US PATENT SUBCLASS 131 / 373
.~ Impregnation of web
Current as of:
June, 1999
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131 /
HD
TOBACCO
370
DF
METHOD OR APPARATUS FOR MAKING RECONSTITUTED TOBACCO
{5}
373
.~ Impregnation of web
DEFINITION
Classification: 131/373
Impregnation of web:
(under subclass 370) Process or apparatus wherein a web of material is impregnated with a tobacco paste and allowed to dry.
(1) Note. The paste is usually a suspension of tobacco dust or particles and other additives such as adhesive.