Global Patent Index - EP 0391136 A3

EP 0391136 A3 19901031 - IMPREGNATION SOLUTION AND PROCESS FOR ITS USE

Title (en)

IMPREGNATION SOLUTION AND PROCESS FOR ITS USE

Publication

EP 0391136 A3 19901031 (DE)

Application

EP 90105320 A 19900321

Priority

DE 3911091 A 19890406

Abstract (en)

[origin: EP0391136A2] The invention relates to an impregnation solution for natural woods and/or wood and pulp products, which solution binds and neutralises the acids present in the wood, firmly binds the formaldehyde and other aldehydes in the wood and effects waterproofing of the wood by means of an additive.

IPC 1-7

B27K 3/52; D21H 17/74

IPC 8 full level

B27K 3/52 (2006.01)

CPC (source: EP)

B27K 3/52 (2013.01); B27K 3/16 (2013.01); B27K 3/36 (2013.01); B27K 2240/70 (2013.01)

Citation (search report)

  • [Y] DE 1022518 B 19580109 - FRIEDRICH BUESCHER DR, et al
  • [AD] EP 0146512 A1 19850626 - SWEDSPAN AB [SE]
  • DD 21778 A
  • [AD] DE 21778 C
  • [Y] JAPANESE PATENTS GAZETTE, Woche 8642, 26. November 1986, Sektion Ch: Chemical, Seite 17, Zusammenfassung Nr. 86-276075/42, Derwent Publications Ltd, London, GB; & JP-A-61 201 789 (TOYOTA JIDOSHA K.K.) 06-09-1986
  • [A] PATENT ABSTRACTS OF JAPAN, Band 10, Nr. 148 (C-350)[2205], 29. Mai 1986, Seite 93 C 350; & JP-A-61 007 334 (AIN ENGINEERING K.K.) 14-01-1986

Designated contracting state (EPC)

AT BE DE FR GB SE

DOCDB simple family (publication)

EP 0391136 A2 19901010; EP 0391136 A3 19901031; DE 3911091 A1 19901018; DE 3911091 C2 19911114

DOCDB simple family (application)

EP 90105320 A 19900321; DE 3911091 A 19890406