Process for grinding calcium carbonate in aqueous media
US5181662A · kind A · utility
15Cited by
9References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 25, 1991 |
| Grant date | Jan 26, 1993 |
| Priority date | — |
| Expiry date | Jun 25, 2011 |
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 and a water-soluble grinding agent in an aqueous medium while the temperature of the aqueous suspension is kept at or below 60.degree. C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.