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US 2007/0191225 A1Published application
Novel plant protection composition absorbates and products for plant protection
AssigneeDegussa AG
InventorsFrank Heindl, Claus-Peter Drexel
Life of this patent
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Abstract
Absorbates having a high loading of particular substances for use in plant protection compositions, the use of a special process for the preparation of the absorbates and products for plant protection comprising the absorbates.
Claims28
An absorbate, comprising:
- at least one carrier material selected from the group consisting of a precipitated silica, a pyrogenic silica, a silica gel, a natural clay, a modified natural clay and a diatomaceous earth;
- and
- at least one particular substance for use in plant protection compositions or a mixture of substances comprising at least one particular substance for use in plant protection compositions;
- wherein the proportion of the particular substance for use in plant protection compositions or, in mixtures of at least two particular substances for use in plant protection compositions, the total amount of the particular substances for use in plant protection compositions, Xstand., is 70% to 99%.
1 more element
A process for making an absorbate, comprising:
- providing a liquid in a feed vessel, wherein the liquid comprises at least one of (1) a liquid or molten particular substance for use in plant protection compositions and (2) a liquid or molten mixture of substances comprising at least one particular substance for use in plant protection compositions;
- mixing, partly dissolving, or both mixing and partly dissolving, a gas in the liquid to form a mixture;
- feeding the mixture to an expansion element;
- conveying the mixture through the expansion element to expand the mixture;
- and
- adding at least one solvent pulverulent carrier material to the expanded mixture.
3 more elements
Dependencies are inferred from the claim text.