1
Thierry Chopin, Dominique Dupuis, Bernard Pacaud: Titanium dioxide particles, method for their preparation and their use in cosmetics, varnish and surface coating. Rhodia Chimie, Burns Doane Swecker & Mathis L, February 13, 2001: US06187438 (14 worldwide citation)

The invention concerns titanium dioxide particles coated at least partially: with a first layer of at least a cerium and/or iron compound, and a second layer of at least a metal oxide, hydroxide or oxohydroxide, the said particles having a BET specific surface area of at least 70 m


2
Stephan Verdier, Olivier Larcher, Emmanuel Rohart, Bernard Pacaud, Hirofumi Takemori, Eisaku Suda: Catalyst compositions for the treatment of vehicular exhaust gases comprise zirconium oxide and cerium oxide, and have a high reducibility and a stable specific surface area. Rhodia Operations, SNR Denton US, April 17, 2012: US08158551 (14 worldwide citation)

Catalyst compositions for the treatment of vehicular exhaust gases are based on zirconium and cerium oxides, have a cerium oxide content of at most 50% by weight, a level of reducibility of at least 95% after calcination in air at 600°, and a specific surface area after calcination for 4 hours at 11 ...


3
Bernard Pacaud, Marc Mercier: 5A zeolite/kaolinite adsorbent for gas purification. Rhone Poulenc Chimie, Burns Doane Swecker & Mathis, March 8, 1994: US05292360 (13 worldwide citation)

Adsorbent material well adapted for the purification of gases (notably by the PSA and TSA methods) by adsorbing impurities therefrom that are more polar or polarizable than the gases to be purified, e.g., nitrogen, the oxides of carbon and hydrocarbons, comprises a matrix of a type 5A zeolite molecu ...


4
Bernard Pacaud, Marc Mercier: 5A zeolite/kaolinite adsorbent for gas purification. Rhone Poulenc Chimie, Burns Doane Swecker & Mathis, March 19, 1991: US05001098 (11 worldwide citation)

Adsorbent material well adapted for the purification of gases (notably by the PSA and TSA methods) by adsorbing impurities therefrom that are more polar or polarizable than the gases to be purified, e.g., nitrogen, the oxides of carbon and hydrocarbons, comprises a matrix of a type 5A zeolite molecu ...


5
Bernard Pacaud, Jean Michel Popa, Claude Bernard Cartier: Purification of silane gas. Rhone Poulenc Chimie, Burns Doane Swecker & Mathis, December 11, 1990: US04976944 (8 worldwide citation)

Impure gaseous silane containing such impurities as, in particular, phosphines and arsines, is purified, whether by chemisorption and/or physical adsorption, by contacting such silane gas with a sorption mass that includes cooper values, e.g., a copper cation-exchanged molecular sieve.


6
Shigeru Aozasa, Emmanuel Rohart, Lianxin Dai, Bernard Pacaud: Ceric oxide and method for production thereof, and catalyst for exhaust gas clarification. Anan Kasei, Darby & Darby P C, April 22, 2008: US07361322 (2 worldwide citation)

The present invention relates to ceric oxide that has excellent heat resistance and oxygen absorbing and desorbing capability useful as a co-catalyst material suitable for a catalyst for purifying exhaust gas, that is capable of maintaining a large specific surface area even in use in a high tempera ...


7
Bernard Antoine Dissaux, Jean Luc Le Loarer, Bernard Pacaud, Michel Ries: Production of finely divided rare earth ammonium oxalates/finely divided rare earth oxides. Rhone Poulenc Chimie, Burns Doane Swecker & Mathis, May 21, 1996: US05518703 (2 worldwide citation)

Very finely divided ammonium rare earth double oxalates, readily converted into corresponding rare earth oxides by calcination, such oxides being well adopted, e.g., for the production of luminescent compounds therefrom, are prepared by (a) admixing a second solution of a rare earth compound, e.g., ...


8
Eisaku Suda, Bernard Pacaud: Cerium based composite oxide, sintered product thereof and method for preparation thereof. Anan Kasei, Darby & Darby, October 10, 2006: US07119041

The invention provides a cerium based composite oxide and its production method, which hardly forms aggregates, is composed of particular acicular particles providing sinterable ceramic materials, has a sharp particle size distribution, and inhibited from aggregating. The composite oxide contains 0. ...


9

10
Lianxin Dai, Bernard Pacaud, Shigeru Aozasa, Emmanuel Rohart: Ceric oxide and method for production thereof, and catalyst for exhaust gas clarification. Darby & Darby PC, November 25, 2004: US20040234438-A1

The present invention relates to ceric oxide that has excellent heat resistance and oxygen absorbing and desorbing capability useful as a co-catalyst material suitable for a catalyst for purifying exhaust gas, that is capable of maintaining a large specific surface area even in use in a high tempera ...