Patent US3108126A successfully refreshed from Google Patents.
US3108126A
Expired / Lapsed
US
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Process of making polybutyl tin sulfides
Assignee: Compagnie de Saint Gobain SA
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Filing: 1957-01-11
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Granted: 1963-10-22
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Expires: 1977-01-11
Abstract
No abstract record available.
Inventors
- 👤 Crauland Marc Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:08
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
41 words
THE METHOD OF PREPARING TRIBUTYL TIN SULFIDES THAT COMPRISES REACTING SODIUM MONOSULFIDE AND TRIBUTYL TIN CHLORIDE IN AQUEOUS MEDIUM AT A TEMPERATURE BETWEN ROOM TEMPERATURE AND 100*C., COOLING THE REACTION PRODUCT TO AMBIENT TEMPERATURE AND SEPARATING THE TRIBUTYL TIN SULFIDE THEREFROM.
Claim 2
Independent Claim
41 words
THE METHOD OF PREPARING TRIBUTYL TIN SULFIDES THAT COMPRISES REACTING SODIUM MONOSULFIDE AND TRIBUTYL TIN CHLORIDE IN AQUEOUS MEDIUM AT A TEMPERATURE BETWEN ROOM TEMPERATURE AND 100*C., COOLING THE REACTION PRODUCT TO AMBIENT TEMPERATURE AND SEPARATING THE TRIBUTYL TIN SULFIDE THEREFROM.
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) | 1966-10-21 | 1967-04-22 | 1967-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-21 | 1971-04-22 | 1971-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-21 | 1975-04-22 | 1975-10-22 | $7700.00 | Window Closed / Lapsed |