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. 09, 1989
Filed:
Apr. 21, 1987
Applicant:
Inventors:
Daniel M Timmerman, Mortsel, BE;
August M Marien, Oevel, BE;
Jan E Van Havenbergh, Zwijndrecht, BE;
Etienne A Van Thillo, Essen, BE;
Assignee:
Agfa-Gevaert, N.V., Mortsel, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ;
U.S. Cl.
CPC ...
428480 ; 428483 ; 428913 ; 430527 ; 430529 ; 430533 ; 430535 ; 430634 ;
Abstract
A sheet or web comprising a substrate which is composed of or coated with a hydrophobic resin and carries an antistatic layer, characterized in that the antistatic layer consists essentially of a blockcopolyetherester of dibasic carboxylic acid(s) esterified with ethylene glycol and with a polyoxyethylene glycol having an average molecular weight in the range 1,000 to 10,000, at least 20% by weight of such blockcopolyetherester being constituted by polyoxyethylene-ester chain parts.