Patent US1579577A successfully refreshed from Google Patents.
Patent US2960463A successfully refreshed from Google Patents.
US2960463A
Expired / Lapsed
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Process of stabilizing aqueous emulsions of tertiary aromatic phosphites
Assignee: Hooker Chemical Corp
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Filing: 1957-03-26
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Granted: 1960-11-15
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Expires: 1977-03-26
Abstract
No abstract record available.
Inventors
- 👤 Hechenbleikner Ingenuin
- 👤 Carl W Pause
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:22
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/244; D06M13/282; D06M13/292; C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/141
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A PROCESS OF STABILIZING AN AQUEOUS EMULSION OF AN INERT ORGANIC SOLVENT SELECTED FROM THE GROUP CONSISTING OF HYDROCARBONS, HALOGENATED HYDROCARBONS AND VEGETABLE OILS AND TETRIARY AROMATIC PHOSPHITE SELECTED FROM THE GROUP CONSISTING OF TERTIARY ARYL PHOSPHITES, TERTIARY HALOARYL PHOSPHITES AND TERTIARY NITROARYL PHOSPHITES, COMPRISING ADJUSTING THE PH OF SAID EMULSION TO AT LEAST 8.
Claim 2
Dependent Claim
55 words
A PROCESS OF STABILIZING AN AQUEOUS EMULSION OF AN INERT ORGANIC SOLVENT SELECTED FROM THE GROUP CONSISTING OF HYDROCARBONS, HALOGENATED HYDROCARBONS AND VEGETABLE OILS AND TETRIARY AROMATIC PHOSPHITE SELECTED FROM THE GROUP CONSISTING OF TERTIARY ARYL PHOSPHITES, TERTIARY HALOARYL PHOSPHITES AND TERTIARY NITROARYL PHOSPHITES, COMPRISING ADJUSTING THE PH OF SAID EMULSION TO AT LEAST 8.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-15 | 1964-05-16 | 1964-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-15 | 1968-05-16 | 1968-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-15 | 1972-05-16 | 1972-11-15 | $7700.00 | Window Closed / Lapsed |