Wood bleaching and cleaning composition containing an acid pyrop

Details Wood bleaching and cleaning composition containing an acid pyrop Wood bleaching and cleaning composition containing an acid pyrop

1992-04-08

1993-06-22

Albrecht, Dennis

Cleaning and liquid contact with solids

Processes

Using sequentially applied treating agents

134 42, 252136, 252142, 252143, 252DIG14, 427368, 428541, B08B 100, B08B 308, C11D 3065, C11D 320

Patent

active

052213595

ABSTRACT:
Method and compositions for restoring the original color and texture to degraded wood surfaces comprising an aqueous solution of an alkali metal acid pyrophosphate and a surfactant. An organic acid having a relatively low coefficient of toxicity can be optionally incorporated into the wood treating compositions to enhance the cleaning capacity of the solution. The nonabrasive compositions are capable of removing embedded soil and stains from wood surfaces without altering the mechanical properties of the wood structure.

REFERENCES:
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patent: 3166444 (1965-01-01), Ehren
patent: 3211659 (1965-10-01), Pikaar
patent: 3832234 (1974-08-01), Otrhalek
patent: 4007124 (1977-02-01), Collier
patent: 4477364 (1984-10-01), Garcia
patent: 4587030 (1986-05-01), Casey
patent: 4734138 (1988-03-01), Ely
patent: 4877459 (1989-10-01), Cockrell
patent: 5039441 (1991-08-01), Thomas

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