US3109035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized vinyl chloride monomer
Assignee: Ethyl Corp
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Filing: 1960-07-29
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Granted: 1963-10-29
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Expires: 1980-07-29
Abstract
No abstract record available.
Inventors
- 👤 Edwin D Hornbaker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:15
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/38; C07C17/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A STABLE MONOMER COMPOSITION WHICH COMPRISES VINYL CHLORIDE AND THIAZINE COMPOUND CHARACTERIZED BY CONTAINING IN THE MOLECULE FROM ONE TO FOUR RINGS, FROM ONE TO TWO NITROGEN ATOMS, FROM ONE TO TWO SULFUR ATOMS, AND FROM 4 TO ABOUT 36 CARBON ATOMS, SAID THIAZINE COMPOUND BEING PRESENT IN THE VINYL CHLORIDE IN CONCENTRATION OF UP TO ABOUT 10 WEIGHT PERCENT TO INHIBIT THE VINYL CHLORIDE MONOMER AGAINST PREPOLYMERIZATION.
Claim 2
Dependent Claim
68 words
A STABLE MONOMER COMPOSITION WHICH COMPRISES VINYL CHLORIDE AND THIAZINE COMPOUND CHARACTERIZED BY CONTAINING IN THE MOLECULE FROM ONE TO FOUR RINGS, FROM ONE TO TWO NITROGEN ATOMS, FROM ONE TO TWO SULFUR ATOMS, AND FROM 4 TO ABOUT 36 CARBON ATOMS, SAID THIAZINE COMPOUND BEING PRESENT IN THE VINYL CHLORIDE IN CONCENTRATION OF UP TO ABOUT 10 WEIGHT PERCENT TO INHIBIT THE VINYL CHLORIDE MONOMER AGAINST PREPOLYMERIZATION.
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) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |