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. 08, 1979
Filed:
Nov. 10, 1977
Applicant:
Inventor:
Charles H Coney, Kingsport, TN (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528302 ; 528305 ; 528309 ; 428480 ; 260 / ;
Abstract
Coating compositions useful as a dielectric layer for electrostatic recording sheet material are disclosed. The compositions comprise a polyester derived mainly from terephthalic acid and 1,2-propanediol. Minor amounts of isophthalic acid and ethylene glycol may be included. Preferably, the compositions include an ester prepared from gum, wood and/or tall oil rosin in an amount of up to about 70% based on the combined weight of polyester and rosin ester.