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:
Jun. 12, 1984
Filed:
Dec. 30, 1982
Applicant:
Inventor:
Judson E Goodrich, San Rafael, CA (US);
Assignee:
Chevron Research Company, San Francisco, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
524 69 ;
Abstract
A method for producing air-blown industrial asphalt using asphalt, ethylene/vinyl-acetate copolymer and an air-blowing catalyst is disclosed. The EVA copolymer is present in a weight percent of from 1 weight percent to 10 weight percent. Also disclosed is the asphalt composition resulting from the air-blowing method.