Grinding aid of mineral materials in aqueous suspension, resulting aqueous suspensions and uses thereof
US7615587B2 · kind B2 · utility
4Cited by
2References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 18, 2001 |
| Grant date | Nov 10, 2009 |
| Priority date | — |
| Expiry date | Aug 4, 2022 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H19/385
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The invention concerns the use of hydrosoluble homopolymers and/or copolymers of acrylic/or methacrylic acid with one or more acrylic, vinyl or allyl monomers as an aid to the grinding of mineral particles in aqueous suspension, providing them by their use particular optical properties. The invention also concerns the said aqueous suspensions and their uses in the fields of paper and paint.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.