US2511013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Esters of antimonous acids and method of preparing same
Assignee: Ellis Foster Co
•
Filing: 1946-01-09
•
Granted: 1950-06-13
•
Expires: 1966-01-09
Abstract
No abstract record available.
Inventors
- 👤 John B Rust
- 👤 Spialter Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:02
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/90; C07F9/902
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
22 words
THE METHOD OF PREPARING HALO ESTERS OF ANTIMONOUS ACIDS WHICH COMPRISES REACTING AN ANTIMONOUS HALIDE WITH AN EPOXY COMPOUND HAVING THE FORMULA
Claim 2
Independent Claim
22 words
THE METHOD OF PREPARING HALO ESTERS OF ANTIMONOUS ACIDS WHICH COMPRISES REACTING AN ANTIMONOUS HALIDE WITH AN EPOXY COMPOUND HAVING THE FORMULA
Claim 3
Dependent Claim
36 words
AN ORGANO ANTIMONOUS DERIVATIVE HAVING THE FORMULA SBYX(OCH2CHR.Y)3-Z WHERE R IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, ALKYL, HALOALKYL, HYDROXYALKYL, ALKENYL AND PHENYL, Y IS HALOGEN, AND X IS AN INTEGER FROM 0 TO 2.
Claim 4
Dependent Claim
36 words
AN ORGANO ANTIMONOUS DERIVATIVE HAVING THE FORMULA SBYX(OCH2CHR.Y)3-Z WHERE R IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, ALKYL, HALOALKYL, HYDROXYALKYL, ALKENYL AND PHENYL, Y IS HALOGEN, AND X IS AN INTEGER FROM 0 TO 2.
References Cited (Backward Citations)
US1815979A
Cited
FR582412A
Cited
US1725620A
Cited
US1944274A
Cited
US2242400A
Cited
US8381138B2
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-12 | 1953-12-12 | 1954-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-12 | 1957-12-12 | 1958-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-12 | 1961-12-12 | 1962-06-13 | $7700.00 | Window Closed / Lapsed |