Pellet formulations
US6254892A · kind A · utility
5Cited by
3References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 22, 2000 |
| Grant date | Jul 3, 2001 |
| Priority date | — |
| Expiry date | Feb 22, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D17/0047
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention concerns chemical compositions in the form of pellets which disintegrate quickly and efficiently in aqueous media and a method of producing the pellets. Such pellets comprise (a) at least one constituent with pharmaceutical, agrochemical, water treatment, water softening, fabric softening or detergency activity; (b) at least one disintegration agent comprising one or more crosslinked polyacrylate water absorbent polymers with a gel-formation time of 30 seconds or less and (c) at least one water transport agent to transport water into the pellet when the pellet contacts water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.