US2754243A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phosphoric acid esters
Assignee: Novartis AG
•
Filing: 1953-07-16
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Granted: 1956-07-10
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Expires: 1973-07-16
Abstract
No abstract record available.
Inventors
- 👤 Gysin Hans
- 👤 Margot Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:23
CPC Classifications
C; C07; C07J; C07J63/00; C07J63/006; A; A01; A01N; A01N57/00; A01N57/10; A01N57/16; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/553; C07F9/576; C07F9/58; C07F9/645; C07F9/6503; C07F9/65031; C07F9/6509; C07F9/6512; C07F9/6515; C07F9/6518; C07F9/6527; C07F9/653; C07F9/6536; C07F9/6539; C07F9/655; C07F9/65515; C07F9/6552; C07F9/6558; C07F9/65583; C07J63/004
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
109 words
AGENT FOR COMBATTING PETS COMPRISING PHOSPHORIC ACID ESTERS OF THE FORMULA: WHEREIN R1 REPRESENTS A MEMBER SELECTED FROM THE GROUP CONSISTING OF LOWER ALKYL, LOWER ALKENYL, LOWER ALKOXYALKYL AND LOWER ALKYLMERCAPTOALKYL RADICALS, R2 REPRESENTS A MEMBER SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, LOWER ALKYL AND LOWER ALKENYL RADICALS, R3 AND R4 REPRESENT LOWER ALKYL RADICALS, X REPRESENTS A MEMBER SELECTED FROM THE GROUP CONSISTING OF OXYGEN AND SULPHUR, AND Y REPRESENTS A MEMBER SELECTED FROM THE GROUP CONSISTING OF THE DIRECT LINK AND SULPHUR, IN COMBINATION WITH A MEMBER SELECTED FROM THE GROUP CONSISTING OF AN INERT INORGANIC PULVERULENT CARRIER, AN EMULSIFYING AGENT AND A SPRAY OIL SOLVENT.
References Cited (Backward Citations)
GB666596A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-10 | 1960-01-09 | 1960-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-10 | 1964-01-09 | 1964-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-10 | 1968-01-09 | 1968-07-10 | $7700.00 | Window Closed / Lapsed |