US3240564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture (if carbon desulfhde
Assignee: —
•
Filing: —
•
Granted: 1966-03-15
•
Expires: 1983-03-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:37
CPC Classifications
C; C01; C01B; C01B32/00; C01B32/70; C07; C07C; C07C321/00; C07C321/02; C07C321/04; C07C321/12; C07C321/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
METHOD OF MANUFACTURING CARBON DISULFIDE WHICH COMPRISES REACTING HEXACHLOROCYCLOHEXANE WITH SULFUR AT A TEMPERATURE OF ABOUT 600 TO 1200*C., THE MOLAR PROPORTIONS OF CHLORINE-TO-HYDROGEN BEING ABOUT 1:1 AND THAT OF CARBON-TO-SULFUR BEING ABOUT 1:2, AND SEPARATING THE OBTAINED CARBON DISULFIDE AND HYDROGEN CHLORIDE.
Claim 2
Dependent Claim
43 words
METHOD OF MANUFACTURING CARBON DISULFIDE WHICH COMPRISES REACTING HEXACHLOROCYCLOHEXANE WITH SULFUR AT A TEMPERATURE OF ABOUT 600 TO 1200*C., THE MOLAR PROPORTIONS OF CHLORINE-TO-HYDROGEN BEING ABOUT 1:1 AND THAT OF CARBON-TO-SULFUR BEING ABOUT 1:2, AND SEPARATING THE OBTAINED CARBON DISULFIDE AND HYDROGEN CHLORIDE.
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) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |