Patent US2554060A successfully refreshed from Google Patents.
US2554060A
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Stabilization of polymethylene ethyl methyl ketone with resorcinol disalicylate
Assignee: Monsanto Chemicals Ltd
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Filing: 1946-05-11
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Granted: 1951-05-22
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Expires: 1966-05-11
Abstract
No abstract record available.
Inventors
- 👤 Nicholas N T Samaras
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:43
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/101; C08K5/105; C08K5/107
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A PROCESS OF IMPROVING THE STABILITY OF POLYMETHYLENE ETHYL METHYL KETONE WHICH IS NORMALLY LIGHT AND WEATHER UNSTABLE COMPRISING INCORPORATING THEREIN 1 TO 25% OF RESORCINOL DISALICYLAT
Claim 2
Dependent Claim
27 words
A PROCESS OF IMPROVING THE STABILITY OF POLYMETHYLENE ETHYL METHYL KETONE WHICH IS NORMALLY LIGHT AND WEATHER UNSTABLE COMPRISING INCORPORATING THEREIN 1 TO 25% OF RESORCINOL DISALICYLAT
References Cited (Backward Citations)
US2407051A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-21 | 1954-11-20 | 1955-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-21 | 1958-11-20 | 1959-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-21 | 1962-11-20 | 1963-05-22 | $7700.00 | Window Closed / Lapsed |