Tobacco – Cigar or cigarette making – Including cooperating surfaces to induce rolling
Patent
1973-07-26
1977-05-10
Michell, Robert W.
Tobacco
Cigar or cigarette making
Including cooperating surfaces to induce rolling
131267, A24D 106
Patent
active
040222233
ABSTRACT:
Selected heavy metal compounds, particularly copper or nickel in the form of their salts, may be complexed with selected aliphatic or aromatic amines and deposited on a solid support or substrate to provide a material for the detection and/or removal of HCN from a mixture of gases; removal from tobacco smoke being particularly desirable. Certain novel compositions are also provided.
REFERENCES:
patent: 2815760 (1957-12-01), Schreus et al.
patent: 3046994 (1962-07-01), Schur
patent: 3340879 (1967-09-01), Horsewell et al.
patent: 3410282 (1968-11-01), Walker et al.
patent: 3724469 (1973-04-01), Reynolds et al.
"Chelating Agents and Metal Chelates," By Dwyer et al., Academic Press New York & London 1964.
Hoelzel Charles B.
Rainer Norman B.
Michell Robert W.
Millin V.
Philip Morris Incorporated
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