US2994577A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of removing iodine from gases and filter medium therefor
Assignee: Individual
•
Filing: 1960-01-29
•
Granted: 1961-08-01
•
Expires: 1980-01-29
Abstract
No abstract record available.
Inventors
- 👤 Silverman Leslie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:54
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
57 words
A METHOD OF REMOVING IODINE FROM A GASEOUS MEDIUM COMPRISING THE STEPS OF ADJUSTING THE TEMPERATURE OF SAID MEDIUM TO AN ELEVATED TEMPERATURE NOT EXCEEDING 400*C. AND PASSING SAID MEDIUM THROUGH A POROUS COPPER FIBROUS PAD HAVING DEPOSITED THEREON A COATING OF SILVER, SAID SILVER COATING BEING TREATED WITH HYDROGEN SULPHIDE FORMING A LAYER OF SILVER SULPHIDE.
References Cited (Backward Citations)
US2795482A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-31 | 1965-01-30 | 1965-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-31 | 1969-01-30 | 1969-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-31 | 1973-01-30 | 1973-08-01 | $7700.00 | Window Closed / Lapsed |