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:
Nov. 09, 2004
Filed:
Nov. 06, 2001
Yoshiharu Tsujita, Nagoya, JP;
Norio Tomotsu, Ichihara, JP;
Idemitsu Petrochemical Co., Ltd., Tokyo, JP;
Abstract
( ) An adsorbent comprising a styrene polymer, which is producing by dissolving a substantially syndiotactic styrene polymer in an organic compound having an affinity for the polymer, followed by shaping it, and thereafter removing the organic compound from the shaped article. ( ) For producing the adsorbent ( ), the polymer solution is melt-cast into the shaped article. ( ) For producing the adsorbent ( ) or ( ), the organic compound is removed from the shaped article through evaporation under reduced pressure. The adsorbent provided herein is effective for selectively and efficiently adsorbing an organic compound in gases or liquids.