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. 28, 1993
Filed:
Feb. 01, 1991
Applicant:
Inventors:
Futoshi Hoshino, Tokyo, JP;
Makoto Nakano, Chigasaki, JP;
Kousuke Someya, Yokohama, JP;
Junko Morita, Yokohama, JP;
Takeshi Yanagihara, Chigasaki, JP;
Akihiro Yamazaki, Yokohama, JP;
Assignee:
Mitsui Toatsu Chemicals, Incorporated, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08J / ; C08F / ;
U.S. Cl.
CPC ...
42840224 ; 523201 ; 521 54 ; 521 57 ; 521 64 ; 525902 ; 106 14 ; 106-5 ; 106409 ; 503207 ;
Abstract
A cored multi-shell emulsion particle consisting of a core particle, a void layer existing in the exterior of the core particle and a shell layer, each of which has a diameter of .phi., d and D, respectively, and the ratio of .phi., d and D is in the following range.