Brown cigarette wrappers

Details Brown cigarette wrappers Brown cigarette wrappers

1977-04-28

1979-03-27

Michell, Robert W.

Tobacco

Cigar or cigarette making

Including cooperating surfaces to induce rolling

131 2, 131140C, 162139, 162162, 8 7, A24D 1503

Patent

active

041460413

ABSTRACT:
The present invention relates to brown cigarette paper having reduced gas phase constituents during pyrolysis wherein the paper which has been stained with humic acid or salts thereof is further treated by washing with water in an amount effective to reduce the amount of water-soluble alkali metal salts present in the paper.

REFERENCES:
abstract Bulletin, Institute of Paper Chemistry, 31:1027.
CA 47:7778e.
Recent Progress in the Chemistry of Natural and Synthetic Colouring Matters, T. S. Gore et al., Ed. Academic Press, N. Y. (1962), pp. 107-108.
CA 24:3020.

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