US2809956A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymeric organo-tin mercapto compounds, method of making same, and halogen-containing resins stabilized therewith
Assignee: Carlisle Chemical Works Inc
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Filing: 1953-10-05
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Granted: 1957-10-15
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Expires: 1973-10-05
Abstract
No abstract record available.
Inventors
- 👤 Gerry P Mack
- 👤 Heights Jackson
- 👤 Parker Emery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:14
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/56; C08K5/57; C08K5/58; C07; C07F; C07F7/00; C07F7/22; C07F7/226
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
18 words
AS A NEW GROUP OF ORGANO-TIN COMPOUNDS, MERCAPTO DERIVATIVES OF A HYDROCARBON SUBSTITUTED LINEAR POLYSTANNANEDIOL OF THE FORMULA:
Claim 2
Dependent Claim
18 words
AS A NEW GROUP OF ORGANO-TIN COMPOUNDS, MERCAPTO DERIVATIVES OF A HYDROCARBON SUBSTITUTED LINEAR POLYSTANNANEDIOL OF THE FORMULA:
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-14 | 1961-04-15 | 1961-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-14 | 1965-04-15 | 1965-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-14 | 1969-04-15 | 1969-10-15 | $7700.00 | Window Closed / Lapsed |