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:
Apr. 29, 2003
Filed:
Aug. 22, 2001
Applicant:
Inventors:
Takayuki Yoshikawa, Okayama-ken, JP;
Masaki Fukuura, Okayama-ken, JP;
Shushi Nishimura, Okayama-ken, JP;
Assignee:
Kuraray Chemical Co., Ltd., Bizen, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 2/022 ; B01D 5/372 ;
U.S. Cl.
CPC ...
B01J 2/022 ; B01D 5/372 ;
Abstract
A porous adsorbent with a urea compound having a urea linkage within the molecule thereof and an inorganic acid and/or an organic acid supported on a porous support is shown. The porous adsorbent is capable of efficiently eliminating lower aldehydes at ordinary temperature for a prolonged period of time.