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. 01, 1991
Filed:
Nov. 20, 1990
Applicant:
Inventor:
James M Gaidis, Ellicott City, MD (US);
Assignee:
W. R. Grace & Co.-Conn., New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L / ; C09D / ;
U.S. Cl.
CPC ...
106278 ; 1061232 ;
Abstract
A process for stabilizing asphalt is disclosed which requires mixing with the asphalt a stabilizing mixture composed of tall oil acid salts of alkali or alkaline earth metals in combination with free tall oil acid present in at least 30 molar percent of the total acid content.