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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.:

US 12636861 B1

PDFFull Text
Date of Patent:
May. 26, 2026

Filed:

Dec. 17, 2021

Modified melamine-formaldehyde resin, a paper impregnated with a modified melamine-formaldehyde resin, a method for manufacturing a floor panel, and use of dicyandiamide as a modifier in a melamine-formaldehyde resin

Applicant:

Flooring Industries Limited, Sarl, Bertrange, LU;

Inventors:

Benjamin Clement, Waregem, BE;

José Meirlaen, Deinze, BE;

Jurgen De Couvreur, Wielsbeke, BE;

Assignee:

UNILIN BV, Wielsbeke, BE;

Attorney:

Workman Nydegger

Primary Examiner:

Chinessa T Golden

Int. Cl.
CPC ...
B32B 21/06 (2006.01); B32B 3/26 (2006.01); B32B 27/42 (2006.01); B32B 37/06 (2006.01); B32B 37/10 (2006.01); B32B 38/06 (2006.01); E04F 15/10 (2006.01);
U.S. Cl.
CPC ...
B32B 21/06 (2013.01); B32B 3/263 (2013.01); B32B 27/42 (2013.01); B32B 37/06 (2013.01); B32B 37/10 (2013.01); B32B 38/06 (2013.01); E04F 15/107 (2013.01); B32B 2260/028 (2013.01); B32B 2260/046 (2013.01); B32B 2305/07 (2013.01); B32B 2419/04 (2013.01);
Abstract

A use of dicyandiamide is provided as a modifier in a melamine-formaldehyde resin for use in a floor panel including a substrate and a top layer. The top layer defines an upper surface of the floor panel. The floor panel is provided with embossments extending from the upper surface, such that the thickness of the floor panel varies along a cross-section of the floor panel. The top layer has a modified melamine-formaldehyde resin including formaldehyde and melamine in an F/M molar ratio within the range of from 1.60 to 1.80, and at least one modifier, thereby providing a floor panel having improved transparency at the embossments.

Find Patent Forward Citations

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Clement, Benjamin. (2026). Modified melamine-formaldehyde resin, a paper impregnated with a modified melamine-formaldehyde resin, a method for manufacturing a floor panel, and use of dicyandiamide as a modifier in a melamine-formaldehyde resin (U.S. Patent No. 12636861). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12636861

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