Authenticatable bleached chemical paper products

Details Authenticatable bleached chemical paper products Authenticatable bleached chemical paper products

1999-01-20

2000-02-01

Silverman, Stanley S.

Paper making and fiber liberation

Processes and products

Safety, identification and fraud preventing paper

162141, 162142, 162149, 162198, 73 5303, 283 70, 283 72, D21F 1100, G07D 700, D21H 2140

Patent

active

060198729

ABSTRACT:
An authenticable paper product is prepared from a bleached chemical papermaking furnish containing a minor but detectable amount of lignin containing fibers selected from the group consisting of mechanical, thermomechanical, chemi-thermomechanical and bleached-chemi-thermomechanical.

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patent: 3829357 (1974-08-01), Thompson et al.
Brandis, "Evaluation opf spot tests for detecting lignin," Abbey Newsl. 17 No. 1: pp. 11-12, Paperchem Abstract, May 1993.

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