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. 31, 1984
Filed:
Sep. 23, 1981
Applicant:
Inventors:
Robert Zellerhoff, Dinslaken, DE;
Maximilian Zander, Castrop-Rauxel, DE;
Franz Kajetanczyk, Castrop-Rauxel, DE;
Assignee:
Rutgerswerke Aktiengesellschaft, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C10B / ;
U.S. Cl.
CPC ...
585241 ; 201-25 ; 201 21 ; 252511 ; 524577 ; 524580 ; 208 22 ; 208 39 ;
Abstract
A process for the preparation of modified pitches and low boiling aromatics and olefins is described. Waste plastic which consists of polymeric chains of olefins is subjected to a thermal treatment in the presence of high boiling aromatics. The modified pitches may be used for the production of carbon articles of high value.