US2580730A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized chlorinated paraffins
Assignee: Primerica Inc
•
Filing: 1948-05-04
•
Granted: 1952-01-01
•
Expires: 1968-05-04
Abstract
No abstract record available.
Inventors
- 👤 James M Church
- 👤 Ernest W Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:43
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/08; C; C07; C07C; C07C17/00; C07C17/38; C07C17/42; C07F; C07F7/00; C07F7/22; C07F7/2208; C08; C08K; C08K5/00; C08K5/56; C08K5/57
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
CHLORINATED PARAFFINS HAVING ABOUT 10 TO ABOUT 40 CARBON ATOMS PER MOLECULE STABILIZED WITH UP TO ABOUT 5% BY WEIGHT OF A TIN HYDROCARBON COMPOUND OF THE FORMULA RXAR4-XSN, IN WHICH R IS THE BUTYL RADICAL, AR IS THE PHENYL RADICAL, SN IS TIN, AND X IS A WHOLE NUMBER EQUAL TO 1 TO 4.
Claim 2
Dependent Claim
55 words
CHLORINATED PARAFFINS HAVING ABOUT 10 TO ABOUT 40 CARBON ATOMS PER MOLECULE STABILIZED WITH UP TO ABOUT 5% BY WEIGHT OF A TIN HYDROCARBON COMPOUND OF THE FORMULA RXAR4-XSN, IN WHICH R IS THE BUTYL RADICAL, AR IS THE PHENYL RADICAL, SN IS TIN, AND X IS A WHOLE NUMBER EQUAL TO 1 TO 4.
References Cited (Backward Citations)
US2259978A
Cited
GB545500A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-31 | 1955-07-02 | 1956-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-31 | 1959-07-02 | 1960-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-31 | 1963-07-02 | 1964-01-01 | $7700.00 | Window Closed / Lapsed |