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:
Jul. 05, 1977
Filed:
Jun. 26, 1975
Applicant:
Inventors:
Carl Horowitz, Brooklyn, NY (US);
Michael Dichter, Brooklyn, NY (US);
Assignee:
Polygulf Associates, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10G / ;
U.S. Cl.
CPC ...
208-8 ; 208-9 ; 44 / ;
Abstract
Novel modified coal products, which are more easily liquified as compared to natural coal, are produced by a process comprising activating coal with free radical or ionic catalyst systems and thereafter, reacting the activated coal with vinyl monomers to attach polymeric side chains to the coal.