Granular composition for tobacco filter
US4038992A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Sep 29, 1975 |
| Grant date | Aug 2, 1977 |
| Priority date | — |
| Expiry date | Sep 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.