Patent US3225108A successfully refreshed from Google Patents.
US3225108A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized vinyl chloride monomer
Assignee: Ethyl Corp
•
Filing: 1960-11-30
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Granted: 1965-12-21
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Expires: 1980-11-30
Abstract
No abstract record available.
Inventors
- 👤 Adah P Sturgis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:57
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/38; C07C17/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
VINYL CHORIDE MONOMER CONTAINING 1/2 TO 30 PARTS PHENOL PER MILLION OF MONOMER.
Claim 2
Dependent Claim
13 words
VINYL CHORIDE MONOMER CONTAINING 1/2 TO 30 PARTS PHENOL PER MILLION OF MONOMER.
References Cited (Backward Citations)
US2136333A
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US2121010A
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US2181102A
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US2846482A
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US2846481A
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US2810765A
Cited
US3017426A
Cited
US3062900A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |