US3069447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organo-tin compounds and their preparation
Assignee: Primerica Inc
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Filing: 1960-04-01
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Granted: 1962-12-18
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Expires: 1980-04-01
Abstract
No abstract record available.
Inventors
- 👤 Gerry P Mack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:38
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
64 words
THE REACTION PRODUCT PREPARED BY REACTING AN OXIDE HAVING THE FORMULA R2SNO, WHEREIN R IS A GROUP SELECTED FROM THE CLASS CONSISTING OF PHENYL GROUPS AND ALKYL GROUPS HAVING UP TO 12 CARBON ATOMS, WITH AN ESTER SELECTED FROM THE CLASS CONSISTING OF PENTAERYTHRITOL TETRAMERCAPTOACETATE AND PENTAERYTHRITOL-TETRA-B-MERCAPTOPROPIONATE, IN A MOLAR RATIO OF ABOUT 2 PARTS OF THE OXIDE TO 1 PARTS OF THE ESTER.
Claim 2
Dependent Claim
64 words
THE REACTION PRODUCT PREPARED BY REACTING AN OXIDE HAVING THE FORMULA R2SNO, WHEREIN R IS A GROUP SELECTED FROM THE CLASS CONSISTING OF PHENYL GROUPS AND ALKYL GROUPS HAVING UP TO 12 CARBON ATOMS, WITH AN ESTER SELECTED FROM THE CLASS CONSISTING OF PENTAERYTHRITOL TETRAMERCAPTOACETATE AND PENTAERYTHRITOL-TETRA-B-MERCAPTOPROPIONATE, IN A MOLAR RATIO OF ABOUT 2 PARTS OF THE OXIDE TO 1 PARTS OF THE ESTER.
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) | 1965-12-17 | 1966-06-18 | 1966-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-17 | 1970-06-18 | 1970-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-17 | 1974-06-18 | 1974-12-18 | $7700.00 | Window Closed / Lapsed |