Patent US3005030A successfully refreshed from Google Patents.
US3005030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of sulfur compounds
Assignee: Monsanto Chemicals Ltd
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Filing: 1959-06-03
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Granted: 1961-10-17
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Expires: 1979-06-03
Abstract
No abstract record available.
Inventors
- 👤 Jacques D Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:45
CPC Classifications
C; C07; C07C; C07C319/00; C07C319/02; C07C319/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
A PROCESS FOR PREPARING ALKYL MERCAPTANS WHICH COMPRISES REACTING AN OLEFIN WITH H2S IN THE PRESENCE OF A CATALYST SYSTEM COMPRISING BF3 AND A MONOHYDRIC ALKYL ALCOHOL CONTAINING FROM 1 TO 18 CARBON ATOMS.
Claim 2
Dependent Claim
34 words
A PROCESS FOR PREPARING ALKYL MERCAPTANS WHICH COMPRISES REACTING AN OLEFIN WITH H2S IN THE PRESENCE OF A CATALYST SYSTEM COMPRISING BF3 AND A MONOHYDRIC ALKYL ALCOHOL CONTAINING FROM 1 TO 18 CARBON ATOMS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-16 | 1965-04-17 | 1965-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-16 | 1969-04-17 | 1969-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-16 | 1973-04-17 | 1973-10-17 | $7700.00 | Window Closed / Lapsed |