Cellulosic materials rendered transparent

Details Cellulosic materials rendered transparent Cellulosic materials rendered transparent

1983-03-23

1985-04-23

Ives, Patricia C.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428342, 428482, 428497, 428503, 428508, 428511, 428918, 427379, 524297, 1621681, B32B 2310, B32B 2708

Patent

active

045130566

ABSTRACT:
The invention relates to cellulosic supports rendered wholly or partly transparent by a process of impregnation. One of the characteristics of the impregnation compositions proposed is its aptitude to migrate very rapidly to the heart of the cellulosic supports. The invention is applicable to drawing, reproduction, windows for envelopes, lampshades, creation of watermarks by a photogravure process.

REFERENCES:
patent: 3589974 (1971-06-01), Albrinck et al.
patent: 3684551 (1972-08-01), Seiner

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