US3036104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of copper chelate
Assignee: Mountain Copper Co Ltd
•
Filing: 1959-07-29
•
Granted: 1962-05-22
•
Expires: 1979-07-29
Abstract
No abstract record available.
Inventors
- 👤 Matzinger Charles Parkes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:14
CPC Classifications
C; C07; C07C; C07C333/00; C07C333/14; C07C333/16; C07C229/00; C07C229/02; C07C229/04; C07C229/06; C07C229/10; C07C229/16; C07C229/76; C07F; C07F1/00; C07F1/005; C11; C11D; C11D3/00; C11D3/16; C11D3/26; C11D3/33
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
28 words
A STABILIZED AQUEOUS SOLUTION CONTAINING THE ETHYLENE DIAMINE TETRA-ACETIC ACID CHELATE OF COPPER AND HAVING THEREIN AS A STABILIZER THEREFORE, A SMALL BUT PERCEPTIBLE AMOUNT OF ETHYLENE DIAMINE.
Claim 2
Dependent Claim
28 words
A STABILIZED AQUEOUS SOLUTION CONTAINING THE ETHYLENE DIAMINE TETRA-ACETIC ACID CHELATE OF COPPER AND HAVING THEREIN AS A STABILIZER THEREFORE, A SMALL BUT PERCEPTIBLE AMOUNT OF ETHYLENE DIAMINE.
References Cited (Backward Citations)
US2203374A
Cited
US2974156A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |