Strong and dispersible paper products
US7767059B2 · kind B2 · utility
8Cited by
49References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 18, 2003 |
| Grant date | Aug 3, 2010 |
| Priority date | — |
| Expiry date | Jul 24, 2025 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H23/22
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The invention relates to a flushable paper product comprising a fibrous substrate having (i) at least one strength region comprising a reacted cationic or a reacted nonionic strength agent and (ii) at least one dispersibility region, wherein the paper product has (a) a dispersibility of at least one tenth of a second, (b) a dry strength, and (c) a wet strength of at least about five percent of the dry strength.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.