Products of high denier per filament and low total denier tow bands
US8967155B2 · kind B2 · utility
13Cited by
34References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 3, 2011 |
| Grant date | Mar 3, 2015 |
| Priority date | — |
| Expiry date | Feb 11, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49826
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method for forming a filter rod may include providing a bale of crimped tow band having about 10 denier per filament or greater and about 20,000 total denier or less, the crimped tow band comprising a plurality of cellulose acetate filaments; and placing the crimped tow band in an apparatus so as to form a filter rod.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.