US2715561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing thiophosphorylchloride
Assignee: Individual
•
Filing: 1953-10-02
•
Granted: 1955-08-16
•
Expires: 1973-10-02
Abstract
No abstract record available.
Inventors
- 👤 Florian F Knotz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:27
CPC Classifications
C; C01; C01B; C01B17/00; C01B17/45; C01B25/00; C01B25/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A METHOD OF PREPARING PSC13 WHICH COMPRISES REACTING PC13 WITH SULFUR IN THE PRESENCE OF A CATALYST MIXTURE COMPRISING A MEMBER OF THE GROUP CONSISTING OF CHLORINE AND BROMINE AND MIXTURES THEREOF AND A MEMBER OF THE GROUP CONSISTING IN IRON POWDER, ALUMINUM POWDER AND MIXTURES THEREOF SAID CATALYST MIXTURE ALSO INCLUDING A TRACE OF IODINE.
Claim 2
Independent Claim
56 words
A METHOD OF PREPARING PSC13 WHICH COMPRISES REACTING PC13 WITH SULFUR IN THE PRESENCE OF A CATALYST MIXTURE COMPRISING A MEMBER OF THE GROUP CONSISTING OF CHLORINE AND BROMINE AND MIXTURES THEREOF AND A MEMBER OF THE GROUP CONSISTING IN IRON POWDER, ALUMINUM POWDER AND MIXTURES THEREOF SAID CATALYST MIXTURE ALSO INCLUDING A TRACE OF IODINE.
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) | 1958-08-15 | 1959-02-14 | 1959-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-15 | 1963-02-14 | 1963-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-15 | 1967-02-14 | 1967-08-16 | $7700.00 | Window Closed / Lapsed |