Method for preparing a composition by extraction of mother-of-pearl, composition obtained by said method and use thereof in cosmetics and dermatology
Patent 6936280 Issued on August 30, 2005. Estimated Expiration Date: 
October 5, 2020. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
October 5, 2020. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.InventorsAssigneeApplicationNo. 10089982 filed on 10/05/2000US Classes:424/547, Derived from mollusk424/489, Particulate form (e.g., powders, granules, beads, microcapsules, and pellets)424/78.03, Skin cosmetic coating514/773, Peptide containing514/951POWDERS, GRANULES OR PARTICLES OF SPECIFIED MESH OR PARTICLE SIZEExaminersPrimary: Flood, Michele C.Attorney, Agent or FirmForeign Patent References
International ClassesA61K031/74A61K009/14 A61K035/56 A61K047/00 A01N025/00 A61K007/48 AbstractA method for preparing a composition, comprising a) reducing mother-of-pearl into powder with grain size distribution ranging between about 1 and about 300 μm; b) placing the obtained powder in close contact with an extracting agent in the form of a hydroglycol solution of at least a collagen, of at least a proteoglycan or a mixture thereof; then c) in collecting the extraction mixture, formed by the close contact, constituting the desired composition. The composition obtainable by said method has very interesting properties relative to the skin and/or skin appendages, in particular tissue-regenerating properties, enabling for instance improved wound healing, and anti-ageing properties for preventing and/or visibly reducing effects related to skin and/or skin appendage ageing.Other References
Field of SearchDerived from molluskParticulate form (e.g., powders, granules, beads, microcapsules, and pellets) Skin cosmetic coating Anti-inflammatory or anti-irritant (e.g., anti-arthritic, etc.) EXTRACT, BODY FLUID, OR CELLULAR MATERIAL OF UNDETERMINED CONSTITUTION DERIVED FROM ANIMAL IS ACTIVE INGREDIENT POWDERS, GRANULES OR PARTICLES OF SPECIFIED MESH OR PARTICLE SIZE Peptide containing | |
