PARTIALLY DEPOLYMERIZED GLYCOSAMINOGLYCAN SILVER AND GOLD SALTS

It relates to a process for the preparation of partially depolymerized glycosaminoglycan metal salts, wherein the metal is gold or silver, which comprises the steps of: a) depolymerization of a high molecular weight glycosaminoglycan metal salt; wherein the metal is different from gold or silver wit...

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Main Authors FLORES I SALGADO FRANCESC, COSTA I RIEROLA MARGARITA, FLORES I COSTA ROGER, FLORES I COSTA LAIA, BENÍTEZ JIMÉNEZ ANTONIO FRANCISCO
Format Patent
LanguageEnglish
Published 08.01.2015
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
DERIVATIVES THEREOF
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
POLYSACCHARIDES
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Summary:It relates to a process for the preparation of partially depolymerized glycosaminoglycan metal salts, wherein the metal is gold or silver, which comprises the steps of: a) depolymerization of a high molecular weight glycosaminoglycan metal salt; wherein the metal is different from gold or silver with a depolymerizing agent selected from the group consisting of potassium permanganate, sodium hydroxide; and hydrogen peroxide; b) bleaching with hydrogen peroxide; and c) metal ion exchange. It also relates to the partially depolymerized glycosaminoglycan gold or silver salts obtainable by said process, to their oral or topical pharmaceutical or cosmetic compositions, to their pharmaceutical uses for the treatment and/or prevention of wounds, scars, burns, microbial infections and inflammatory processes of the skin; and to their cosmetic uses for skin care.
Bibliography:Application Number: US201314375306