US3780092A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Monomeric emulsion stabilizers
Assignee: Kendall Co
•
Filing: 1969-10-20
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Granted: 1973-12-18
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Expires: 1989-10-20
Abstract
Abstract A NOVEL CLASS OF MONOMERIC EMULSION STABILIZERS CONSISTS OF CERTAIN TYPES OF ETHYLENICALLY-UNSATURATED RADICALS COVALENTLY LINKED TO A QUATERNARY NITROGEN ATOM WHICH IN TURN IS COVALENTLY LINKED TO A LIPOPHILIC RADICAL. SUCH MONOMERS WILL POLYMERIZE WITH OTHER ETHYLENICALLY-UNSATURATED RADICALS FORMING SELF-STABILIZED, SURFACTANT-FREE POLYMERIC DISPERSIONS.
Inventors
- 👤 C Samour
- 👤 M Richards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:32
CPC Classifications
C; C08; C08F; C08F2/00; C08F2/12; C08F2/16; C08F2/22; C08F2/24; C08F2/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-12-17 | 1977-06-18 | 1977-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-17 | 1981-06-18 | 1981-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-17 | 1985-06-18 | 1985-12-18 | $7700.00 | Window Closed / Lapsed |