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. 23, 2004
Filed:
Mar. 11, 2002
Applicant:
Inventors:
Assignee:
Akzo Nobel N.V., Arnhem, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 2/742 ;
U.S. Cl.
CPC ...
B32B 2/742 ;
Abstract
A method of producing formaldehyde laden layered products, the products having reduced emission of formaldehyde, of at least 2 layers, at least one of the layers being a veneer, comprising a step of treating at least one of the surfaces of said veneer, prior to bonding the layers together, with a solution comprising an ammonium salt. The invention also relates to a flooring material obtained by the method.
Ljungar, Robin. (2004). Method of producing formaldehyde laden layered products having reduced emission of formaldehyde (U.S. Patent No. 6821636). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6821636
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile