US3261844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pyrazolyl, triazolyl and tetrazolyl derivatives of group iii-a elements and their compounds with metals and preparation thereof
Assignee: EIDP Inc
•
Filing: 1964-08-05
•
Granted: 1966-07-19
•
Expires: 1984-08-05
Abstract
No abstract record available.
Inventors
- 👤 Trofimenko Swiatoslaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:31
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/003; C22; C22B; C22B3/00; C22B3/20; C22B3/26; C22B3/36; C22B3/362; Y; Y02; Y02P; Y02P10/00; Y02P10/20
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 3
Dependent Claim
91 words
PROCESS WHICH COMPRISES HEATING STEPWISW A MIXTURE OF A COMPOUND SELECTED FROM THE CLASS CONSISTING OF PYRAZOLES, TRIAZOLES AND TETRAZOLES AND A COMPOUND OF THE FORMULA MAR4 WHEREIN M IS A CATION SELECTED FROM THE CLASS CONSISTING OF HYDROGEN, AMMONIUM, ALKYLAMMONIUM CONTAINING UP TO 18 CARBON ATOMS, PHENYLAMMONIUM, LOWERALKYSULFONIUM AND METALS HAVING A NET POSITIVE VALENCE OF 1-2, INCLUSIVE; A IS AN ELEMENT OF GROUP III-A OF THE PERIODIC TABLE; AND R IS A MEMBER OF THE CLASS CONSISTING OF HYDROGEN, ALKYL CONTAINING UP TO 18 CARBON ATOMS, PHENYL AND CYANO.
Claim 4
Dependent Claim
91 words
PROCESS WHICH COMPRISES HEATING STEPWISW A MIXTURE OF A COMPOUND SELECTED FROM THE CLASS CONSISTING OF PYRAZOLES, TRIAZOLES AND TETRAZOLES AND A COMPOUND OF THE FORMULA MAR4 WHEREIN M IS A CATION SELECTED FROM THE CLASS CONSISTING OF HYDROGEN, AMMONIUM, ALKYLAMMONIUM CONTAINING UP TO 18 CARBON ATOMS, PHENYLAMMONIUM, LOWERALKYSULFONIUM AND METALS HAVING A NET POSITIVE VALENCE OF 1-2, INCLUSIVE; A IS AN ELEMENT OF GROUP III-A OF THE PERIODIC TABLE; AND R IS A MEMBER OF THE CLASS CONSISTING OF HYDROGEN, ALKYL CONTAINING UP TO 18 CARBON ATOMS, PHENYL AND CYANO.
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) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |