US3156731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of vinylcycloalkanethiols
Assignee: Phillips Petroleum Co
•
Filing: 1961-02-23
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Granted: 1964-11-10
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Expires: 1981-02-23
Abstract
No abstract record available.
Inventors
- 👤 Vernon R Ratzlow
- 👤 Jr Charles A Ray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:51
CPC Classifications
C; C07; C07C; C07C319/00; C07C319/26; C07C2601/00; C07C2601/12; C07C2601/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF A VINYLCYCLOALKANETHIOL AND A STABILIZING AMOUNT OF AN ORGANIC POLYSULFIDE REPRESENTED BY THE STRUCTURAL FORMULA R''SXR" WHEREIN R'' AND R" ARE ALKYL RADICALS, EACH ALKYL RADICAL HAVING FROM 1 TO 12 CARBON ATOMS, AND X IS AN INTEGER IN THE RANGE OF 3 TO 10.
Claim 2
Dependent Claim
52 words
A COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF A VINYLCYCLOALKANETHIOL AND A STABILIZING AMOUNT OF AN ORGANIC POLYSULFIDE REPRESENTED BY THE STRUCTURAL FORMULA R''SXR" WHEREIN R'' AND R" ARE ALKYL RADICALS, EACH ALKYL RADICAL HAVING FROM 1 TO 12 CARBON ATOMS, AND X IS AN INTEGER IN THE RANGE OF 3 TO 10.
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) | 1967-11-10 | 1968-05-11 | 1968-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-10 | 1972-05-11 | 1972-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-10 | 1976-05-11 | 1976-11-10 | $7700.00 | Window Closed / Lapsed |