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. 11, 1977
Filed:
Apr. 09, 1976
John E Herweh, Lancaster, PA (US);
William Y Whitmore, Hellam, PA (US);
Armstrong Cork Company, Lancaster, PA (US);
Abstract
A substantially linear segmented copolymer of the formula (MX).sub.n where n is an integer greater than 0 and M is a bivalent organic radical segment of the formula ##STR1## wherein R is hydrogen, C.sub.1 to C.sub.4 alkyl, aryl, or C.sub.1 to C.sub.4 alkyl substituted aryl; A is C.sub.1 to C.sub.4 alkylene; A' is C.sub.1 to C.sub.4 alkylene the same or different than A, phenylene or alkyl substituted phenylene; and y is an integer greater than 0; and X is a bivalent organic radical segment of the formula ##STR2## WHEREIN G is a long chain radical segment of recurring linkages selected from the group consisting of ester and ether; and z is an integer greater than 0 the same or different than y.