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:
Oct. 20, 1981
Filed:
Jan. 24, 1980
Seiji Aotani, Yokohama, JP;
Hisanori Kanayama, Machida, JP;
Japan Synthetic Rubber Co., Ltd., Tokyo, JP;
Abstract
A molded article of hydrous polymer obtained by adding an oily substance to a polymer latex or a macromolecular substance latex containing anionic groups and having a polymer concentration of 20-70% by weight, said latex being selected from the group consisting of (a) polymer latexes prepared by emulsion polymerization process, (b) polymer latexes obtained by re-emulsification process and (c) a latex of a natural macromolecular substance, adding a polyvalent metal compound and/or polyether to the resulting mixture and molding the mixture without heating. Said molded article is a novel one satisfying the following three requirements: (1) it is not deformed even when held in hot water, (2) its tack strength does not change with a change of temperature and (3) it is kept soft even below the freezing temperature of water. It is useful as a material which is kept cool for a long time or as a base for plasters.