US3000795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acid feed treatment
Assignee: Aqua Chem Inc
•
Filing: 1956-02-29
•
Granted: 1961-09-19
•
Expires: 1976-02-29
Abstract
No abstract record available.
Inventors
- 👤 Richard W Goeldner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:38
CPC Classifications
B; B01; B01D; B01D1/00; B01D1/06; B01D1/10; B01D1/0082; B01D1/28; Y; Y10; Y10S; Y10S159/00; Y10S159/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
THE METHOD OF CONTROLLING SCALE FORMATION WITHIN A VAPOR COMPRESSION DISTILLING METAL APPARATUS IN ORDER TO PERMIT GENERALLY CONSTANT DISTILLATE OUTPUT FROM THE APPARATUS, COMPRISING THE STEPS FEEDING AN ANTI-SCALING ACIDIC MATERIAL CAPABLE OF HYDROLYZING CALCIUM CARBONATE AND MAGNESIUM HYDROXIDE INTO BOILING SOLUTION WITHIN THE DISTILLING APPARATUS, VARYING THE RATE OF SAID FEEDING TO INCREASE THE SAME WITH INCREASE OF SCALE FORMATION
Claim 2
Independent Claim
62 words
THE METHOD OF CONTROLLING SCALE FORMATION WITHIN A VAPOR COMPRESSION DISTILLING METAL APPARATUS IN ORDER TO PERMIT GENERALLY CONSTANT DISTILLATE OUTPUT FROM THE APPARATUS, COMPRISING THE STEPS FEEDING AN ANTI-SCALING ACIDIC MATERIAL CAPABLE OF HYDROLYZING CALCIUM CARBONATE AND MAGNESIUM HYDROXIDE INTO BOILING SOLUTION WITHIN THE DISTILLING APPARATUS, VARYING THE RATE OF SAID FEEDING TO INCREASE THE SAME WITH INCREASE OF SCALE FORMATION
References Cited (Backward Citations)
US2733196A
Cited
US1872879A
Cited
US2263703A
Cited
US2222575A
Cited
US2299748A
Cited
US2386778A
Cited
US2487884A
Cited
US2589406A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |