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:
Nov. 13, 1990
Filed:
Jun. 02, 1988
Applicant:
Inventor:
Masao Gotoh, Sagamihara, JP;
Assignee:
NOK Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ;
U.S. Cl.
CPC ...
264-43 ; 264-47 ; 424455 ; 424497 ; 424501 ; 514963 ;
Abstract
Microcapsules with controlled-release are prepared by subjecting microcapsules encasing an aqueous solution of a substance to be released from the microcapsules under control to a heat treatment in an aqueous solution containing the substance same with the substance to be released from the microcapsules, while selecting a heating temperature.
Gotoh, Masao. (1990). Process for preparing microcapsules with controlled-release (U.S. Patent No. 4970031). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4970031
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile