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Last Updated: September 29, 2020

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Patent: 6,132,750

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Summary for Patent: 6,132,750
Title: Particles of cross-linked proteins and polysaccharides with hydroxamic groups for chelating metals and their uses notably in cosmetics
Abstract:The invention relates to small sized particles. These particles comprise at least on the surface thereof a wall composed of a mixture of at least one protein and at least one polysaccharide which are cross-linked, preferably by interfacial cross-linking with a polyfunctional acylating agent which forms at least amide and ester bonds, and optionally anhydride bonds with amine, hydroxyl or carboxyl functions of the protein and of the polysaccharide, and which comprise hydroxamic groups on the surface thereof for chelating metal ions. These particles can be used in cosmetics or in pharmacy notably for the chelation or release of metal ions.
Inventor(s): Perrier; Eric (Les Cotes d\'Arey, FR), Buffevant; Chantal (Millery, FR), Bonnet; Isabelle (Lyons, FR), Levy; Marie-Christine (Reims, FR)
Assignee: Coletica (FR)
Application Number:09/108,670
Patent Claims:see list of patent claims

Details for Patent 6,132,750

Applicant Tradename Biologic Ingredient Dosage Form BLA Number Approval Date Patent No. Assignee Estimated Patent Expiration Status Orphan Source
Smith And Nephew SANTYL collagenase OINTMENT;TOPICAL 101995 001 1965-06-04   Start Trial Coletica (FR) 2018-04-14 RX search
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Number >Approval Date >Patent No. >Assignee >Estimated Patent Expiration >Status >Orphan >Source

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