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. 04, 2000
Filed:
Oct. 21, 1997
Applicant:
Inventors:
Pierre Bou, Soisy sur Montmorency, FR;
Jean Jacques Guilleminot, Bures sur Yvette, FR;
Michel Pons, Paris, FR;
Assignee:
Elf Aquitaine, , FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; C01B / ;
U.S. Cl.
CPC ...
428408 ; 428402 ; 4283122 ; 428131 ; 428137 ; 428138 ; 423448 ;
Abstract
An active composite, consisting of a compressed support and of at least one agent that is active with respect to a gas, the compressed support comprising recompressed expanded graphite having a relative density of between 0.02 and 1.5, is formed from a series of sheets superposed on top of one another. According to the invention, the active agent is dispersed between the sheets in the form of granules.