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US 6,585,987 B1Granted
Complexes of hyaluronic acid/carnitines and pharmaceutical and cosmetic compositions
AssigneeContinental Projects Limited
InventorMichele Fransoni
Life of this patent
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Abstract
Complexes of hyaluronic acid and carnitine of its derivatives and the simple combinations of them are useful in therapeutics and cosmetics. They have pharmacological activity, that is protective activity on tissues and cell plasma membrane, anti-inflammatory, radical scavenging activities and the like, was well as cosmetic activity, such as restoring or maintaining cutaneous elasticity.
Claims26
A process for preparing a complex of hyaluronic acid with carnitine or an acylcarnitine, comprising
- (a) mixing carnitine or acylcarnitine and hyaluronic acid together in a solvent of ethanol and/or phosphate-buffered saline,
- (b) sonicating the mixture of step (a);
- (c) centrifuging the sonicated mixture of step (b) into two phases, and discarding the upper phase;
- and
- (d) recovering the complex.
2 more elements
A process for preparing a complex of hyaluronic acid with L-carnitine or an L-acylcarnitine, comprising
- (a) mixing L-carnitine or L-acylcarnitine and hyaluronic acid together in phosphate-buffered saline or a mixture of ethanol and phosphate buffered saline,
- (b) sonicating the mixture of step (a);
- (c) centrifuging the sonicated mixture of step (b) into two phases and discarding the upper phase, and
- (d) recovering the complex.
1 more element
Dependencies are inferred from the claim text.