US2574829A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of organic sulfenyl xanthates, sulfenyl trithiocar-bonates, thiosulfenylxanthates and thiosulfenyl trithiocarbonates
Assignee: Phillips Petroleum Co
•
Filing: 1948-12-31
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Granted: 1951-11-13
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Expires: 1968-12-31
Abstract
No abstract record available.
Inventors
- 👤 Chester M Himel
- 👤 Lee O Edmonds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:40
CPC Classifications
C; C07; C07C; C07C329/00; B; B03; B03D; B03D1/00; B03D1/001; B03D1/004; B03D1/012; C08; C08K; C08K5/00; C08K5/0008; C08K5/0025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
A PROCESS FOR THE PREPARATION OF AN ORGANIC SULFUR COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
13 words
A PROCESS FOR THE PREPARATION OF AN ORGANIC SULFUR COMPOUND OF THE FORMULA
References Cited (Backward Citations)
US1819112A
Cited
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 |