US3576785A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organotin stabilized resin compositions
Assignee: Carlisle Chemical Works Inc
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Filing: 1969-09-04
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Granted: 1971-04-27
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Expires: 1989-09-04
Abstract
Abstract WHEREIN R AND R" ARE ALKYL RADICALS. R'' IS SELECTED FROM THE GROUP CONSISTING OF AN ALKYLENE GROUP OF AT LEAST 2 METHYLENE GROUPS, X IS A MEMBER OF THE GROUP CONSISTING OF OXYGEN AND SULFUR, N IS AN INTEGER FROM 1 TO 3 AND Y DESIGNATES THE DEGREE OF POLYMERIZATION, WITH AN ORGANOTIN COMPOUND SELECTED FROM THE GROUP CONSISTING OF ORGANOTIN OXIDES, MONOHYDROCARBYLTIN OXIDES, AND HYDROCARBYL STANNOIC ACIDS AND ESTERS. -(GN(-R)(-S-R''-COO-R")-X)Y- AND RNSN(SR''COOR")4-N,(RSN(SR''COOR")X)2 X HEAT AND LIGHT STABLE HALOGEN-CONTAINING RESIN COMPOSITIONS ARE STABLIZED BY THE REACTION PRODUCT OF AN ORGANOTIN MERCAPTOACID DERIVATIVE SELECTED FROM THE GROUP CONSISTING OF
Inventors
- 👤 Lewis B Weisfeld
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:06
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/22; C08; C08K; C08K5/00; C08K5/56; C08K5/57; C08K5/58
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) | 1974-04-26 | 1974-10-26 | 1975-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-26 | 1978-10-26 | 1979-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-26 | 1982-10-26 | 1983-04-27 | $7700.00 | Window Closed / Lapsed |