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. 03, 2020
Filed:
Apr. 26, 2017
E I Du Pont DE Nemours and Company, Wilmington, DE (US);
Zhang Honggui, Shanghai, CN;
Donald Douglas May, Chadds Ford, PA (US);
DUPONT ELECTRONICS, INC., Wilmington, DE (US);
Abstract
Disclosed herein is a wallpaper, including: (a) a paper substrate including a paper layer and an ink decorative layer attached to an upper surface of the paper layer that faces away from the wall during use; (b) a fluorine-containing coating attached to a surface of the ink decorative layer; and (c) a supporting layer attached to a lower surface of the paper substrate, in which the supporting layer comprises 25 to 45 wt % of polyacrylate, 25 to 40 wt % of a styrene-acrylic acid copolymer and 10 to 50 wt % of inorganic particles based on the total weight of the supporting layer, wherein the inorganic particles are selected from the group consisting of silicon dioxide, titanium dioxide, calcium carbonate, kaolin clay, diatomite and talc powder, and a combination of two or more thereof.