Capsular products
Patent 4137194 Issued on January 30, 1979. Estimated Expiration Date: 
January 30, 1996. 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.
January 30, 1996. 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 References 2544268 2874299 3468662 InventorAssigneeApplicationNo. 04/836333 filed on 06/25/1969US Classes:428/402.22, Addition polymer from unsaturated monomers only264/4.1, Liquid encapsulation utilizing an emulsion or dispersion to form a solid-walled microcapsule (includes liposome)427/213.31, With post-treatment of encapsulant or encapsulating material (e.g., further coating, hardening, etc.)427/214, Applying superposed diverse coatings or coating a coated base427/251, Moving the base428/402.2, Microcapsule with fluid core (includes liposome)430/138, MICROCAPSULE, PROCESS, COMPOSITION, OR PRODUCT430/220, Identified light absorbing, whitening, brightening, or reflecting agent other than nominal TiO2430/559, Dye containing8/526Dye in specified form other than mere powderExaminersPrimary: Lovering, Richard D.Attorney, Agent or FirmInternational ClassesG03C 1/00 (20060101)G03C 8/42 (20060101) G03C 8/00 (20060101) B01J 13/20 (20060101) B01J 13/22 (20060101) AbstractMicroscopic capsules comprising a nucleus surrounded by a film-forming polymeric layer having a substantially continuous light-reflecting metallic coating thereover. |
| ||||||||||||||
