Amphoteric compositions and polymeric forms of alpha hydroxyacids, and their therapeutic use
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61K-023/30
A61K-031/70
A61K-031/66
출원번호
US-0393749
(1989-08-15)
발명자
/ 주소
Yu Ruey J. (4 Lindenwold Ave. Ambler PA 19002) Van Scott Eugene J. (3 Hidden La. Abington PA 19001)
인용정보
피인용 횟수 :
259인용 특허 :
0
초록▼
Preventive as well as therapeutic treatment to alleviate cosmetic conditions and symptoms of dermatologic disorders with amphoteric compositions containing alpha hydroxyacids, alpha ketoacids, related compounds or polymeric forms of hydroxyacids is disclosed. The cosmetic conditions and the dermatol
Preventive as well as therapeutic treatment to alleviate cosmetic conditions and symptoms of dermatologic disorders with amphoteric compositions containing alpha hydroxyacids, alpha ketoacids, related compounds or polymeric forms of hydroxyacids is disclosed. The cosmetic conditions and the dermatologic disorders in which the amphoteric compositions and the polymeric compounds may be useful include dry skin, dandruff, acne, keratoses, psoriasis, eczema, pruritus, age spots, lentigines, melasmas, wrinkles, warts, blemished skin, hyperpigmented skin, kyperkeratotic skin, inflammatory dermatoses, skin changes associated with aging, and skin requiring cleansers.
대표청구항▼
A composition comprising in combination an amphoteric or pseudoamphoteric agent and an alpha hydroxyacid, an alpha ketoacid or a related compound present in a therapeutically effective amount in a pharmaceutically acceptable vehicle for topical treatment of cosmetic conditions or dermatologic disord
A composition comprising in combination an amphoteric or pseudoamphoteric agent and an alpha hydroxyacid, an alpha ketoacid or a related compound present in a therapeutically effective amount in a pharmaceutically acceptable vehicle for topical treatment of cosmetic conditions or dermatologic disorders, said amphoteric or pseudoamphoteric agent being at least one member selected from the group consisting of amino acids, dipeptides, polypeptides, proteins, creatine, aminoaldonic acid, aminouronic acids, lauryl aminopropylglycine, aminoaldaric acids, neuraminic acid, desulfated heparin, deacetylated hyaluronic acid, hyalobiuronic acid, chondrosine, deacetylated chondroitin, creatinine, stearamidoethyl diethylamine, stearamidoethyl diethanolamine, stearaminopropyl dimethylamine, cocoamphoglycino cocoamphopropionate, cocoampho, propylsulfonate, phosphatidyl, ethanol-amine, phosphatidylserine and sphingomyelin, and zine oxide and aluminum oxide, said amphoteric or pseudoamphoteric agent being present in a concentration effective to form an amphoteric or pseudoamphoteric system with said alpha hydroxyacid, alpha ketoacid or related compound; said alpha hydroxyacid being at least one member selected from the group consisting of alkyl alpha hydroxyacid, aralkyl and aryl alpha hydroxyacid, polyhydroxy alpha hydroxyacid and polycarboxylic alpha hydroxyacid having the following chemical structure: [Figure] wherein Ra and Rb are H, F, Cl, Br, alkyl, aralkyl or aryl group of saturated or unsaturated, isomeric or non-isomeric, straight or branched chain, having 1 to 25 carbon atoms, or cyclic form having 5 or 6 ring members, and in addition Ra and Rb may carry OH, CHO, COOH and alkoxy group having 1 to 9 carbon atoms, said alpha hydroxyacid existing as a free acid or lactone form, or in salt form with an organic base or an inorganic alkali, and as stereoisomers, and D, L, and DL forms when Ra and Rb are not identical; said alpha ketoacid being at least one member selected from a group of compounds represented by the following chemical structure: [Figure] wherein Ra and Rb are H, alkyl, aralkyl or aryl group of saturated or unsaturated, isomeric or non-isomeric, straight or branched chain, having 1 to 25 carbon atoms, or cyclic form having 5 or 6 ring members, and in addition Ra may carry F, Cl, Br, I, OH, CHO, COOH and alkoxy group having 1 to 9 carbon atoms, said alpha ketoacid existing as a free acid or an ester form, or in a salt form with an organic base or an inorganic alkali; and said related compound being at least one member selected from the group consisting of ascorbic acid, quinic acid, isocitric acid, tropic acid, trethocanic acid, 3-chlorolactic acid, cerebronic acid, citramalic acid, agaricic acid, 2-hydroxynervonic acid, aleuritic acid and pantoic acid.
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