Patent US2593267A successfully refreshed from Google Patents.
US2593267A
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Organotin compounds and compositions containing the same
Assignee: Primerica Inc
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Filing: 1951-05-03
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Granted: 1952-04-15
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Expires: 1971-05-03
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
2026-11-05 16:24
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/22; C07F7/2204; C08; C08K; C08K5/00; C08K5/56; C08K5/57
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
THE REACTION PRODUCT OF 0.25 TO 10 MOLS OF AN ORGANOTIN OXIDE WITH 1 MOL OF AN ALDEHYDE, SAID ORGANOTIN OXIDE HAVING TWO ORGANO GROUPS CONNECTED FROM THE TIN ATOM.
Claim 2
Dependent Claim
30 words
THE REACTION PRODUCT OF 0.25 TO 10 MOLS OF AN ORGANOTIN OXIDE WITH 1 MOL OF AN ALDEHYDE, SAID ORGANOTIN OXIDE HAVING TWO ORGANO GROUPS CONNECTED FROM THE TIN ATOM.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-15 | 1955-10-15 | 1956-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-15 | 1959-10-15 | 1960-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-15 | 1963-10-15 | 1964-04-15 | $7700.00 | Window Closed / Lapsed |