Carbonless copying papers

C - Chemistry – Metallurgy – 08 – G

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C08G 18/79 (2006.01) B01J 13/08 (2006.01) B01J 13/12 (2006.01) B01J 13/16 (2006.01) B41M 5/165 (2006.01)

Patent

CA 1090570

CARBONLESS COPYING PAPERS Abstract of the Disclosure Carbonless copying papers of which the donor layer contains microcapsules of a solution of dyestuff precursors in organic solvents as core material and polycarbodiimides as shell material.

276644

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