Rapidly dissolved water-soluble polymer composition
US4325861A · kind A · utility
43Cited by
7References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 3, 1980 |
| Grant date | Apr 20, 1982 |
| Priority date | — |
| Expiry date | Apr 3, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2300/10
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Water-soluble polymers are rapidly dissolved by employing a concentrate of (i) a water-soluble particulate polymer, (ii) a water-insoluble organic vehicle which is a non-solvent for the polymer, (iii) a nonionic surfactant agent having an HLB in the ranges of 3-5 and 9-13 and if necessary, a thickening agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.