Process for the manufacture of a solid cosmetic composition using plaster of paris and cosmetic composition thereby obtained
Patent 5510107 Issued on April 23, 1996. Estimated Expiration Date: 
May 11, 2014. 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.
May 11, 2014. 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.Patent ReferencesCosmetics and process for preparation thereof Preparation of a self supporting cosmetic from a pigmented powder Method for producing powder cake cosmetics Cosmetic powder bar composition and process for making same Polymer compositions containing inorganic fillers coated with latex and process for preparing coated fillers Color cosmetic composition Patent #: 5283062 InventorsAssigneeApplicationNo. 240612 filed on 05/11/1994US Classes:424/401, Cosmetic, antiperspirant, dentifrice424/63, LIVE SKIN COLORANT CONTAINING424/64, Lip514/844COSMETIC, FACIALExaminersPrimary: Page, Thurman K.Assistant: Howard, Sharon Attorney, Agent or FirmForeign Patent References
International ClassA61K 007/48Foreign Application Priority Data1993-05-13 FRAbstractProcess for the manufacture of a solid cosmetic composition using plaster of Paris, in which:a pulverulent mixture (P) consisting of: 1) calcium sulphate hemihydrate (CaSO4.1/2 H2 O) in powder form, 2) a hydrophobic fraction (OF) comprising at least one fatty substance and/or at least one pulverulent substance treated by coating or chemical grafting so as to give it hydrophobic properties, 3) a hydrophilic fraction (IF) in powder form, is prepared, the weight proportion IF/OF being between 0.08 and 7.5;an aqueous phase (AP) in liquid form is prepared;the pulverulent mixture (P) and the aqueous phase (AP) are headed in a weight proportion P/AP of between 0.2 and 2, so as to obtain a pourable mixture;the pourable mixture is run into a mould;it is left to harden by hydration of the calcium sulphate hemihydrate to calcium sulphate dihydrate (CaSO4.2H2 O), and the product is removed from the mould. | |
