US3437521A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radioactive decontamination
Assignee: Turco Products Inc
•
Filing: 1964-01-21
•
Granted: 1969-04-08
•
Expires: 1984-01-21
Abstract
No abstract record available.
Inventors
- 👤 Daniel T Buist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:09
CPC Classifications
G; G21; G21F; G21F9/00; G21F9/001; G21F9/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A PROCESS FOR REMOVAL OF RADIOACTIVE CONTAMINANTS FROM THE SURFACE OF AN ARTICLE, WHICH COMPRISES CONTACTING SAID ARTICLE WITH A FIRST HOT FLUID MEDIUM CONTAINING A DECONTAMINATING AGENT EFFECTIVE TO REMOVE SAID RADIOACTIVE CONTAMINANTS, COOLING SAID ARTICLE, CONTACTING SAID ARTICLE WITH HOT VAPORS OF A CHLORINATED HYDROCARBON SOLVENT AT A TEMPERATURE ABOVE THE TEMPERATURE OF SAID COOLED ARTICLE, AND CAUSING SAID VAPORS TO CONDENSE ON SAID ARTICLE AND DRAIN FROM THE SURFACE THEREOF, RINSING SAID SURFACE.
Claim 2
Dependent Claim
76 words
A PROCESS FOR REMOVAL OF RADIOACTIVE CONTAMINANTS FROM THE SURFACE OF AN ARTICLE, WHICH COMPRISES CONTACTING SAID ARTICLE WITH A FIRST HOT FLUID MEDIUM CONTAINING A DECONTAMINATING AGENT EFFECTIVE TO REMOVE SAID RADIOACTIVE CONTAMINANTS, COOLING SAID ARTICLE, CONTACTING SAID ARTICLE WITH HOT VAPORS OF A CHLORINATED HYDROCARBON SOLVENT AT A TEMPERATURE ABOVE THE TEMPERATURE OF SAID COOLED ARTICLE, AND CAUSING SAID VAPORS TO CONDENSE ON SAID ARTICLE AND DRAIN FROM THE SURFACE THEREOF, RINSING SAID SURFACE.
References Cited (Backward Citations)
US2023496A
Cited
US2101840A
Cited
US2348465A
Cited
US2852419A
Cited
US2778792A
Cited
US2915387A
Cited
US2982702A
Cited
US2924576A
Cited
US2981643A
Cited
US3047434A
Cited
US3080262A
Cited
US3013909A
Cited
US3046163A
Cited
US3084076A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |