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:
Oct. 06, 1987
Filed:
Jan. 17, 1986
Applicant:
Inventor:
Ernst Tetzlaff, Heidenheim, DE;
Assignee:
SIGRI GmbH, Meitingen bei Augsburg, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
264 22 ; 156 731 ; 264 291 ; 264 296 ; 264 297 ; 26421112 ; 264236 ; 26432818 ; 423445 ; 4234474 ; 423448 ; 423449 ;
Abstract
Manufacture of vitreous carbon bodies in which thermoplastic materials containing aromatic groups are formed into bodies, are thermally stabilized by irradiation with ionizing radiation and are carbonized by heating them in an inert atmosphere.