US2785153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silver protein
Assignee: CROOKES BARNES LAB Inc
•
Filing: 1954-09-13
•
Granted: 1957-03-12
•
Expires: 1974-09-13
Abstract
No abstract record available.
Inventors
- 👤 Arthur P Locke
- 👤 Messer Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:17
CPC Classifications
A; A61; A61K; A61K38/00; A61K38/01; A61K38/012; A61K38/014; A61K33/00; A61K33/24; A61K33/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
SILVER PROTEIN FOR THERAPEUTIC USE HAVING INCORPORATED THEREIN A NON-TOXIC CHELATING AGENT SELECTED FROM THE GROUP CONSISTING OF ETHYLENE DIAMINE TETRAACETIC ACID AND ITS SODIUM AND MIXED SODIUM AND CALCIUM SALTS IN AN AMOUNT EFFECTIVE TO MAINTAIN A PREDETERMINED IONIC SILVER CONCENTRATION OF AN AQUEOUS SOLUTION OF THE SILVER PROTEIN.
Claim 2
Dependent Claim
50 words
SILVER PROTEIN FOR THERAPEUTIC USE HAVING INCORPORATED THEREIN A NON-TOXIC CHELATING AGENT SELECTED FROM THE GROUP CONSISTING OF ETHYLENE DIAMINE TETRAACETIC ACID AND ITS SODIUM AND MIXED SODIUM AND CALCIUM SALTS IN AN AMOUNT EFFECTIVE TO MAINTAIN A PREDETERMINED IONIC SILVER CONCENTRATION OF AN AQUEOUS SOLUTION OF THE SILVER PROTEIN.
References Cited (Backward Citations)
US1582940A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-11 | 1960-09-10 | 1961-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-11 | 1964-09-10 | 1965-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-11 | 1968-09-10 | 1969-03-12 | $7700.00 | Window Closed / Lapsed |