Poly(ethylene oxide) compositions with controlled solubility characteristics
US4310434A · kind A · utility
18Cited by
7References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 28, 1980 |
| Grant date | Jan 12, 1982 |
| Priority date | — |
| Expiry date | May 28, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D17/0056
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Solid cake compositions comprising poly(ethylene oxide), surfactant and water-soluble salt. The compositions have controlled solubility characteristics, thereby reducing the tendency of the resin to form a gel when the cake is contacted with water. The cakes are useful in dispensers which are employed in the flush tank of a toilet to automatically dispense chemicals to the flush water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.