Composition for preparing paperboard container for liquids
US4613635A · kind A · utility
4Cited by
2References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 8, 1985 |
| Grant date | Sep 23, 1986 |
| Priority date | — |
| Expiry date | Apr 8, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L97/02
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Disclosed is a composition useful for preparing paperboard containers comprising wood pulp, polyolefin pulp containing carboxylic functionality and a water-soluble cationic wet-strength resin. The paperboard is used for preparing containers for liquids such as juices and dairy products. The filled containers have improved durability when exposed to high humidity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.