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:
Jan. 13, 1976
Filed:
Nov. 06, 1974
Applicant:
Inventors:
Assignee:
Kao Soap Co., Ltd., Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
260 28 ; 260 / ; 427138 ; 427426 ;
Abstract
Asphalt emulsions are rapidly hardened by incorporating therein an isocyanate-terminated urethane prepolymer formed by reacting one equivalent of the OH group of a polyalkylene glycol having the following formula ##EQU1## wherein p + r .gtoreq. q, q .gtoreq. O, p .gtoreq. 1, r .gtoreq. 1 and 20 .ltoreq. p + q + r .ltoreq. 100, with 1.1 to 2.0 equivalents of the NCO group of an organic diisocyanate.
Doi, Tadashi. (1976). Method for rapid hardening of asphalt emulsions (U.S. Patent No. 3932331). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3932331
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile