The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 30, 2017
Filed:
Jun. 03, 2014
Applicant:
Chiyoda Corporation, Yokohama-shi, Kanagawa, JP;
Inventors:
Zhixiong You, Yokohama, JP;
Yoichi Umehara, Yokohama, JP;
Tetsuro Matsumura, Yokohama, JP;
Takeshi Minami, Yokohama, JP;
Assignee:
CHIYODA CORPORATION, Yokohama-shi, Kanagawa, JP;
Primary Examiner:
Int. Cl.
CPC ...
B01J 39/20 (2006.01); C07C 51/44 (2006.01); C07C 51/47 (2006.01); C07C 45/79 (2006.01); C07C 51/12 (2006.01); B01J 39/05 (2017.01); B01J 39/19 (2017.01); B01J 49/06 (2017.01); B01J 49/53 (2017.01);
U.S. Cl.
CPC ...
B01J 39/20 (2013.01); B01J 39/05 (2017.01); B01J 39/19 (2017.01); B01J 49/06 (2017.01); B01J 49/53 (2017.01); C07C 45/79 (2013.01); C07C 51/12 (2013.01); C07C 51/44 (2013.01); C07C 51/47 (2013.01);
Abstract
An aldehyde adsorbent that can adsorb and remove aldehyde from a carboxylic acid-containing liquid is provided. The aldehyde adsorbent is an aldehyde adsorbent for adsorbing aldehyde in a carboxylic acid-containing liquid containing aldehyde, including a cation exchange resin ion-exchanged with a polyvalent amine in 1 to 99% by mol of the total exchange capacity.