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Tobacco sheet reinforced with hardwood pulp

  • US 4,306,578 A
  • Filed: 07/28/1980
  • Issued: 12/22/1981
  • Est. Priority Date: 03/17/1978
  • Status: Expired due to Term
First Claim
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1. A formable composition comprising comminuted tobacco or tobacco substitute, an adhesive agent therefor, and from about 2 to about 12 percent by weight (dry basis) of unrefined short cellulose fiber, said fiber having an average length of less than 2.0 mm effective to enhance tensile or tear properties in sheet formed therefrom said tobacco or tobacco substitute, adhesive agent, and cellulose fiber being dispersed in an aqueous slurry at a level of at least about 10 percent solids by weight wherein said cellulose fiber is selected from the group consisting of unrefined hardwood pulp, bagasse, bamboo, rice straw, wheat straw and Esparto grass.

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