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:
Dec. 18, 1990
Filed:
Aug. 15, 1988
Applicant:
Inventors:
Robert W Coughlin, Storrs, CT (US);
Edward M Davis, Cheshire, CT (US);
Assignee:
SymBiotech Incorporated, Wallingford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ; C01B / ; B01J / ;
U.S. Cl.
CPC ...
502432 ; 55 74 ; 4232451 ; 423460 ; 423461 ; 502 34 ; 502 50 ; 502 53 ; 502417 ; 502434 ;
Abstract
An activated carbon sorbent in which oxygen has been substantially removed from said carbon by outgassing and said oxygen has been replaced by subsequent reaction of the outgassed carbon with a passivating substance.