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:
Aug. 05, 1986
Filed:
Sep. 14, 1982
Applicant:
Inventors:
Robert H Thomas, deceased, late of Lexington County, SC (US);
by Mary A Thomas, executrix, Columbia, SC (US);
Willis B Hammond, Chatham, NJ (US);
Michael P Friedberger, Petersburg, VA (US);
William A Archie, Petersburg, VA (US);
Assignee:
Allied Corporation, Morris Township, Morris County, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; C07C / ; D06M / ;
U.S. Cl.
CPC ...
428265 ; 252-86 ; 252-88 ; 4273934 ; 428267 ; 428361 ; 428362 ; 428365 ; 560 87 ;
Abstract
Improved retention on yarn and processing properties have been discovered in a composition of matter comprising meta and para pyromellitates ##STR1## and 70 to 95 percent by weight of specific dimers and other oligomers of I. and II., wherein A is (CH.sub.2).sub.2 (CF.sub.2).sub.n CF.sub.3, where n is 5 to 13 and B is CH.sub.2 CHOHCH.sub.2 Cl.