Patent US2658047A successfully refreshed from Google Patents.
US2658047A
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US
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Vinyl chloride polymers plasticized with cyanoethyl ethers of s-(2-arylethyl)-2-mercaptoethanols
Assignee: Monsanto Chemicals Ltd
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Filing: 1952-05-08
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Granted: 1953-11-03
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Expires: 1972-05-08
Abstract
No abstract record available.
Inventors
- 👤 Dazzi Joachim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:24
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/37; C08K5/372; C08K5/3725
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
A RESINOUS COMPOSITION COMPRISING POLYVINYL CHLORIDE PLASTICIZED WITH A NITRILE HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
14 words
A RESINOUS COMPOSITION COMPRISING POLYVINYL CHLORIDE PLASTICIZED WITH A NITRILE HAVING THE GENERAL FORMULA
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) | 1956-11-02 | 1957-05-04 | 1957-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-02 | 1961-05-04 | 1961-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-02 | 1965-05-04 | 1965-11-03 | $7700.00 | Window Closed / Lapsed |