Water absorbing polymers
US4559074A · kind A · utility
18Cited by
3References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 5, 1983 |
| Grant date | Dec 17, 1985 |
| Priority date | — |
| Expiry date | Aug 5, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S71/903
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Substantially non-ionic polyacrylamide cross linked with a low amount of cross linking agent is used as an additive for a plant growth medium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.