Patent · US Expired

Granular composition for tobacco filter

US4038992A · kind A · utility

48Cited by
9References
6Claims
0Family size

Assignees

Inventors

Key dates

Filing dateSep 29, 1975
Grant dateAug 2, 1977
Priority date
Expiry dateSep 29, 1995

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA24D3/06
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

A granular composition having a grain size of 10 to 50 mesh and a bulk density of 0.5 to 0.7 g/cm.sup.3 suitable for use in a tobacco filter or a tobacco pipe and having the ability to selectively remove carcinogenic and deleterious components from tobacco smoke comprises granules which are composed of bovine milk whey protein power and/or egg white protein powder, and one or more excipients selected from the group consisting of powdered cellulose, wheat flour, starch, rice flour, sugar, glucose, lactose, talc, alumina, zeolite or silica gel; or composite granules which are a blend of said granules and charcoal granules.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.