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:
May. 06, 1980
Filed:
Jun. 17, 1977
Applicant:
Inventor:
Leon Segal, Randolph, NJ (US);
Assignee:
Allied Chemical Corporation, Morris Township, Morris County, NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528125 ; 528126 ; 528173 ; 528176 ; 528179 ; 528182 ; 528191 ; 528192 ; 528193 ; 528194 ; 252182 ;
Abstract
Novel copolyesters are prepared by the interfacial condensation of bifunctional acid halides or anhydrides with bisphenols dissolved in mixtures of alkaline materials and liquid polyhydroxy hydrocarbons, ethers or amines. The copolyesters form useful fibers and plastic materials.