Sheets containing microencapsulated color-coded micromagnets

Details Sheets containing microencapsulated color-coded micromagnets Sheets containing microencapsulated color-coded micromagnets

1978-01-25

1980-11-04

Pianalto, Bernard D.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

428329, 428338, 428900, 428928, B32B 326, B32B 518

Patent

active

042320844

ABSTRACT:
This invention relates to a hardened transparent sheet comprising a binder and hardened microcapsules, the microcapsules containing viewable color-coded micromagnets rotably dispersed in a liquid so as to be magnetically responsive, the microcapsules being pre-hardened independently of the hardening of the binder in forming the sheet.

REFERENCES:
patent: 2143946 (1939-01-01), Hunter
patent: 2536764 (1951-01-01), Moulton
patent: 3221315 (1965-11-01), Brown et al.
patent: 3779957 (1973-12-01), Vassiliades et al.
patent: 3938263 (1976-02-01), Tate
patent: 3982334 (1976-09-01), Tate

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