Method of producing tobacco flavored cigarette filter

Abstract From the Canadian patent

There is disclosed a method of adding flavorant to cigarette filters. A cigarette filter is made by forming a filter web using non-woven web comprising thermoplastic meltblown fibers of filaments that are present a fused agglomerates in a number fraction exceeding 33 percent and wherein a majority of fiber crossings of agglomerates are weld points; adding tobacco extracts to the filter web such that the filter web contains between 10% and 110% tobacco extracts by weight of the filter web; adding glycerin or a glycerin-water mixture to the thus treated filter web; and forming the thus treated filter web into a rod.