Patent US3828085A successfully refreshed from Google Patents.
US3828085A
Expired / Lapsed
US
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Novel amidoamine oxides
Assignee: Honeywell International Inc
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Filing: 1970-07-09
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Granted: 1974-08-06
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Expires: 1990-07-09
Abstract
Abstract AMIDOAMINE OXIDES OF THE FORMULA RF-CO-N(-Y)-R-Q WHEREIN RF IS A PERFLUOROALKYL GROUP OR A POLYFLUOROISOALKOXYALKYL GROUP; Y IS HYDROGEN OR A LOWER ALKYL GROUP; R IS A LOWER ALKYLENE RADICAL OR A DIRECT BOND BETWEEN NITROGEN AND A CARBON IN Q AND Q IS SELECTED FROM CERTAIN ALIPHATIC CYKCLOALIPHATIC AND HETEROCYCLIC AROMATIC RADICALS CONTAINING AN AMINE OXIDE GROUP. THESE COMPOUNDS ARE USEFUL AS SURFACE ACTIVE AGENTS IN LIQUID AND SOLID FIRE-FIGHTING COMPOSITIONS, IN DRUG COMPOSITIONS SUITABLE FOR INJECTION INTO THE BLOOD STREAM OF MAMMALS, AND IN ARTIFICIAL BLOOD COMPOSISIONS.
Inventors
- 👤 A Price
- 👤 A Fenster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:05
CPC Classifications
C; C07; C07C; C07C291/00; C07C291/02; C07C291/04; A; A62; A62D; A62D1/00; A62D1/0071; A62D1/0085
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) | 1977-08-05 | 1978-02-04 | 1978-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-05 | 1982-02-04 | 1982-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-05 | 1986-02-04 | 1986-08-06 | $7700.00 | Window Closed / Lapsed |