| Patent Number |
Title Of Patent |
Date Issued |
| 4565662 |
Method for the production of particle boards |
January 21, 1986 |
| A method for the production of particle boards by addition of a hydrophobing agent and a curable glue to wood based particles, shaping of the particle mass and subsequent curing of the glue by application of pressure and heat. The quality of the board is increased by keeping the hydr |
| 4528309 |
Method for the production of cellulosic board materials |
July 9, 1985 |
| A method for producing board materials of cellulose containing components using formaldehyde-based curable glues. By treatment of at least one part of the components at a low moisture content with a formaldehyde absorbing agent the board materials obtained after pressing get a low conten |
| 4478966 |
Cellulosic board |
October 23, 1984 |
| A board of cellulose containing components using formaldehyde-based curable glues. By treatment of at least one part of the components at a low moisture content with a formaldehyde absorbing agent the board obtained after pressing get a low content of free formaldehyde and very good |
| 4362600 |
Use of polyalkylene oxides for the separation of cellulose fibres |
December 7, 1982 |
| Unbleached sulphae fibres are chemically separated from other fibres by the use of high molecular polyalkylene oxides, preferably polyethylene oxide. The polyalkylene oxides are added to aqueous suspensions of fibre mixtures and hereby flocculates unbleached sulphate fibres in a selectiv |
| 4175065 |
Method for glueing with curable, formaldehyde-based adhesives and a curing composition for use i |
November 20, 1979 |
| A hardener composition for precondensates or liquid resins containing resorcinol and formaldehyde or resorcinol-phenol and formaldehyde and a method for glueing by using them. The hardener composition contains powdered paraformaldehyde suspended in a suspending agent that includes a |
| 4051635 |
Apparatus for finishing shaped articles |
October 4, 1977 |
| An apparatus for finishing shaped articles which includes a working table, a finishing tool and movable mounting on said table for moving a shaped article toward and away from said finishing tool. |
| 3947064 |
Device for handling sheet material |
March 30, 1976 |
| This invention relates to a device for handling and transporting bundles of large sheets. |
| 3940352 |
Process for preparation of lignin resin |
February 24, 1976 |
| The present invention relates to a new process for preparation of lignin resin, i.e., thermosetting resin based on lignin, particularly from sulfite waste liquor, which resin for example can be used as a binder in particle board. |