Vitamin A compositions
Patent 4254100 Issued on March 3, 1981. Estimated Expiration Date: 
March 7, 2000. 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.
March 7, 2000. 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 ReferencesInventorsAssigneeApplicationNo. 06/128078 filed on 03/07/1980US Classes:424/499, Contains proteins or derivative or polysaccharides or derivative424/500, Contains natural gums and resins424/501, Contains solid synthetic resin424/502, Contains waxes, higher fatty acids, higher fatty alcohols514/557Carboxylic acid, percarboxylic acid, or salt thereof (e.g., peracetic acid, etc.)ExaminersPrimary: Rose, Shep K.Attorney, Agent or FirmInternational ClassesA61K 31/07 (20060101)A61K 31/045 (20060101) A61K 9/50 (20060101) Foreign Application Priority Data1977-03-25 CHAbstractMicrocrystalline vitamin A acetate dry free-flowing powders containing microcrystalline vitamin A acetate and a process for their preparation are disclosed. | |
