EP0193326A3 - Verfahren zum Verringern des Formaldehydgehalts in Spanplatten - Google Patents

Verfahren zum Verringern des Formaldehydgehalts in Spanplatten Download PDF

Info

Publication number: EP0193326A3
Authority: EP; European Patent Office
Prior art keywords: lowering; formaldehyde content; timber board; glued timber; board
Prior art date: 1985-02-18
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP86301079A

Other languages

English (en)

French (fr)

Other versions

EP0193326A2 (de

Inventor

Pertti Einari Pekkinen

Antti Samuli Maenpaa

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Wilh Schauman Oy AB

Original Assignee

Wilh Schauman Oy AB

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1985-02-18

Filing date

1986-02-17

Publication date

1987-10-28

1986-02-17 Application filed by Wilh Schauman Oy AB filed Critical Wilh Schauman Oy AB

1986-09-03 Publication of EP0193326A2 publication Critical patent/EP0193326A2/de

1987-10-28 Publication of EP0193326A3 publication Critical patent/EP0193326A3/de

Status Withdrawn legal-status Critical Current

Links

WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title abstract 6
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 2
229910021529 ammonia Inorganic materials 0.000 abstract 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N1/00—Pretreatment of moulding material
- B27N1/003—Pretreatment of moulding material for reducing formaldehyde gas emission

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Wood Science & Technology (AREA)
Forests & Forestry (AREA)
Dry Formation Of Fiberboard And The Like (AREA)
Chemical And Physical Treatments For Wood And The Like (AREA)

EP86301079A 1985-02-18 1986-02-17 Verfahren zum Verringern des Formaldehydgehalts in Spanplatten Withdrawn EP0193326A3 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FI850663A FI73169C (fi)	1985-02-18	1985-02-18	Foerfarande foer saenkning av formaldehydhalten i limmad traeskiva.
FI850663		1985-02-18

Publications (2)

Publication Number	Publication Date
EP0193326A2 EP0193326A2 (de)	1986-09-03
EP0193326A3 true EP0193326A3 (de)	1987-10-28

Family

ID=8520398

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP86301079A Withdrawn EP0193326A3 (de)	1985-02-18	1986-02-17	Verfahren zum Verringern des Formaldehydgehalts in Spanplatten

Country Status (2)

Country	Link
EP (1)	EP0193326A3 (de)
FI (1)	FI73169C (de)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1060024A (en) *	1964-09-24	1967-02-22	Casco Ab	Improvements in or relating to methods and devices for applying liquid to porous products
DE3431709A1 (de) *	1984-08-29	1986-04-24	Helmut Dr. 6052 Mühlheim Bayer	Verfahren zur beseitigung von formaldehyd in holzwerkstoffen

1985
- 1985-02-18 FI FI850663A patent/FI73169C/fi not_active IP Right Cessation
1986
- 1986-02-17 EP EP86301079A patent/EP0193326A3/de not_active Withdrawn

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1060024A (en) *	1964-09-24	1967-02-22	Casco Ab	Improvements in or relating to methods and devices for applying liquid to porous products
DE3431709A1 (de) *	1984-08-29	1986-04-24	Helmut Dr. 6052 Mühlheim Bayer	Verfahren zur beseitigung von formaldehyd in holzwerkstoffen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ADHÄSION, vol. 26, no. 3, March 1982, pages 18-23, Berlin, DE; E. ROFFAEL et al.: "Nachträgliche Behandlung von Spanplatten zur Verminderung ihres Formaldehydabgabepotentials" *

Also Published As

Publication number	Publication date
FI73169C (fi)	1987-09-10
FI850663L (fi)	1986-08-19
FI850663A0 (fi)	1985-02-18
EP0193326A2 (de)	1986-09-03
FI73169B (fi)	1987-05-29

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Legal Events

Date	Code	Title	Description
1986-07-18	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1986-09-03	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): BE DE FR GB IT
1987-09-08	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1987-10-28	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): BE DE FR GB IT
1988-05-04	17P	Request for examination filed	Effective date: 19880308
1989-05-31	17Q	First examination report despatched	Effective date: 19890414
1990-10-31	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
1990-12-19	18D	Application deemed to be withdrawn	Effective date: 19900625
2007-08-08	RIN1	Information on inventor provided before grant (corrected)	Inventor name: MAENPAA, ANTTI SAMULI Inventor name: PEKKINEN, PERTTI EINARI