US3704264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Encapsulation of monomeric materials
Assignee: Henkel Loctite Corp
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Filing: 1970-12-16
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Granted: 1972-11-28
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Expires: 1990-12-16
Abstract
Abstract SINGLE COMPONENT MICROCAPSULES CAN BE PREPARED BY FORMING OR INJECTING SMALL, DISCRETE PORTIONS OF LIQUID MONOMERIC COMPOSITION CAPABLE OF HOMOPOLYMERIZATION IN A FLUID CONTAINING A POLYMERIZATION CATALYST. A SHELL OF HOMOPOLYMER FORMS AROUND THE CORE OF THE LIQUID MONOMERIC COMPOSITIONS. THE LIQUID MONOMERIC COMPOSITION EMPLOYED IS AN ANAEROBIC COMPOSITION CONISTING ESSENTIALLY OF POLYMERIZABLE ACRYLATE ESTER MONOMER AND AN ORGANIC HYDROPEROXIDE POLYMERIZATION INITIATOR THEREFOR.
Inventors
- 👤 Jeremy W Gorman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:38
CPC Classifications
B; B01; B01J; B01J13/00; B01J13/02; B01J13/06; B01J13/14; B01J13/18; B01J13/185; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2984; Y10T428/2985; Y10T428/2987
Claims Analysis
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References Cited (Backward Citations)
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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) | 1975-11-28 | 1976-05-29 | 1976-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-28 | 1980-05-29 | 1980-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-28 | 1984-05-29 | 1984-11-28 | $7700.00 | Window Closed / Lapsed |