Method of preparing the backer for the manufacture of man-made l

Details Method of preparing the backer for the manufacture of man-made l Method of preparing the backer for the manufacture of man-made l

1971-12-21

1976-03-30

Bashore, S. Leon

Paper making and fiber liberation

Processes and products

Multi-layer waterlaid webs or sheets

162132, 162143, 162144, 162168N, 427323, 427389, D21F 1100

Patent

active

039473163

ABSTRACT:
A method of preparing a backer for use in the production of man-made leather containing from 20 to 50% by weight of tanned collagen fibrous material.

REFERENCES:
patent: 3026242 (1962-03-01), Emery et al.
patent: 3294579 (1966-12-01), Tu
patent: 3542910 (1970-11-01), Barash et al.
patent: 3652381 (1972-03-01), Kremr

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