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Patent US3510441A successfully refreshed from Google Patents.
US3510441A
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US
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Vinyl chloride polymers stabilized with mixtures containing a metal salt,phosphite,phenol and thiodipropionate
Assignee: Air Products and Chemicals Inc
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Filing: 1966-02-04
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Granted: 1970-05-05
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Expires: 1986-02-04
Abstract
No abstract record available.
Inventors
- 👤 Elwood E Huntzinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:46
CPC Classifications
C; C08; C08K; C08K5/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3225001A
Cited
US3144422A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-04 | 1973-11-03 | 1974-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-04 | 1977-11-03 | 1978-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-04 | 1981-11-03 | 1982-05-05 | $7700.00 | Window Closed / Lapsed |