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. 24, 2012
Filed:
Jun. 07, 1995
Applicants:
Donald R. Huffman, Tucson, AZ (US);
Wolfgang Krätschmer, Gaiberg, DE;
Inventors:
Donald R. Huffman, Tucson, AZ (US);
Wolfgang Krätschmer, Gaiberg, DE;
Assignee:
Mitsubishi Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 31/02 (2006.01); C01B 31/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Cand Ccarbon atom compounds are prepared by evaporating graphite in an inert quenching gas. The vapor of carbon is collected and is selectively extracted with an organic non-polar solvent.