Inventor · disambiguated record
Catherine Hedouin
Also filed as: HEDOUIN CATHERINE
10 granted patents·3 pending applications·130 citations·filing 1998–2009
90Inventor score
Files withRHODIA CHIMIE SA4CHIMIE RHODIA1FAURECIA SYS ECHAPPEMENT1HEDOUIN CATHERINE1MOMENTIVE SPECIALTY CHEM INC1
Top patents by PatentIndex Score
13 records- 0176US7524474B2Process for preparing an oxide based on zirconium and titanium, oxides obtained thereby, and use of said oxides as catalytstsRHODIA ELECTRONICS & CATALYSIS·Filed 2007·Granted Apr 28, 2009·3 cites·8 claims
- 0272US6852666B1Purifying composition with NOx treatment and internal combustion engine exhaust gasesFAURECIA SYS ECHAPPEMENT·Filed 2000·Granted Feb 8, 2005·35 cites·14 claims
- 0371US7247283B2Method of preparing a titanium and zirconium-based oxide, the oxides thus obtained and the use of same as catalystsRHODIA ELECT & CATALYSIS·Filed 2002·Granted Jul 24, 2007·10 cites·3 claims
- 0469US6358880B1Support composition based on a cerium oxide, a zirconium oxide and a scandium or rare earth oxide and use for treating exhaust gasRHODIA CHIMIE SA·Filed 1998·Granted Mar 19, 2002·36 cites·18 claims
- 0566US6548032B1Process for the treatment of gases with high oxygen content, with a view to controlling nitrogen oxide emissions, using a catalytic composition comprising cerium oxide and/or zirconium oxideRHODIA CHIMIE SA·Filed 2001·Granted Apr 15, 2003·13 cites·8 claims
- 0661US8044124B2Adhesion-promoting agent for a thermal insulation surfaceMOMENTIVE SPECIALTY CHEM INC·Filed 2009·Granted Oct 25, 2011·2 cites·18 claims
- 0758US7820586B2Composition based on zirconium oxide and oxides of cerium, lanthanum and of another rare earth, a method for preparing same and use thereof as catalystRHODIA OPERATIONS·Filed 2003·Granted Oct 26, 2010·7 cites·18 claims
- 0853US6294011B1Titanium, cerium and alkaline or earth-alkaline based compound, preparation methods and use as colouring pigmentCHIMIE RHODIA·Filed 1998·Granted Sep 25, 2001·11 cites·10 claims
- 0946US2007256600A1Adhesion-Promoting Agent for a Thermal Insulation SurfaceHEDOUIN CATHERINE·Filed 2004·Application pending·0 cites
- 1041US6491886B1Method for treating gases to reduce nitrogen oxide emissionsRHODIA CHIMIE SA·Filed 1998·Granted Dec 10, 2002·7 cites·14 claims
- 1137US2003175191A1Method for catalytic reduction of nitrogen oxide emissionsFiled 2001·Application pending·0 cites
- 1234US6475452B1Composition based on manganese and use for trapping NOx for treating exhaust gasesRHODIA CHIMIE SA·Filed 1998·Granted Nov 5, 2002·6 cites·7 claims
- 1327US2003124035A1Device for purification of the exhaust gases for an internal combustion engineRENAULT·Filed 2002·Application pending·0 cites
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