US2019000740A1PendingUtilityA1
Hyaluronic acid composition
Est. expiryFeb 3, 2031(~4.5 yrs left)· nominal 20-yr term from priority
A61P 17/00A61P 17/04A61P 17/06A61P 17/02A61P 19/02A61Q 7/00A61K 47/24A61L 2300/402A61K 31/167A61K 8/676A61K 31/445A61K 47/22A61K 8/602A61K 31/728A61L 27/54A61K 45/06A61Q 5/00A61L 31/042A61L 27/20A61K 31/375A61K 8/42A61L 31/16A61K 47/61A61L 2400/16A61K 8/735A61K 8/73A61K 31/245A61Q 19/08A61K 9/0019A61K 2800/91A61L 2400/06A61Q 19/007A61Q 19/004A61K 47/36A61K 9/06
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Claims
Abstract
An injectable hyaluronic acid composition including a hyaluronic acid; a local anesthetic selected from the group consisting of amide and ester type local anesthetics or a combination thereof; and an ascorbic acid derivative in an amount which prevents or reduces the effect on the viscosity and/or elastic modulus G′ of the composition caused by the local anesthetic upon sterilization by heat. Further, the medical and non-medical, such as cosmetic, use of such a composition, and to a method of manufacturing such a composition.
Claims
exact text as granted — not AI-modified1 . An injectable hyaluronic acid composition comprising a hyaluronic acid, a local anesthetic selected from the group consisting of amide and ester type local anesthetics or a combination thereof, and an ascorbic acid derivative in an amount which prevents or reduces the effect on the viscosity and/or elastic modulus G′ of the composition caused by the local anesthetic upon sterilization by heat.
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