US2507142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of polymeric organic compounds
Assignee: Stabelan Chemical Co
•
Filing: 1947-07-10
•
Granted: 1950-05-09
•
Expires: 1967-07-10
Abstract
No abstract record available.
Inventors
- 👤 Charles J Chaban
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:42
CPC Classifications
C; C08; C08K; C08K13/00; C08K13/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A METHOD OF IMPROVING THE PROPERTIES OF THE PRODUCT OF THE POLYMERIZATION OF A COMPOSITION COMPRISING A SUBSTANCE CONTAINING A HALOGEN ATOM AND A POLYMERIZABLE CARBON-TO-CARBON DOUBLE BOND THAT COMPRISES SUBJECTING IT TO INTIMATE CONTACT WITH (4) FROM ONE-HUNDREDTH TO ONE-TENTH OF ITS WEIGHT OF AN INORGANIC PEROXIDE AND (B) FROM ONE-THOUSANDTH TO ONE-TWENTIETH OF ITS WEIGHT OF A METAL SALT OF AN ACID STRONGER THAN METABLORIC ACID WHOSE ONE PER CENT AQUEOUS SOLUTION HAS A PH FROM ABOUT 8 TO ABOUT 12.
Claim 2
Independent Claim
83 words
A METHOD OF IMPROVING THE PROPERTIES OF THE PRODUCT OF THE POLYMERIZATION OF A COMPOSITION COMPRISING A SUBSTANCE CONTAINING A HALOGEN ATOM AND A POLYMERIZABLE CARBON-TO-CARBON DOUBLE BOND THAT COMPRISES SUBJECTING IT TO INTIMATE CONTACT WITH (4) FROM ONE-HUNDREDTH TO ONE-TENTH OF ITS WEIGHT OF AN INORGANIC PEROXIDE AND (B) FROM ONE-THOUSANDTH TO ONE-TWENTIETH OF ITS WEIGHT OF A METAL SALT OF AN ACID STRONGER THAN METABLORIC ACID WHOSE ONE PER CENT AQUEOUS SOLUTION HAS A PH FROM ABOUT 8 TO ABOUT 12.
References Cited (Backward Citations)
US2218645A
Cited
US2179973A
Cited
US2307075A
Cited
US2462674A
Cited
US2438480A
Cited
US2432448A
Cited
US2438102A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-08 | 1953-11-07 | 1954-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-08 | 1957-11-07 | 1958-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-08 | 1961-11-07 | 1962-05-09 | $7700.00 | Window Closed / Lapsed |