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EP 0193326 A3 19871028 - METHOD FOR LOWERING THE FORMALDEHYDE CONTENT IN A GLUED TIMBER BOARD

Title (en)

METHOD FOR LOWERING THE FORMALDEHYDE CONTENT IN A GLUED TIMBER BOARD

Publication

EP 0193326 A3 19871028 (EN)

Application

EP 86301079 A 19860217

Priority

FI 850663 A 19850218

Abstract (en)

[origin: EP0193326A2] Method for lowering the formaldehyde content in a timber board (10) by into the board absorbing a solution (4) that contains ammonia by compressing by means of a resilient-faced grooved revolving roll (1).

IPC 1-7

B27N 3/18

IPC 8 full level

B27N 1/00 (2006.01)

CPC (source: EP)

B27N 1/003 (2013.01)

Citation (search report)

[E] DE 3431709 A1 19860424 - BAYER HELMUT DR
[Y] GB 1060024 A 19670222 - CASCO AB
[Y] ADHÄSION, vol. 26, no. 3, March 1982, pages 18-23, Berlin, DE; E. ROFFAEL et al.: "Nachträgliche Behandlung von Spanplatten zur Verminderung ihres Formaldehydabgabepotentials"

Designated contracting state (EPC)

BE DE FR GB IT

DOCDB simple family (publication)

EP 0193326 A2 19860903; EP 0193326 A3 19871028; FI 73169 B 19870529; FI 73169 C 19870910; FI 850663 A0 19850218; FI 850663 L 19860819

DOCDB simple family (application)

EP 86301079 A 19860217; FI 850663 A 19850218