Method of expanding tobacco

Details Method of expanding tobacco Method of expanding tobacco

1989-08-04

1991-05-07

Millin, V.

Tobacco

Tobacco treatment

Puffing

131296, 131900, A24B 318

Patent

active

050128264

ABSTRACT:
The invention is directed to a process for increasing the filling capacity of tobacco wherein tobacco is contacted with a mixture of an inert, normally gaseous expansion agent and about 15-35 weight percent of carbon dioxide at a pressure above the critical pressure of the mixture and a temperature above the critical temperature of the mixture, followed by rapid release of pressure to provide expanded tobacco without a subsequent heating step. Advantageously, the expansion agent is propane.

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patent: 3683937 (1972-08-01), Fredrickson et al.
patent: 3771533 (1973-11-01), Armstrong et al.
patent: 4235250 (1980-11-01), Utsch
patent: 4258729 (1981-03-01), Burde et al.
patent: 4333483 (1982-06-01), Burde et al.
patent: 4336814 (1982-06-01), Sykes et al.
patent: 4414987 (1983-11-01), Utsch et al.
patent: 4524452 (1970-08-01), Moser et al.
patent: 4531529 (1985-07-01), White et al.
patent: 4630619 (1986-12-01), Korte et al.
patent: 4696313 (1987-09-01), Brown et al.

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