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:
Apr. 18, 1989
Filed:
Jan. 11, 1988
Applicant:
Inventors:
Assignees:
Agency of Industrial Science & Technology, Tokyo, JP;
Ministry of International Trade & Industry, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ;
U.S. Cl.
CPC ...
524549 ; 524811 ; 526270 ; 526304 ;
Abstract
A novel polymer having repeating units of the formula: ##STR1## (wherein R.sub.1 stands for a hydrogen atom or a methyl group) is produced by polymerizing N-tetrahydrofurfuryl acrylamide or N-tetrahydrofurfuryl methacrylamide. This is a hydrophilic-hydrophobic thermally reversible type polymer.