US3113018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for cleaning contaminated mercury
Assignee: Individual
•
Filing: 1960-05-19
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Granted: 1963-12-03
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Expires: 1980-05-19
Abstract
No abstract record available.
Inventors
- 👤 Patrick J Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:35
CPC Classifications
C; C22; C22B; C22B43/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A PROCESS FOR CLEANING A MASS OF CONTAMINATED MERCURY COMPRISING SUBMERSING SAID MASS IN A SURFACE-ACTIVE DETERGENT SOLUTION CAPABLE OF REMOVING GREASE AND OIL, AGITATING SAID SUBMERSED MASS FOR EXPOSING A MAXIMUM SURFACE AREA OF SAID CONTAMINATED MERCURY TO THE DETERGENT ACTION, WASHING SAID MASS FOR REMOVING SAID DETERGENT SOLUTION AND ITS ENTRAINED CONTAMINANTS, SUBMERSING SAID WASHED MASS IN A CALCIUM HYDROXIDE SOLUTION, WASHING SAID MASS FOR REMOVING SAID CALCIUM HYDROXIDE SOLUTION AND ITS ENTRAINED CONTAMINANTS, SUBMERSING SAID WASHED MASS IN AN ACETIC ACID SOLUTION, AND AGAIN WASHING SAID ACID-TREATED MASS FOR REMOVING RESIDUAL ACETIC ACID AND ITS ENTRAINED CONTAMINANTS.
Claim 2
Dependent Claim
100 words
A PROCESS FOR CLEANING A MASS OF CONTAMINATED MERCURY COMPRISING SUBMERSING SAID MASS IN A SURFACE-ACTIVE DETERGENT SOLUTION CAPABLE OF REMOVING GREASE AND OIL, AGITATING SAID SUBMERSED MASS FOR EXPOSING A MAXIMUM SURFACE AREA OF SAID CONTAMINATED MERCURY TO THE DETERGENT ACTION, WASHING SAID MASS FOR REMOVING SAID DETERGENT SOLUTION AND ITS ENTRAINED CONTAMINANTS, SUBMERSING SAID WASHED MASS IN A CALCIUM HYDROXIDE SOLUTION, WASHING SAID MASS FOR REMOVING SAID CALCIUM HYDROXIDE SOLUTION AND ITS ENTRAINED CONTAMINANTS, SUBMERSING SAID WASHED MASS IN AN ACETIC ACID SOLUTION, AND AGAIN WASHING SAID ACID-TREATED MASS FOR REMOVING RESIDUAL ACETIC ACID AND ITS ENTRAINED CONTAMINANTS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-02 | 1967-06-03 | 1967-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-02 | 1971-06-03 | 1971-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-02 | 1975-06-03 | 1975-12-03 | $7700.00 | Window Closed / Lapsed |