Archival aperture card

Paper making and fiber liberation – Processes and products – With coating after drying

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Details

162141, 162146, 162149, 162158, 162175, 1621812, D21H 1500

Patent

active

052640809

ABSTRACT:
Archival quality aperture cards manufactured from stock formulation including:

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Nalco, Product Bulletin, NALSIZE 7540 alkaline size, 2 pages, 1982.
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Ivanov et al, "Development of a Composition for Letterpress Paper with Improved Durability and Printability" (Abstract), Abstract Bulleltin of the Institute of Paper Chemistry, vol. 46, No. 10, p. 1047, Apr. 1976.
European Patent Office, European Search Report corresponding to Application No. EP 92 30 3142, 2 pages, 1992.

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