US2921847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Iron chelates of ethylene bis(alphaimino-ortho-hydroxyphenylacetic acid) and method of overcoming iron deficiencies in growing plants therewith
Assignee: Novartis Corp
•
Filing: 1955-10-10
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Granted: 1960-01-19
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Expires: 1975-10-10
Abstract
No abstract record available.
Inventors
- 👤 Knell Martin
- 👤 Kroll Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:05
CPC Classifications
C; C05; C05D; C05D9/00; C05D9/02; Y; Y10; Y10S; Y10S71/00; Y10S71/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
AN IRON CHELATE OF ETHYLENE BIS(ALPHA-IMINO-ORTHOHYDROXYPHENYLACETIC ACID).
Claim 2
Dependent Claim
7 words
AN IRON CHELATE OF ETHYLENE BIS(ALPHA-IMINO-ORTHOHYDROXYPHENYLACETIC ACID).
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) | 1963-01-18 | 1963-07-20 | 1964-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-18 | 1967-07-20 | 1968-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-18 | 1971-07-20 | 1972-01-19 | $7700.00 | Window Closed / Lapsed |