Cigarettes
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 8, 1987
Grant Date -
N/A
app pub date -
Aug 30, 1984
filing date -
May 4, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The core of a cigarette is covered with a sheath made of material which does not generate any appreciable amount of smoke when the cigarette is sucked but burns when the cigarette is sucked. The material is made of starch, agar, gelatin or a mixture thereof.
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