Back to results
US 11,632,982 B2Granted
Paper for smoking article and smoking article
AssigneeJapan Tobacco Inc.
InventorsTetsuya Yoshimura, Masato Miyauchi
Life of this patent
Estimating the term…
Abstract
A paper for smoking articles containing cellulose fibers, and being made by adding cellulose nanofibers and filler particles serving as an absorbent or a catalyst, wherein primary particles of the filler particles have an average particle diameter of 1 μm or less.
Claims9
A paper for smoking articles which is a mixture paper of cellulose fibers and cellulose nanofibers, and filler particles inside the mixture paper,
- wherein the filler particles serving serve as an absorbent or a catalyst and are contained in the paper for smoking articles in an amount of 2% by weight to 60% by weight,
- wherein primary particles of the filler particles having have an average particle diameter of 10 nm to 50 nm, and
- wherein the paper for smoking articles has an air permeability of 10 CORESTA units to 500 CORESTA units.
Dependencies are inferred from the claim text.