Aqueous sizing compositions for shading in size press applications
US9797095B2 · kind B2 · utility
0Cited by
9References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 5, 2011 |
| Grant date | Oct 24, 2017 |
| Priority date | — |
| Expiry date | Feb 5, 2031 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H21/28
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The instant invention relates to liquid sizing compositions comprising shading dyestfuffs, derivatives of diaminostilbene, binders, protective polymers, and optionally divalent metal salts which can be used for the optical brightening of substrates, including substrates suitable for high quality ink jet printing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.