Patent US3203904A successfully refreshed from Google Patents.
US3203904A
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Corrosion inhibition for flowing steam and condensate lines
Assignee: Veolia WTS USA Inc
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Filing: 1962-09-24
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Granted: 1965-08-31
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Expires: 1982-09-24
Abstract
No abstract record available.
Inventors
- 👤 Brown James Kenneth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:16
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/14; C23F11/141; C23F11/142; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A PROCESS OF PREVENTING CORROSION IN STREAM AND CONDENSATE LINES FORMING A FLOWING WATER SYSTEM, WHICH COMPRISES MAINTAINING IN THE FLOWING STREAM OF SUCH A WATER SYSTEM AS EFFECTIVELY THE ONLY CORROSION INHIBITOR A DISPERSION OF FROM 0.1 TO 20 P.P.M. OF A PRIMARY STRAIGHT CHAIN AMINE OF 16 TO 22 CARBON ATOMS CHAIN LENGTH CONDENSED WITH 1 TO 10 MOLES OF ETHYLENE OXIDE, THE QUANTITY OF CORROSION INHIBITOR BEING SUFFICIENT TO FORM A PROTECTIVE FILM ON THE INSIDE OF SAID WATER SYSTEM.
Claim 2
Dependent Claim
83 words
A PROCESS OF PREVENTING CORROSION IN STREAM AND CONDENSATE LINES FORMING A FLOWING WATER SYSTEM, WHICH COMPRISES MAINTAINING IN THE FLOWING STREAM OF SUCH A WATER SYSTEM AS EFFECTIVELY THE ONLY CORROSION INHIBITOR A DISPERSION OF FROM 0.1 TO 20 P.P.M. OF A PRIMARY STRAIGHT CHAIN AMINE OF 16 TO 22 CARBON ATOMS CHAIN LENGTH CONDENSED WITH 1 TO 10 MOLES OF ETHYLENE OXIDE, THE QUANTITY OF CORROSION INHIBITOR BEING SUFFICIENT TO FORM A PROTECTIVE FILM ON THE INSIDE OF SAID WATER SYSTEM.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |