Solvents for agents to mass deacidify books and other paper prod

Details Solvents for agents to mass deacidify books and other paper prod Solvents for agents to mass deacidify books and other paper prod

1993-03-22

1994-01-11

Prescott, Arthur C.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

4273722, 427387, A61L 1300

Patent

active

052778428

ABSTRACT:
Solvents for agents or neutralizing media known in and of themselves for efficient, environmentally safe mass deacidification of books and other paper products, in the form of methylsiloxanes having at least two and maximally four silicon atoms, are a replacement for the previously used, environmentally unfavorable solvents such as chlorofluorohydrocarbons, whereby these special organosiloxanes are suitable to the same degree for use as solvents as well as for application in the recommended, efficient process and cause as little damage as possible to the books.

REFERENCES:
patent: Re23502 (1952-05-01), Barry et al.
patent: 2386441 (1945-10-01), Daudt
patent: 2441098 (1948-05-01), Hyde
patent: 2491843 (1949-12-01), Wilcock
patent: 2519881 (1950-08-01), Brewer
patent: 3771958 (1973-11-01), Kusterer et al.
patent: 3837804 (1974-09-01), Walker et al.
patent: 3969549 (1976-07-01), Williams et al.

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