Patent US3778456A successfully refreshed from Google Patents.
US3778456A
Expired / Lapsed
US
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Organo distannthianes and the preparation thereof
Assignee: Albright and Wood Ltd
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Filing: 1970-10-16
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Granted: 1973-12-11
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Expires: 1990-10-16
Abstract
Abstract THIS INVENTION IS ONE OF NOVEL COMPOUNDS OF THE FORMULA ((R)2-SN(-X)-S)N-(S(-X)(3-N))N-R'' WHEREIN R AND R'' ARE HYDROCARBONS, X IS A HYDROCARBON BONDED TO A TIN ATOM THROUGH A SULFUR ATOM AND N IS AN INTEGER OF LESS THAN 4, AND OF HALOGEN-CONTAINING POLYMERS STABILIZED AGAINST THE DETERIORATIVE EFFECTS OF HEAT BY THE PRESURE THEREIN OF SAID NOVEL COMPOUNDS.
Inventors
- 👤 P Hoye
- 👤 D Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:45
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: 0
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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) | 1976-12-10 | 1977-06-11 | 1977-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-10 | 1981-06-11 | 1981-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-10 | 1985-06-11 | 1985-12-11 | $7700.00 | Window Closed / Lapsed |