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:
Apr. 18, 1989
Filed:
Oct. 31, 1986
Applicant:
Inventors:
Peter E Graf, Orinda, CA (US);
Steven J Agazzi, Walnut Creek, CA (US);
Eugene J Vanderzanden, Piedmont, CA (US);
Assignee:
Chevron Research Company, San Francisco, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09D / ; C09D / ;
U.S. Cl.
CPC ...
106502 ; 106401 ; 106448 ; 106499 ; 2523115 ;
Abstract
Disclosed is a cationic bituminous emulsion comprising relative to the emulsion about 40 to 70% by weight asphalt, 0.25 to 5% by weight of a cationic emulsifier, 0.1-0.5% by weight of a water-soluble thickening agent, 0-8% of a low-boiling hydrocarbon, and water as a continuous phase of said emulsion to make up 100% by weight. The emulsion is particularly useful for open-graded roads.