US2529178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for obtaining corrosion and tuberculation inhibition in water systems
Assignee: W H AND L D BETZ
•
Filing: 1947-12-06
•
Granted: 1950-11-07
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Expires: 1967-12-06
Abstract
No abstract record available.
Inventors
- 👤 William L Nieland
- 👤 John J Maguire
- 👤 Charles B George
- 👤 Harry L Kahler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:15
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/12; C23F11/124; C23F11/126
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
THE METHOD OF INHIBITING WATER-SIDE METALLIC CORROSION IN A WATER SYSTEM WHICH COMPRISES THE STEPS OF FLOWING THE WATER THROUGH A METAL PIPE OR OTHER CONTAINER, AND ADDING TO THE WATER IN THE SYSTEM A GLUCONATE TO FORM A CONCENTRATION IN THE WATER OF ABOUT FROM .1 TO 100 P.P.M.
Claim 2
Independent Claim
50 words
THE METHOD OF INHIBITING WATER-SIDE METALLIC CORROSION IN A WATER SYSTEM WHICH COMPRISES THE STEPS OF FLOWING THE WATER THROUGH A METAL PIPE OR OTHER CONTAINER, AND ADDING TO THE WATER IN THE SYSTEM A GLUCONATE TO FORM A CONCENTRATION IN THE WATER OF ABOUT FROM .1 TO 100 P.P.M.
References Cited (Backward Citations)
US2371142A
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US2311653A
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US2328551A
Cited
US2291085A
Cited
US2334158A
Cited
US2343569A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-06 | 1954-05-08 | 1954-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-06 | 1958-05-08 | 1958-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-06 | 1962-05-08 | 1962-11-07 | $7700.00 | Window Closed / Lapsed |