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. 03, 1981
Filed:
Oct. 30, 1979
Kaoru Kawase, Nagoya, JP;
Kiyoshi Hayakawa, Gifu, JP;
Agency of Industrial Science & Technology, Tokyo, JP;
Ministry of International Trade & Industry, Tokyo, JP;
Abstract
A graft membrane capable of ion exchange, manufactured by preparing in advance a film wherein an alkali salt or alkaline earth salt of an .alpha.-alkyl acrylate is dispersed in a hydrophilic polymer and subsequently exposing the film to an ionizing high-energy radiation or ultraviolet radiation, or preparing a film wherein a catalyst is dispersed in addition to the aforementioned alkali salt or alkaline earth salt in the hydrophilic polymer and subsequently heating the film.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile