Patent · US Active

Medium dpf and total denier cellulose acetate tow

US11758939B2 · kind B2 · utility

0Cited by

11References

16Claims

0Family size

Assignee

Acetate International LLC · US

Inventors

Christopher M. Bundren · Blacksburg, US
Austin BANKS · Blacksburg, US
William S. Sanderson · Blacksburg, US
Philip Caenen · Lanaken, BE
Christophe LOIX · Gellik, BE

Key dates

Filing date	Mar 24, 2021
Grant date	Sep 19, 2023
Priority date	—
Expiry date	Nov 23, 2041

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD10B2505/04
WIPO fieldOther consumer goods
WIPO sectorOther fields

Abstract

Disclosed are cellulose acetate tows, bales, and filter rods having from greater than 9 to less than 12.5 denier per filament and from 20,000 to 40,000 total denier, for use in smoking devices, including aerosol-generating devices such as an electrically heated cigarette.

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