1
Jean-luc Dubois
Jean Luc Dubois, Yasuhiro Magatani, Kimito Okumura: Process for manufacturing acrolein or acrylic acid from glycerin. Arkema France, Lynn B Morreale, August 28, 2012: US08252960 (3 worldwide citation)

The subject of the present invention is a process for preparing acrolein by dehydration of glycerin, characterized in that the dehydration is carried out in the presence of a catalyst comprising mainly a compound in which protons in a heteropolyacid are exchanged at least partially with at least one ...


2
Jean-luc Dubois
Yasuhiro Magatani, Kimito Okumura, Jean Luc Dubois, Jean Francois Devaux: Catalyst and process for preparing acrolein and/or acrylic acid by dehydration reaction of glycerin. ARKEMA FRANCE, Millen White Zelano & Branigan P C, October 20, 2015: US09162954

A catalyst composition comprising at least an heteropolyacid deposited on a porous titania carrier. A catalyst composition comprising at least an heteropolyacid in which protons in the heteropolyacid may be partially exchanged by at least one cation selected from elements belonging to Group 1 to Gro ...


3
Jean-luc Dubois
Yasuhiro Magatani, Kimito Okumura, Jean Luc Dubois: Catalyst for production of acrolein and acrylic acid by means of dehydration reaction of glycerin, and process for producing same. Arkema France, January 26, 2012: US20120022291-A1

A process for converting glycerin into valuable chemical raw material. A catalyst for use in the production of acrolein and acrylic acid by a dehydration reaction of glycerin, which enables the production of acrolein and acrylic acid in high yield. Glycerin dehydration catalyst which mainly comprise ...


4
Ryota Hiraoka, Yumi Hino, Kimito Okumura, Motohiko Sugiyama, Hiroki Motomura: Process for producing shaped catalyst and process for producing diene or unsaturated aldehyde and/or unsaturated carboxylic acid using the shaped catalyst. NipponKayaku KabushikiKaisha, Nields Lemack & Frame, February 21, 2017: US09573127

There is provided a process for producing a shaped catalyst for a fixed bed oxidation reaction or a fixed bed oxidative dehydrogenation reaction, the catalyst having both of sufficient mechanical strength and catalyst performance, and the catalyst is produced by supporting a catalyst powder containi ...


5
Ryota Hiraoka, Yumi Hino, Kimito Okumura, Hiroki Motomura: Catalyst for production of butadiene, process for producing the catalyst, and process for producing butadiene using the catalyst. NipponKayaku KabushikiKaisha, Nields Lemack & Frame, March 28, 2017: US09604199

A catalyst for producing butadiene using n-butene as a raw material, a process for producing the same and a process for producing butadiene using the catalyst are provided, and specifically, a catalyst for producing butadiene by gas-phase contact oxidative dehydrogenation of n-butene, which is capab ...


6
Ryota Hiraoka, Yumi Hino, Kimito Okumura, Motohiko Sugiyama, Hiroki Motomura: Process for producing shaped catalyst and process for producing diene or unsaturated aldehyde and/or unsaturated carboxylic acid using the shaped catalyst. NipponKayaku KabushikiKaisha, Nields Lemack & Frame, December 27, 2016: US09527070

There is provided a process for producing a shaped catalyst for a fixed bed oxidation reaction or a fixed bed oxidative dehydrogenation reaction, the catalyst having both of sufficient mechanical strength and catalyst performance, and the catalyst is produced by supporting a catalyst powder containi ...


7
Jean Luc Dubois, Kimito Okumura, Yasushi Kobayashi, Ryota Hiraoka: Process of dehydration reactions. Arkema France, Lynn B Morreale, March 13, 2018: US09914699

The present invention relates to the production of acrolein, acrylic acid or methacrylic acid by dehydration reaction of renewable raw material such as glycerin or hydroxycarboxylic acids, in the presence of a novel catalyst system supported on a carrier having a bimodal structure and a high pore vo ...


8
Yasuhiro Magatani, Kimito Okumura: Catalyst for preparing acrolein or acrylic acid by dehydration reaction of glycerin and method for producing the same. Nippon Kayaku Kabushiki Kaisha, May 12, 2011: US20110112330-A1

Catalyst used in a process for preparing acrolein and acrylic acid at higher yield to convert glycerin to valuable other chemical raw materials. The glycerin dehydration catalyst consists mainly of a compound containing at least one element selected from Mo, W and V, in which protons in the heteropo ...