Patent · US Active

Smoking article with heat resistant sheet material

US11224249B2 · kind B2 · utility

1Cited by
25References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 10, 2019
Grant dateJan 18, 2022
Priority date
Expiry dateJun 23, 2039

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA24D1/22
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

A smoking article includes a sheet material including a fibrous layer formed of cellulosic fibres and at least 50% by weight of inorganic filler material having a particle size in range of from 0.1 microns and 50 microns, wherein the sheet material has a tensile strength of at least 900 N/m. The fibrous layer includes a binder material, such as an organic binder material. The organic binder material can be a cellulosic binder material. A coating layer may be provided on at least one side of the fibrous layer.

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