Agent and method for preserving freshness of cut flowers
US5679617A · kind A · utility
6Cited by
5References
16Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jan 24, 1996 |
| Grant date | Oct 21, 1997 |
| Priority date | — |
| Expiry date | Jan 24, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01N3/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An agent for preserving freshness of cut flowers, which contains, as an active ingredient, at least one water-soluble polymer selected from the group consisting of: PA1 i) a polycondensation product obtained by a reaction of (a) at least one compound selected from the group consisting of an epihalohydrin, an alkylene dihalide, a diepoxide and a dihalogenoalkyl ether, with (b) at least one compound selected from the group consisting of an amine, a diamine and a polyamine, PA1 ii) an alkyleneimine polymer, and PA1 iii) a mixture of the polymers i) and ii).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.