Furan polymer impregnated wood

Details Furan polymer impregnated wood Furan polymer impregnated wood

2003-07-21

2010-12-28

Kiliman, Leszek (Department: 1788)

Stock material or miscellaneous articles

Composite

Of carbohydrate

C428S535000, C428S536000, C428S537100, C427S440000, C252S399000, C252S388000

Reexamination Certificate

active

07858203

ABSTRACT:
A furan polymer impregnated wood which comprises wood impregnated with a polymerizable furfuryl alcohol monomer mixture containing at least water and furfuryl alcohol, and an initiator selected from the group consisting of anhydrides, acids and combinations thereof is described. For longer storage life, the mixture contains a stabilizer selected from sodium carbonate, sodium bicarbonate, sodium citrate, phosphates and water-soluble lignin derivatives such as calcium and ammonium salts of lignosulfonic acids, and combinations thereof. A method for preparing a furan impregnated wood and uses thereof is also described.

REFERENCES:
patent: 2909450 (1959-10-01), Goldstein
patent: HEI 05-31705 (1993-02-01), None
patent: 313183 (2002-04-01), None
patent: 313273 (2002-08-01), None
patent: WO 02/30638 (2002-04-01), None
patent: WO 02/060660 (2002-08-01), None
Philippou et al, 1982 a : Bonding of particleboard using hydrogen peroxide, lingosulfonates and furfuryl alcohol. Forest Prod. J.32 (5): 55-61.
Philippou, et al, “Bonding of particle board using hydrogen peroxide, lignosulfates and furfuryl alcohol . . . ”, Forest Prod. J., 32(5):55-61, 1982.
Office Action of Sep. 26, 2007 in U.S. Appl. No. 11/304,722.
Office Action of Feb. 4, 2009 in U.S. Appl. No. 11/304,722 (as mentioned to the examiner in the recent amendment in this matter of Mar. 16, 2009).
JP Patent Office, Office Action dated May 7, 2009.

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