Patent US3223738A successfully refreshed from Google Patents.
US3223738A
Expired / Lapsed
US
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Cyclododecadienyl mercaptans and thioethers
Assignee: Phillips Petroleum Co
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Filing: 1963-03-15
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Granted: 1965-12-14
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Expires: 1983-03-15
Abstract
No abstract record available.
Inventors
- 👤 Donald L Crain
- 👤 Roger F Kleinschmidt
- 👤 John E Mahan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:22
CPC Classifications
C; C07; C07C; C07C321/00; C07C321/22; C07C319/00; C07C319/02; C07C319/04; C07C319/14; C07C319/18; C08; C08F; C08F36/00; C08F36/02; C08F36/04; C07C2601/00; C07C2601/18; C07C2601/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
3 words
METHYL CYCLODODECADIENYL THIOETHER.
Claim 2
Dependent Claim
3 words
METHYL CYCLODODECADIENYL THIOETHER.
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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |