Composition and method for stimulating pollen germination
US6303587A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 27, 1999 |
| Grant date | Oct 16, 2001 |
| Priority date | — |
| Expiry date | Dec 27, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01N43/16
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Composition for application, in particular to leaves, comprising an excipient, the conventional constituents of compositions for application, in particular to leaves, and an active ingredient, characterized by the fact that the active ingredient is constituted by at least one phytosanitary product capable of stimulating the germination of pollen grains, selected from the group comprising: PA1 oligosaccharides having a degree of polymerization up to 10 and comprising up to 10, preferably up to 5 and, even more preferably, two glucidic units linked by .beta.1-3, .beta.1-4 et .alpha.1-3, particularly those of the group comprising laminaribiose, cellobiose, nigerose, laminaritriose, laminaritetraose and laminaripentaose, PA1 derivatives of the above oligosaccharides substituted on the free anomeric carbon atom or on all the carbon atoms having a free hydroxide by a radical selected from the group comprising: PA2 C.sub.1 to C.sub.5 alkyl radicals, preferably the methyl radical, PA2 C.sub.1 to C.sub.5 acyl radicals, preferably the acetyl radical, PA2 aryl radicals, preferably pyridylamino radicals, PA2 cycloalkyl radicals from C.sub.x to C.sub.y, PA2 amines, PA2 the N-acetyl radical and …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.