Flat material especially in the form of a sheet or a strip...

Details Flat material especially in the form of a sheet or a strip... Flat material especially in the form of a sheet or a strip...

2007-05-01

2007-05-01

Hess, Bruce H. (Department: 1774)

Record receiver having plural interactive leaves or a colorless

Having a colorless color-former, developer therefor, or...

Having nonreactant particles of defined size

C428S032390, C428S032500, C503S226000

Reexamination Certificate

active

11307014

ABSTRACT:
A flat sheet material for manufacturing leaf-like sheets for receiving information has at least one coating applied onto a first side of a substrate. Magnetically activatable particles are embedded in the at least one coating. The magnetically activatable particles have a grain size that is smaller than about 3 micrometers. The magnetically activatable particles are iron oxide arranged in a kaolin/SBR layer. A carbonless set can be made from the flat sheet material.

REFERENCES:
patent: 5006422 (1991-04-01), Sakurai et al.
patent: 0822532 (1998-04-01), None

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