Patent US1779463A successfully refreshed from Google Patents.
US2574884A
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Oxidation of mercaptans
Assignee: Phillips Petroleum Co
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Filing: 1949-04-28
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Granted: 1951-11-13
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Expires: 1969-04-28
Abstract
No abstract record available.
Inventors
- 👤 Clyde W Mertz
- 👤 Haskell W Cutcher
- 👤 John A Mcbride
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:53
CPC Classifications
C; C07; C07C; C07C319/00; C07C319/22; C07C319/24; B; B01; B01J; B01J23/00; B01J23/16; B01J23/20; B01J23/22; B01J23/24; B01J23/26; B01J23/70; B01J23/74; B01J23/745
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A PROCESS FOR THE MANUFACTURE OF A DI-TERTIARY ALKYL SULFIDE FROM A TERTIARY ALKYL MERCAPTAN CONTAINING NOT MORE THAN 6 CARBON ATOMS PER MOLECULE,C OMPRISING REACTING SUCH A MERCAPTAN WITH OXYGEN IN THE PRESENCE OF A CATALYST COMPRISING ALUMINA IN A MAJOR PROPORTION ASSOCIATED
Claim 2
Dependent Claim
44 words
A PROCESS FOR THE MANUFACTURE OF A DI-TERTIARY ALKYL SULFIDE FROM A TERTIARY ALKYL MERCAPTAN CONTAINING NOT MORE THAN 6 CARBON ATOMS PER MOLECULE,C OMPRISING REACTING SUCH A MERCAPTAN WITH OXYGEN IN THE PRESENCE OF A CATALYST COMPRISING ALUMINA IN A MAJOR PROPORTION ASSOCIATED
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) | 1954-11-12 | 1955-05-14 | 1955-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-12 | 1959-05-14 | 1959-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-12 | 1963-05-14 | 1963-11-13 | $7700.00 | Window Closed / Lapsed |