US2524528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized chlorinated esters of fatty acids
Assignee: Primerica Inc
•
Filing: 1948-10-06
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Granted: 1950-10-03
•
Expires: 1968-10-06
Abstract
No abstract record available.
Inventors
- 👤 Ernest W Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:30
CPC Classifications
C; C07; C07C; C07C67/00; C07C67/48; C07C67/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A CHLORINATED ESTER OF A FATTY STABILIZED WITH UP TO ABOUT 5% BY WEIGHT OF AN ORGANIC TIN COMPOUND SELECTED FROM THE CLASS CONSISTING OF AN ALKYL STANNANE AND A DERIVATIVE OF SAID STANNANE SELECTED FROM THE CLASS CONSISTING OF AN ALKYL-ARYL STANNANE AND AN ALKYL-ACYLOXY STANNANE.
Claim 2
Dependent Claim
47 words
A CHLORINATED ESTER OF A FATTY STABILIZED WITH UP TO ABOUT 5% BY WEIGHT OF AN ORGANIC TIN COMPOUND SELECTED FROM THE CLASS CONSISTING OF AN ALKYL STANNANE AND A DERIVATIVE OF SAID STANNANE SELECTED FROM THE CLASS CONSISTING OF AN ALKYL-ARYL STANNANE AND AN ALKYL-ACYLOXY STANNANE.
References Cited (Backward Citations)
US2162255A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-02 | 1954-04-03 | 1954-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-02 | 1958-04-03 | 1958-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-02 | 1962-04-03 | 1962-10-03 | $7700.00 | Window Closed / Lapsed |