Materials and method of making same for low ignition propensity products
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United States of America Patent
Stats
-
Nov 11, 2003
Grant Date -
Sep 19, 2002
app pub date -
Jan 15, 2001
filing date -
Jan 15, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Novel materials for making low ignition propensity products are disclosed. Specifically, a treated cigarette paper for making low ignition propensity cigarettes are disclosed. The cigarette base paper containing a thermoplastic polymer aqueous suspension coated regions on a surface of the base paper so as to obtain coresta porosities of less than 15 is provided. This cigarette paper is further treated with a conditioning medium which is either water alone or water with a burning chemical such as an alkali metal containing organic salt either on the same surface bearing the thermoplastic polymer or on the opposite surface. The self-extinction characteristics of the cigarettes with the treated paper are improved. A method for making a cigarette paper for low ignition propensity cigarettes comprising a plurality of regions of a thermoplastic polymer aqueous suspension printed on to a surface of a base paper is also provided.
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