Protein and starch surface sizings for oil and grease resistant paper
US6790270B1 · kind B1 · utility
6Cited by
12References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 21, 2003 |
| Grant date | Sep 14, 2004 |
| Priority date | — |
| Expiry date | Apr 17, 2023 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H19/72
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A paper sizing and coating composition suitable for use in food packaging that is effective over a range of atmospheric conditions. The composition includes a starch and a water-soluble protein having a bloom strength of at least about 150. The composition can be applied over a paper substrate to improved oil and grease resistance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.