Method and apparatus for the removal of mildew and other stains

Details Method and apparatus for the removal of mildew and other stains Method and apparatus for the removal of mildew and other stains

1981-11-25

1983-10-18

Lusignan, Michael R.

Coating processes

Transparency or translucency increased

8111, 427444, B05D 300, D06L 302, D06L 304

Patent

active

044105665

ABSTRACT:
A method for the treatment of paper or parchment to remove mildew or other stains therefrom consisting in passing, for a predetermined period of time, ozone over the paper or parchment in a bleaching chamber after said paper or parchment has been thoroughly wetted and subsequently giving it an inhibitory treatment to raise the Ph value that the paper or parchment enjoyed before treatment to a higher value such that it prevents the mildew or stains reappearing.

REFERENCES:
patent: 3318657 (1967-05-01), Wade

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