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. 13, 1998
Filed:
May. 01, 1991
Applicant:
Inventors:
Carl Snyder, Silver Lake, OH (US);
W Harry Mandeville, Lynnfield, MA (US);
Howard G Tennent, Kennett Square, PA (US);
Larry K Truesdale, North Andover, MA (US);
James J Barber, Arlington, MA (US);
Assignee:
Hyperion Catalysis International, Inc., Cambridge, MA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ; B01J / ; D01F / ;
U.S. Cl.
CPC ...
502180 ; 502416 ; 502438 ; 502192 ; 502185 ; 502159 ; 4234471 ; 4234472 ; 4234473 ; 264 292 ; 427216 ; 427221 ; 427249 ; 4272551 ; 428367 ; 428368 ; 428376 ; 428398 ; 428408 ;
Abstract
A volume of carbon fibrils that includes a multiplicity of fibrils having a morphology consisting of vermicular tubes that are free of a continuous thermal carbon overcoat and have graphite layers that are substantially parallel to the fibril axis and a process for preparing such fibrils.