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:
Jul. 23, 2002
Filed:
Apr. 12, 2000
Applicant:
Inventors:
Jean-Yves Thonnelier, Voisins le Bretonneux, FR;
Bernard Lledos, Guyancourt, FR;
Jacques Labasque, Versailles, FR;
Frédéric Crayssac, Meudon la Foret, FR;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 2/906 ; B01J 2/9072 ; B01J 2/004 ; B01J 2/006 ; B01J 2/018 ;
U.S. Cl.
CPC ...
B01J 2/906 ; B01J 2/9072 ; B01J 2/004 ; B01J 2/006 ; B01J 2/018 ;
Abstract
A macroporous adsorbent comprising pores having a pore volume (V ) and a mean pore diameter (d ) such that: V ≧1 cc.g and d ≧1 &mgr;m, V and d being determined by mercury porosimetry; their manufacturing process using a spheronization and freeze-drying technique; and their use for separating or purifying gases, such as air, synthesis gases or hydrocarbons, especially olefins.