Patent US2493390A successfully refreshed from Google Patents.
US2493390A
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Stabilization of polymers with an inorganic peroxide and an ester of an oxyacid of phosphorus
Assignee: Stabelan Chemical Co
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Filing: 1947-05-29
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Granted: 1950-01-03
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Expires: 1967-05-29
Abstract
No abstract record available.
Inventors
- 👤 Charles J Chaban
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:45
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A METHOD OF IMPROVING THE PROPERTIES OF THE PRODUCT OF THE POLYMERIZATION OF A COMPOSITION COMPRISING A SUBSTANCE CONTAINER A HALOGEN ATOM AND A POLYMERIZABLE CARBON-TO-CARBON DOUBLE BOND THAT COMPRISES SUBJECTING IT TO INTIMATE CONTRACT WITH (A) FROM ONE-HUNDREDTH TO ONE-TENTH OF ITS WEIGHT OF AN INORGANIC PEROXIDE AND (B) FROM ONE-THOUSANDTH TO ONE-TENTH OF ITS WEIGHT OF AN ESTER OF AN OXYACID OF PHOSPHORUS, AT A PH FROM ABOUT 8 TO ABOUT 12.
Claim 2
Independent Claim
74 words
A METHOD OF IMPROVING THE PROPERTIES OF THE PRODUCT OF THE POLYMERIZATION OF A COMPOSITION COMPRISING A SUBSTANCE CONTAINER A HALOGEN ATOM AND A POLYMERIZABLE CARBON-TO-CARBON DOUBLE BOND THAT COMPRISES SUBJECTING IT TO INTIMATE CONTRACT WITH (A) FROM ONE-HUNDREDTH TO ONE-TENTH OF ITS WEIGHT OF AN INORGANIC PEROXIDE AND (B) FROM ONE-THOUSANDTH TO ONE-TENTH OF ITS WEIGHT OF AN ESTER OF AN OXYACID OF PHOSPHORUS, AT A PH FROM ABOUT 8 TO ABOUT 12.
References Cited (Backward Citations)
US2068424A
Cited
US2322756A
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US2388319A
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US2404817A
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US2421408A
Cited
US2419354A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-02 | 1953-07-04 | 1954-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-02 | 1957-07-04 | 1958-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-02 | 1961-07-04 | 1962-01-03 | $7700.00 | Window Closed / Lapsed |