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2 470 770

(13)

(51)

IPC

B27K5/02(2006-01-01)

B27K3/08(2006-01-01)

(21) (22)

Application

2011128459/13, 2011-07-08

(24)

Start date

2011-07-08

(22)

Actual filing date

2011-07-08

(45)

Published

2012-12-27

(72)

Inventor

Sokolov Vladislav L'VovichBajandin Mikhail AndreevichZvonareva Polina Pavlovna

(73)

Holder

Federal'Noe Gosudarstvennoe Bjudzhetnoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennyj Tekhnologicheskij Universitet"

METHOD OF WOOD REFINEMENT Russian patent published in 2012 - IPC B27K5/02 B27K3/08

Abstract RU 2470770 C1

FIELD: process engineering.

SUBSTANCE: invention relates to woodworking, particularly, to wood dyeing and modification. Birchwood is refined by treatment by water solutions of chemicals. At first step, birchwood is impregnated with water solution of p-phenylenediamine or o- phenylenediamine. At second step, it is impregnated with solution of copper or iron sulfate combined with carbamide solution at 18-22°C.

EFFECT: better decorative properties, longer life.

3 ex

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RU 2 470 770 C1

Authors

Sokolov Vladislav L'Vovich

Bajandin Mikhail Andreevich

Zvonareva Polina Pavlovna

Dates

2012-12-27—Published

2011-07-08—Filed