US2786080A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized polyoxyalkylene compositions
Assignee: Wyandotte Chemicals Corp
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Filing: 1953-11-25
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Granted: 1957-03-19
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Expires: 1973-11-25
Abstract
No abstract record available.
Inventors
- 👤 Jr John T Patton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:55
CPC Classifications
C; C10; C10M; C10M3/00; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2209/107; C10M2209/108; C10M2209/109; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2219/00; C10M2219/10; C10M2219/104; C10M2219/108; C10N; C10N2040/00; C10N2040/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
26 words
A COMPOSITION OF MATTER COMPRISING A POLYOXYLAKYLENE COMPOUND AND A STABILIZING QUANTITY OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF PHENOTHIAZINE AND CARBOCYCLIC ALKYL-SUBSTITUTED PHENOTHIAZINE.
Claim 2
Dependent Claim
26 words
A COMPOSITION OF MATTER COMPRISING A POLYOXYLAKYLENE COMPOUND AND A STABILIZING QUANTITY OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF PHENOTHIAZINE AND CARBOCYCLIC ALKYL-SUBSTITUTED PHENOTHIAZINE.
References Cited (Backward Citations)
US1970578A
Cited
US2133480A
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US2174761A
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US2520733A
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US2536685A
Cited
US2576094A
Cited
US2674619A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-18 | 1960-09-17 | 1961-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-18 | 1964-09-17 | 1965-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-18 | 1968-09-17 | 1969-03-19 | $7700.00 | Window Closed / Lapsed |