Pressure sensitive recording papers

Details Pressure sensitive recording papers Pressure sensitive recording papers

B - Operations, Transporting

41

M

42/16

B41M 5/26 (2006.01) B41M 5/155 (2006.01) C07C 37/14 (2006.01) C07C 65/105 (2006.01) C07C 65/11 (2006.01) C07C 65/17 (2006.01)

Patent

CA 1104820

PRESSURE SENSITIVE RECORDING PAPERS Abstract of the Disclosure A dyestuff acceptor comprising polyvalent metal salts of aromatic carboxylic acid containing at least 12 carbon atoms and having a hydroxyl radical at the ortho-position to a carboxyl radical thereof forms stable and rich color by rapidly reacting with a dyestuff and constitutes a novel unit of pressure sensitive recording papers in combination with the dyestuff.

145410

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