Paper substrates useful in wallboard tape applications
US8388802B2 · kind B2 · utility
1Cited by
86References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 5, 2012 |
| Grant date | Mar 5, 2013 |
| Priority date | — |
| Expiry date | Apr 5, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31993
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
This invention relates to paper products and/or substrates suitable for being made and/or converted into wallboard tape; which also may be known as joint tape and/or drywall tape, having a pH of at least 7.0 and containing a plurality of cellulose fibers, a wet strength additive, an alkaline sizing agent, and an anionic promoter, as well as methods of making and using the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.