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US 2017/0362086 A1Published application
Elemental Selenium Nanoparticles and Production Method
AssigneePancosma S.A.
InventorsDavid Bravo, Lenz Markus
Life of this patent
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Abstract
The invention relates to elemental selenium nanoparticles, especially a product containing selenium nanoparticles, that can be produced from at least one organic compound and at least one selenium source, with a step of drying by atomisation. The invention also relates to a method for producing such a product and to a method for enriching, with elemental selenium nanoparticles, a product which already comprises elemental selenium nanoparticles.
Claims21
1-23. (canceled)
A powder containing selenium nanoparticles which can be obtained from:
- an amine compound;
- at least one source of selenium;
- and
- optionally, at least one pH modifier;
- by implementing a spray drying step, wherein said selenium nanoparticles have a particle size greater than 300 nm and of at most 1000 nm and said spray drying step is carried out at a temperature of at least 100° C.
2 more elements
A powder containing selenium nanoparticles which can be obtained from:
- at least one macromolecule which has undergone digestion by at least one enzyme;
- at least one source of selenium;
- and
- optionally, at least one pH modifier;
- by implementing a spray drying step, wherein said selenium nanoparticles have a particle size ranging from 1 nm to 1000 nm and said spray drying step is carried out at a temperature of at least 100° C.
2 more elements
Dependencies are inferred from the claim text.