Process for grinding calcium carbonate in aqueous media
US5573188A · kind A · utility
6Cited by
11References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 23, 1994 |
| Grant date | Nov 12, 1996 |
| Priority date | — |
| Expiry date | Nov 23, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S423/15
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Ground calcium carbonate is prepared by a process of grinding a suspension containing calcium carbonate to be ground and a water-soluble grinding agent in an aqueous medium while the temperature of the aqueous suspension is kept at below 60.degree. C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.