Filed 1992·Granted Aug 30, 1994·48 cites·15 claims
- 3090US5002747AProcess for obtaining ceric oxideRHONE POULENC CHIMIE·Filed 1988·Granted Mar 26, 1991·49 cites·30 claims
- 3189US6107226APrecipitated silica beadsRHONE POULENC CHIMIE·Filed 1990·Granted Aug 22, 2000·32 cites·19 claims
- 3289US5858928AGel of an apolar medium, its use for the preparation of water-based drilling fluidsRHONE POULENC CHIMIE·Filed 1995·Granted Jan 12, 1999·101 cites·26 claims
- 3389US5674823ADerivatives of terpene origin, surfactant and/or fragrant composition containing them and detergent formulation based on this compositionRHONE POULENC CHIMIE·Filed 1995·Granted Oct 7, 1997·66 cites·21 claims
- 3489US5488129AHydrocyanation of olefinically unsaturated nitriles into dinitrile compoundsRHONE POULENC CHIMIE·Filed 1994·Granted Jan 30, 1996·34 cites·28 claims
- 3589US5391683APreparation of aromatic polyisocyanatesRHONE POULENC CHIMIE·Filed 1993·Granted Feb 21, 1995·43 cites·22 claims
- 3689US5322923ASemi-crystalline, semi-aromatic copolyamidesRHONE POULENC CHIMIE·Filed 1991·Granted Jun 21, 1994·36 cites·6 claims
- 3789US5223171ADetergent composition containing a biodegradable graft polysaccharideRHONE POULENC CHIMIE·Filed 1991·Granted Jun 29, 1993·62 cites·9 claims
- 3889US4950811AProcess for the preparation of trifluoro-ethanol by hydrolysis, in the gas phase, of chlorotrifluoroethaneRHONE POULENC CHIMIE·Filed 1989·Granted Aug 21, 1990·29 cites·16 claims
- 3988US5718907AProcess for the preparation of organophilic metal oxide particlesRHONE POULENC CHIMIE·Filed 1995·Granted Feb 17, 1998·67 cites·34 claims
- 4088US5536813ADetersive polyanhydroaspartic acids and biodegradable hydrolysates thereofRHONE POULENC CHIMIE·Filed 1994·Granted Jul 16, 1996·57 cites·11 claims
- 4188US5496529AAluminum phosphates and binder compositions/ceramic materials comprised thereofRHONE POULENC CHIMIE·Filed 1994·Granted Mar 5, 1996·46 cites·8 claims
- 4288US5399750APreparation of maleamic acidRHONE POULENC CHIMIE·Filed 1994·Granted Mar 21, 1995·39 cites·15 claims
- 4388US5192443ASeparation of rare earth values by liquid/liquid extractionRHONE POULENC CHIMIE·Filed 1991·Granted Mar 9, 1993·39 cites·36 claims
- 4488US5066487AAntisudoral composition comprising dibasic aluminium salts of acylated amino acidsRHONE POULENC CHIMIE·Filed 1989·Granted Nov 19, 1991·104 cites·19 claims
- 4588US5055502APreparation of end-alkoxylated diorganopolysiloxanesRHONE POULENC CHIMIE·Filed 1989·Granted Oct 8, 1991·39 cites·10 claims
- 4688US4859432ANovel ceric oxide particulates and process of makingRHONE POULENC CHIMIE·Filed 1987·Granted Aug 22, 1989·51 cites·29 claims
- 4787US5882617APrecipitated silicasRHONE POULENC CHIMIE·Filed 1997·Granted Mar 16, 1999·47 cites·3 claims
- 4887US5800608AProcess for the preparation of precipitated silica, new precipitated silicas containing aluminum and their use for the reinforcement of elastomersRHONE POULENC CHIMIE·Filed 1996·Granted Sep 1, 1998·63 cites·21 claims
- 4987US5707442AAluminum phosphates and binder compositions/ceramic materials comprised thereofRHONE POULENC CHIMIE·Filed 1995·Granted Jan 13, 1998·52 cites·24 claims
- 5087US5616316ADentifrice-compatible silica particulatesRHONE POULENC CHIMIE·Filed 1995·Granted Apr 1, 1997·54 cites·11 claims
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