EP 1368168 A1 20031210 - METHOD OF REDUCING THE EMISSION OF FORMALDEHYDE FROM LAYERED PRODUCTS
Title (en)
METHOD OF REDUCING THE EMISSION OF FORMALDEHYDE FROM LAYERED PRODUCTS
Title (de)
VERFAHREN ZUR VERMINDERUNG DER FORMALDEHYDABGABE VON MEHRLAGIGEN PRODUKTEN
Title (fr)
PROCEDE PERMETTANT DE REDUIRE LES EMISSIONS DE FORMALDEHYDE ISSUES DE PRODUITS DOTES D'UNE COUCHE CHARGEE DE FORMALDEHYDE
Publication
Application
Priority
- EP 02701853 A 20020304
- EP 01850045 A 20010312
- SE 0200377 W 20020304
Abstract (en)
[origin: WO02072323A1] A method of reducing the emission of formaldehyde from formaldehyde laden layered products having at least 2 layers, at least one of which being a board or veneer, wherein prior to bonding the layers together, at least one side surface of said board or veneer is treated with a solution comprising an inorganic sulphur containing salt. The invention also relates to a board, a veneer and a flooring material obtainable by the method, to an aqueous solution comprising ammonium sulphite or bisulphite and urea for use in the method and to a process for preparation of the aqueous solution.
IPC 1-7
IPC 8 full level
B27K 5/00 (2006.01); B27K 3/20 (2006.01); B27N 1/00 (2006.01); B32B 5/02 (2006.01)
CPC (source: EP)
B27N 1/003 (2013.01)
Citation (search report)
See references of WO 02072323A1
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
DOCDB simple family (publication)
WO 02072323 A1 20020919; AT E409558 T1 20081015; CA 2440349 A1 20020919; CA 2440349 C 20080205; CN 1320988 C 20070613; CN 1496297 A 20040512; CZ 20032392 A3 20040218; DE 60229111 D1 20081113; DK 1368168 T3 20090202; EE 200300376 A 20031015; EP 1368168 A1 20031210; EP 1368168 B1 20081001; ES 2315346 T3 20090401; JP 2004522628 A 20040729; NO 20034001 D0 20030910; NO 20034001 L 20030910; PL 363912 A1 20041129; SI 1368168 T1 20090430; SK 11242003 A3 20040504
DOCDB simple family (application)
SE 0200377 W 20020304; AT 02701853 T 20020304; CA 2440349 A 20020304; CN 02806377 A 20020304; CZ 20032392 A 20020304; DE 60229111 T 20020304; DK 02701853 T 20020304; EE P200300376 A 20020304; EP 02701853 A 20020304; ES 02701853 T 20020304; JP 2002571270 A 20020304; NO 20034001 A 20030910; PL 36391202 A 20020304; SI 200230782 T 20020304; SK 11242003 A 20020304