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. 20, 1988
Filed:
Dec. 28, 1987
Applicant:
Inventors:
Russell A Gaudiana, Merrimack, NH (US);
Howard G Rogers, Weston, MA (US);
Roger F Sinta, Woburn, MA (US);
Assignee:
Polaroid Corporation, Cambridge, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528183 ; 528179 ; 528182 ; 528191 ; 528192 ; 528193 ; 528194 ;
Abstract
Aromatic polyesteramides exhibiting melt processability are disclosed. The polyesteramides comprise certain essential repeating units of the formulas ##STR1## wherein X is alkyl, alkoxy, trifluoromethyl, halogen or nitro. The polyesteramides exhibit melt anisotropy. Films and fibers combining a balance of properties suited to high strength service can be provided from the melt-processable polyesteramides.