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. 10, 1984
Filed:
Jul. 19, 1982
Applicant:
Inventor:
Russell E Koons, El Dorado, AR (US);
Assignee:
Tosco Corporation, Santa Monica, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
106278 ; 524 59 ; 524 62 ; 524 69 ; 1062 / ;
Abstract
An asphalt blend in which a butadiene-styrene elastomeric block polymer can easily be dispersed at between about 325.degree. F. and about 400.degree. F. and, after cooling, forms a stable material useful as a roofing composition and having a flash point of greater than about 450.degree. F., said blend being composed of a propane extracted asphalt and from about 5 weight % to about 45 weight % of a fluid bed catalytic petroleum cracker bottoms oil comprising a major proportion of oils boiling above 700.degree. F. and, optionally, a minor proportion of oils between about 350.degree. F. and 700.degree. F.