Paper of value and a method of producing it

Details Paper of value and a method of producing it Paper of value and a method of producing it

1994-07-20

1996-10-22

Chin, Peter

Paper making and fiber liberation

Processes and products

Including solid non-waterlaid preform

162108, 162140, D21D 300, D21H 510

Patent

active

055672760

ABSTRACT:
The present invention relates to a paper of value having an embedded security element, preferably an optically variable element in the form of hologram, diffraction or interference structures applied to the paper surface, and to a method for producing such a paper of value. The paper of value is characterized by the fact that the optically variable element is embedded in the paper of value with the paper surface forming a plane that is even with the surface of the optically variable element.

REFERENCES:
patent: 2126922 (1938-08-01), Robinson
patent: 4420515 (1983-12-01), Amon et al.
patent: 4437935 (1984-03-01), Crane, Jr.
patent: 4534398 (1985-08-01), Crane
patent: 4547002 (1985-10-01), Colgate, Jr.
patent: 5020581 (1991-06-01), Gutierrez
Casey, "Pulp and Paper", Chemistry & Chemical Technology, 3rd Ed., vol. III .

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