Filter for cigarettes, cigarillos or pipes

Details Filter for cigarettes, cigarillos or pipes Filter for cigarettes, cigarillos or pipes

A - Human Necessities

24

D

131/18

A24D 3/00 (2006.01) A24D 3/14 (2006.01)

Patent

CA 1077797

ABSTRACT OF THE DISCLOSURE The present invention provides a filter for cigarettes, cigarillos or pipes which contains liquid phosphoric acid esters and/or naphthalene sulphonic acids, which are not soluble in water and which are miscible with organic solvents, having the general formulae: (RO) PO (OH)2 (I) (RO)2 PO (OH) (II) Image (III) wherein R represents a straight-chain, branched or cyclic aliphatic hydrocarbon radicals.

288198

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