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:
Mar. 06, 1990
Filed:
Nov. 30, 1988
Masayuki Inoue, Ibaraki, JP;
Akira Okamoto, Ibaraki, JP;
Koichi Asami, Ibaraki, JP;
Kazuhide Hayama, Mie, JP;
Kanji Narazaki, Mie, JP;
Oji Yuka Goseishi Co., Ltd., Tokyo, JP;
Abstract
A thermoplastic resin film having improved printability is described, which is formed by coating a polyolefin film with an aqueous solution containing a modified polyethylene-imine represented by the following general formula: ##STR1## where A is ##STR2## or a polyamine-polyamide residue; R.sub.1 -R.sup.4 are each independently H, an alkyl or alkenyl group having 1-24 carbon atoms, an alicyclic hydrocarbon group or a benzyl group, provided that at least one of R.sup.1 -R.sup.4 is a group other than H; m is 0-300; and n, p and q are each a number of 1-300, and drying the coated solution to form a surface coating.