Treated wet process hardboard

Coating processes – Vacuum utilized prior to or during coating – Organic base

Reexamination Certificate

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Details

C162S128000, C428S292400

Reexamination Certificate

active

07851021

ABSTRACT:
A method of delivering and retaining zinc borate within a wet process hardboard is disclosed wherein process parameters are controlled and the borate is included in the overlay slush process of wet board processing.

REFERENCES:
patent: 2194827 (1940-03-01), Gordon
patent: 4038131 (1977-07-01), Baldwin et al.
patent: 4871473 (1989-10-01), Goettsche et al.
patent: 4879083 (1989-11-01), Knudson et al.
patent: 5478598 (1995-12-01), Shiozawa
patent: 5972266 (1999-10-01), Fookes et al.
patent: 6030562 (2000-02-01), Lehtinen et al.
patent: 6521288 (2003-02-01), Laks et al.
patent: 6881247 (2005-04-01), Batdorf
patent: 2001/0037035 (2001-11-01), Kutcel

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