Wrapping paper having transparent regions
US10362801B2 · kind B2 · utility
0Cited by
4References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 6, 2016 |
| Grant date | Jul 30, 2019 |
| Priority date | — |
| Expiry date | May 6, 2036 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H27/10
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The invention relates to a wrapping paper for smoking articles that contains pulp fibers and at least one acid-soluble filler, the content of acid-soluble filler being at least 10 wt % relative to the entire mass of the wrapping paper, and the wrapping paper having portions with a lower transparency and portions with a higher transparency.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.