US2906770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of phosphoric and thiophosphoric-dialkyl ester-hydrazides
Assignee: Joh A Benckiser GmbH
•
Filing: 1957-09-12
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Granted: 1959-09-29
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Expires: 1977-09-12
Abstract
No abstract record available.
Inventors
- 👤 Debo Arno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:55
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/22; C07F9/24; C07F9/2454; C07F9/2479; C07F9/2491; C07F9/228
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
A METHOD OF PRODUCING COMPOUNDS OF THE FOLLOWING GENERAL FORMULA:
Claim 2
Independent Claim
10 words
A METHOD OF PRODUCING COMPOUNDS OF THE FOLLOWING GENERAL FORMULA:
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) | 1962-09-28 | 1963-03-30 | 1963-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-28 | 1967-03-30 | 1967-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-28 | 1971-03-30 | 1971-09-29 | $7700.00 | Window Closed / Lapsed |