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:
Dec. 15, 1981
Filed:
Apr. 23, 1980
Kishore R Shah, Chelmsford, MA (US);
Samuel C Temin, Needham, MA (US);
The Kendall Company, Boston, MA (US);
Abstract
A non-tacky thermoplastic elastomeric composition which is an optically clear blend of (A) a copolymer of ethyl or butyl acrylate or mixtures thereof with from 2 to 10% by weight of a copolymerizable ethylenic monomer containing an acid group and (B) from 2 to 15%, by weight of the blend, of a water-soluble homopolymer of a vinyl lactam having the structure ##STR1## in which X represents an alkylene bridge having three to five carbon atoms, or from 2 to 30%, by weight of the blend, of a copolymer of said lactam with from 1 to 80 mole percent of a copolymerizable monomer containing a polymerizable ethylenic unsaturation, the vinyl lactam polymer or copolymer having a glass transistion temperature from 20.degree. to 250.degree. C.