Storage-stable, pumpable concentrated suspensions of water-soluble polymers
US4525515A · kind A · utility
33Cited by
15References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 25, 1983 |
| Grant date | Jun 25, 1985 |
| Priority date | — |
| Expiry date | Jul 25, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S524/922
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Storage-stable, pumpable, concentrated polymer suspensions, well adapted for use as thickening and flocculating agents, are comprised of (i) a water-soluble polymer, (ii) at least one water-soluble surfactant, and (iii) water, the amount of water being less than about 30% by weight of the total weight thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.