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:
Jul. 06, 1993
Filed:
Jul. 10, 1990
Applicant:
Inventor:
Toshihiko Matsushita, Tokyo, JP;
Assignee:
Mitsubishi Paper Mills Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ;
U.S. Cl.
CPC ...
264-433 ; 264-46 ; 264-43 ; 42721333 ; 42721336 ;
Abstract
Microcapsules which comprise, (A) a wall comprising a mixture of zirconium chloride and at least one member selected from the group consisting of poly(vinyl alcohol) and its derivatives, and (B) a core material enclosed with the wall; and a process for producing the same. In this invention, any substance can be used as the core material irrespective of its hydrophicity or hydrophobicity, and there can be obtained microcapsules excellent in heat resistance, water resistance, and transparency by simple steps.
Quick Actions:
Matsushita, Toshihiko. (1993). Process for producing pva microcapsules (U.S. Patent No. 5225117). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5225117
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile