Patent US3071593A successfully refreshed from Google Patents.
US3071593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of alkene sulfides
Assignee: Phillips Petroleum Co
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Filing: 1959-07-27
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Granted: 1963-01-01
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Expires: 1979-07-27
Abstract
No abstract record available.
Inventors
- 👤 Paul F Warner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:29
CPC Classifications
C; C07; C07D; C07D331/00; C07D331/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
A PROCESS FOR MAKING ALKENE SULFIDES WHICH COMPRISES CONTACTING A COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
14 words
A PROCESS FOR MAKING ALKENE SULFIDES WHICH COMPRISES CONTACTING A COMPOUND HAVING THE FORMULA
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) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |