METHOD OF PRESERVING WOOD - NORTHERN TELECOM LTD

Title:

METHOD OF PRESERVING WOOD

Document Type and Number:

Japanese Patent JPS6137402

Kind Code:

A

Abstract:

A treatment for wood poles, as used for telecommunications and electric power poles, to reduce surface hardening comprises modifying the standard water based treatment solution of chrome, copper and arsenate salts by the addition of a polymer of ethylene oxide. A surface active agent is a further possible additive, and reduction of the hexavalent chrome ion in the standard solution is a further modification.

Inventors:

UIRIAMU PATORITSUKU TORANBURU

Application Number:

JP9395885A

Publication Date:

February 22, 1986

Filing Date:

May 02, 1985

Export Citation:

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