Sizing composition
US9127407B2 · kind B2 · utility
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2References
15Claims
0Family size
Assignee
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Key dates
| Filing date | Apr 15, 2013 |
| Grant date | Sep 8, 2015 |
| Priority date | — |
| Expiry date | Jul 10, 2033 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H21/38
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A sizing composition includes from about 3 kg/ton to about 15 kg/ton of calcium propionate, an additive, and a balance of water. The additive is selected from the group consisting of starch, an optical brightener, a biocide, a defoamer, a surface size agent, a wet strength additive, and combinations thereof. The sizing composition has a pH ranging from 7 to 8.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.