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:
Feb. 22, 1994
Filed:
May. 18, 1992
Applicant:
Inventors:
Wulf von Bonin, Odenthal-Hahnenberg, DE;
Ulrich von Gizycki, Leverkusen, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
2523 / ; 423448 ; 264 452 ;
Abstract
In an advantageous process for the production of mouldings from expandable graphite, a liquid is first added to the expandable graphite and the resulting moist preparation form of the expandable graphite is heated in moulds to temperatures above 180.degree. C.