19993
Accession Number
11874
Title Of Journal Book
A method and apparatus for the removal of mildew and other stains from paper or parchment
Language Of Text
English
Literature Type
Unpublished : Patent
Literature Level
Monographic
Patent Number
Brit. UK Pat. Appl. GB 2,089,211 (C1. A01N59/00) 23 June 1982, Appl. 80/39, 693, 11 Dec. 1980
Abstract
A bleaching chamber and exposure to ozone are used to remove mildew and/or other stains from paper or parchment. A treatment to increase the pH to prevent recurrence of the mildew or stain and the apparatus for carrying out the treatments are described. -- AATA
pub_id
19993