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:
Nov. 10, 1998
Filed:
Jun. 19, 1997
Kazuhisa Kitamura, Ibaraki, JP;
Koichi Asami, Ibaraki, JP;
Oji-Yuka Synthetic Paper Co., Ltd., Tokyo, JP;
Abstract
A laminate comprising a thermoplastic resin film having thereon a coating layer containing (A) 100 parts by weight of an antistatic agent comprising a water-soluble quaternary nitrogen-containing polymer, (B) 10 to 600 parts by weight of a polyethyleneimine polymer selected from the group consisting of polyethyleneimine, alkyl-modified polyethyleneimine, poly(ethyleneimine-urea), and an ethyleneimine adduct of polyaminepolyamide, and (C) 25 to 1000 parts by weight of a polyalkylene ether polymer selected from the group consisting of polyethylene glycol, polypropylene glycol, an ethylene oxide-propylene oxide copolymer, and derivatives thereof, each having a molecular weight of 200 to 20,000. The laminate has excellent antistatic properties and offset printability.