Encapsulation
Abstract
Abstract ENCAPSULATION OF LIQUIDS WITH METAL. A CORE LIQUID IS DISPERSED IN A CARRIER LIQUID IN WHICH IT IS ESSENTIALLY INSOLUBLE (ONE OF THE LIQUID BEING AQUEOUS), IN A CONTAINER WHOSE SURFACE IS PHOBIC TO THE CORE LIQUID. METALLIZING AND REDUCING COMPOUNDS ARE ADDED. NUCLEATING METAL IS DEPOSITED AT THE INTERFACE BETWEEN THE LIQUIDS BY INTRODUCING A SURFACTANT-TYPE METAL-ORGANIC COMPOUND OF THE HYDROPHOBIC-HYDROPHILIC TYPE HAVING A MORE READILY OXIDIZABLE METAL ION THAN THE METAL OF THE METALLIZING AGENT, SO THAT MOLECULES OF THE SURFACTANT ALIGN THEMSELVES AT THE INTERFACE AND PRESENT THEIR METAL IONS TO THE AQUEOUS LIQUID TO NUCLEATE DEPOSITION OF METALLIZING IONS. IN ONE EMBODIMENT, THE METALLIZING MATERIALS, ARE DISPOSED TO DEPOSIT A NOBLE METAL AT THE INTERFACE, AND THE RESULTING NOBLE-METAL-COATED CAPSULES ARE SUBSEQUENTLY OVER-COATED WITH ONE OR MORE LAYERS OF A NON-NOBLE METAL BY ELECTRODEPOSITION.
Inventors
- 👤 N Crites
- 👤 G Schaer
Bibliographic Details
Claims Analysis
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-01-28 | 1977-07-30 | 1978-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-28 | 1981-07-30 | 1982-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-28 | 1985-07-30 | 1986-01-29 | $7700.00 | Window Closed / Lapsed |