Global Patent Index - EP 0144985 B1

EP 0144985 B1 19930825 - METHOD OF DECREASING THE FORMALDEHYDE EMISSION OF VENEERED CHIP AND FIBRE BOARDS

Title (en)

METHOD OF DECREASING THE FORMALDEHYDE EMISSION OF VENEERED CHIP AND FIBRE BOARDS

Publication

EP 0144985 B1 19930825 (DE)

Application

EP 84114876 A 19841206

Priority

DE 3344239 A 19831207

Abstract (en)

[origin: EP0144985A2] Method of decreasing the formaldehyde emission of chip and fibre boards of emission class E1 which are veneered with refining layers, characterised in that, before veneering, the boards are treated in a manner known per se with aqueous solutions of urea and/or other ammonia-eliminating compounds, and in that the refining layers are subsequently applied in a manner known per se.

IPC 1-7

B27N 7/00

IPC 8 full level

B27N 1/00 (2006.01); B27N 7/00 (2006.01)

CPC (source: EP)

B27N 1/003 (2013.01); B27N 7/00 (2013.01)

Designated contracting state (EPC)

AT BE CH DE FR GB LI NL SE

DOCDB simple family (publication)

EP 0144985 A2 19850619; EP 0144985 A3 19871111; EP 0144985 B1 19930825; AT E93444 T1 19930915; DE 3344239 A1 19850801; DE 3344239 C2 19860724; DE 3486202 D1 19930930

DOCDB simple family (application)

EP 84114876 A 19841206; AT 84114876 T 19841206; DE 3344239 A 19831207; DE 3486202 T 19841206