US2591675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organotin compounds and compositions containing the same
Assignee: Primerica Inc
•
Filing: 1949-03-31
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Granted: 1952-04-08
•
Expires: 1969-03-31
Abstract
No abstract record available.
Inventors
- 👤 James M Church
- 👤 Ernest W Johnson
- 👤 Hugh E Ramsden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:47
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/22; C07F7/2204; C08; C08K; C08K5/00; C08K5/56; C08K5/57
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
38 words
AN ORGANOTIN COMPOUND HAVING THE FORMULA (R1R2SNO)X(OCR3R4), IN WHICH R1, R2 R3 AND R4 ARE RADICALS SELECTED FROM THE CLASS CONSISTING OF ALKYL, ALKENYL, ARYL, AND HETEROCYLIC RACICALS, AND X IS A NUMBER VARYING BETWEEN 1 AND 6.
Claim 2
Dependent Claim
38 words
AN ORGANOTIN COMPOUND HAVING THE FORMULA (R1R2SNO)X(OCR3R4), IN WHICH R1, R2 R3 AND R4 ARE RADICALS SELECTED FROM THE CLASS CONSISTING OF ALKYL, ALKENYL, ARYL, AND HETEROCYLIC RACICALS, AND X IS A NUMBER VARYING BETWEEN 1 AND 6.
Claim 3
Dependent Claim
21 words
AN ORGANIC, HALOGEN-CONTAINING MATERIAL HAVING INCORPORATED THEREIN FROM ABOUT 0.1 TO ABOUT 10% BY WEIGHT OF THE COMPOUND OF CLAIM 1.
References Cited (Backward Citations)
US2219463A
Cited
US2376313A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-08 | 1955-10-08 | 1956-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-08 | 1959-10-08 | 1960-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-08 | 1963-10-08 | 1964-04-08 | $7700.00 | Window Closed / Lapsed |