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:
Feb. 21, 1978
Filed:
Apr. 13, 1976
Applicant:
Inventors:
Constance A Lane, Philadelphia, PA (US);
Joseph C Koziar, Cornwells Heights, PA (US);
Assignee:
Rohm and Haas Company, Philadelphia, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
260873 ; 260860 ;
Abstract
Compositions comprising linear saturated aromatic polyesters with a minor amount of a moisture scavenger polymer containing cyclic acetal or cyclic ketal units, process for preventing hydrolytic degradation of such polyesters comprising introducing such moisture scavenger polymers, and process of using certain polymers containing cyclic acetal or cyclic units as moisture scavengers for linear saturated aromatic polyesters.