EP 0144985 A3 19871111 - 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
Application
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
IPC 8 full level
CPC (source: EP)
B27N 1/003 (2013.01); B27N 7/00 (2013.01)
Citation (search report)
- [A] DE 2917159 A1 19791108 - CASCO AB
- [AD] EP 0006486 A2 19800109 - SWEDSPAN AB [SE]
- [AD] EP 0012169 A1 19800625 - FRAUNHOFER GES FORSCHUNG [DE]
- [X] DERWENT JAPANESE PATENT REPORT, Woche 7, Section Chemical, 1974, Zusammenfassung Nr. 74 12177V[07], Derwent Publications, GB; & JP-A-48 072 308 (KOWA CO. LTD)
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