Method and composition for enhanced plant productivity comprising fertilizer and cross-linked polyamino acid
US5861356A · kind A · utility
17Cited by
2References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 10, 1997 |
| Grant date | Jan 19, 1999 |
| Priority date | — |
| Expiry date | Jan 10, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC05G5/23
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
This invention relates to enhancing plant productivity employing a method and improved compositions containing water-soluble crosslinked polyamino acids having a weight average molecular weight of a size larger than about 1,500. More particularly, crosslinked polyamino acids enhance plant productivity when supplied to the plant directly as the free acid or salt thereof or hydrolyzed from a crosslinked precursor of the crosslinked polyamino acid by the method disclosed. Particularly suitable for this purpose are water-soluble, crosslinked polyaspartic acid, and salts thereof and hydrolyzed crosslinked polysuccinimide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.