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US 2014/0155347 A1Published application
Spray Drying of High Molecular Weight Hyaluronic Acid
AssigneeNovozymes Biopharma DK A/S
InventorsKristoffer Toemmeraas, Poul Bach
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Abstract
A method of producing spray-dried hyaluronic acid comprising a) spray drying hyaluronic acid, wherein the concentration of the hyaluronic acid in the feed to the spray dryer is in the range of from 3.5 g/l to 7.0 g/l; b) having the temperature in the feed to the spray dryer in the range of from 0° C. to 100° C.; and wherein the molecular weight of the hyaluronic acid in the feed to the spray dryer is ≧1200 kDa.
Claims11
A method of producing spray-dried hyaluronic acid comprising
- a) spray drying hyaluronic acid, wherein the concentration of the hyaluronic acid in the feed to the spray dryer is in the range of from 3.5 g/l to 7.0 g/l;
- b) having the temperature in the feed to the spray dryer in the range of from 0° C. to 100° C.;
- and
- wherein the molecular weight of the hyaluronic acid in the feed to the spray dryer is ≧1200 kDa.
1 more element
Dependencies are inferred from the claim text.