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:
Sep. 05, 2000
Filed:
Oct. 16, 1998
Applicant:
Inventors:
Kazuo Isobe, Wakayama, JP;
Ryoichi Tamaki, Wakayama, JP;
Assignee:
Kao Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
524 64 ; 106277 ; 252314 ; 524 69 ;
Abstract
The present invention provides an oil-in-water asphalt emulsion having excellent stability in a stationary state. That is, the present invention provides a method for emulsifying an asphalt in water, which comprises the step of mixing the asphalt and water with an emulsifier comprising a nonionic compound (1) having the formula (1):