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:
Jan. 19, 1999
Filed:
Mar. 21, 1996
Applicant:
Inventors:
Assignees:
Elf Aquitaine, , FR;
Le Carbone Lorraine, , FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B44F / ; B32B / ; B32B / ; B32B / ;
U.S. Cl.
CPC ...
4283122 ; 264 291 ; 428408 ; 502416 ; 502417 ;
Abstract
Active composite consisting of a compressed support and of at least one agent which is active towards a gas, the compressed support including recompressed expanded graphite which has a density of between 0.02 and 1.5. According to the invention the active composite is made up of a series of sheets superposed one above the other, the active agent being dispersed in the flakes.