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:
Dec. 19, 1978
Filed:
Apr. 12, 1976
Applicant:
Inventors:
Duane W Gagle, Bartlesville, OK (US);
Homer L Draper, Bartlesville, OK (US);
Assignee:
Phillips Petroleum Company, Bartlesville, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C09D / ;
U.S. Cl.
CPC ...
260 / ; 106275 ; 106279 ; 404 1732 ; 260745 ; 106274 ;
Abstract
An asphalt composition having high ductility at low temperatures is obtained by hot-mixing asphalt and 3 to 7 wt. % of sulfur, based on the weight of asphalt, at temperatures below 300.degree. F. Small amounts of rubber further increase the ductility.