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. 06, 1987
Filed:
Feb. 21, 1985
Applicant:
Inventors:
Kaoru Tsujii, Utsunomiya, JP;
Akira Yoshimatsu, Utsunomiya, JP;
Assignee:
KAO Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
523221 ; 521 29 ; 524908 ; 526909 ;
Abstract
A finely powdered polymer latex in the rod-like form having a major axis of from 0.1 to 100 microns and a minor axis of below 1/3 times the major axis. When the particles are dispersed in water at a concentration of 15 wt %, the thixotropy index, .eta.3/.eta.30 is not less than 1.5. The polymer powder of the above size and configuration is useful in various fields including paint binders, diagnostic means and cosmetics. The polymer latex is prepared by solubilizing a polymerizable monomer in rod-shaped micelles, and polymerizing the monomer while keeping the rod-shaped micelle structure.