Patent US2634223A successfully refreshed from Google Patents.
US2634223A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for inhibiting corrosion in storage vessels
Assignee: Standard Oil Development Co
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Filing: 1949-07-01
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Granted: 1953-04-07
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Expires: 1969-07-01
Abstract
No abstract record available.
Inventors
- 👤 Edward H Clendenin
- 👤 Walter A Wurth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:03
CPC Classifications
C; C23; C23F; C23F11/00; B; B05; B05B; B05B13/00; B05B13/06; B05B13/0627; B05B14/00; B05B14/40; B05B7/00; B05B7/24; B05B7/26; B05B7/262; B05B7/265; Y; Y02; Y02P; Y02P70/00; Y02P70/10; Y10; Y10S; Y10S62/00; Y10S62/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
A METHOD FOR INHIBITING CORROSION OF THE INNER SURFACES OF METALLIC STORAGE VESSELS, COMPRISING SUBSTANTIALLY FILLING THE FREE SPACE WITHIN SUCH VESSEL ABOVE A LIQUID STORED IN SUCH VESSEL WITH A FOG OF A LIQUID SOLUTION OF A CORROSIONINHIBITING MATERIAL IN THE FORM OF FINELY DIVIDED LIQUID PARTICLES A MAJOR PORTION OF SAID PARTICLES HAVING A PARTICLE SIZE IN THE RANGE OF FROM ABOUT ZERO TO ABOUT 50 MICRONS DISPERSED THROUGHOUT THE ATMOSPHERE OF THE FREE SPACE AND SUBSTANTIALLY SUSPENDED THEREIN, SAID FOG SUBSTANTIALLY FILLING SAID FREE SPACE TO THE EXTENT THAT IT TENDS TO BE VENTED FROM THE VESSEL INTRODUCING SAID FOG DURING A PERIOD WHEN THE VESSEL WALLS ARE AT AN INITIAL TEMPERATURE ABOVE NORMAL ATMOSPHERIC, AND MAINTAINING SAID FOG IN THE FREE SPACE DURING AT LEAST A PORTION OF A PERIOD IN WHICH THE INNER SURFACES OF SAID VESSEL ARE COOLED BELOW SAID INITIAL TEMPERATURE, DEPOSITING A THIN FILM OF SAID SOLUTION ON THE EXPOSED INNER SURFACES OF SAID VESSEL BY INTIMATE CONTACT OF THE FOG THEREWITH.
Claim 2
Independent Claim
170 words
A METHOD FOR INHIBITING CORROSION OF THE INNER SURFACES OF METALLIC STORAGE VESSELS, COMPRISING SUBSTANTIALLY FILLING THE FREE SPACE WITHIN SUCH VESSEL ABOVE A LIQUID STORED IN SUCH VESSEL WITH A FOG OF A LIQUID SOLUTION OF A CORROSIONINHIBITING MATERIAL IN THE FORM OF FINELY DIVIDED LIQUID PARTICLES A MAJOR PORTION OF SAID PARTICLES HAVING A PARTICLE SIZE IN THE RANGE OF FROM ABOUT ZERO TO ABOUT 50 MICRONS DISPERSED THROUGHOUT THE ATMOSPHERE OF THE FREE SPACE AND SUBSTANTIALLY SUSPENDED THEREIN, SAID FOG SUBSTANTIALLY FILLING SAID FREE SPACE TO THE EXTENT THAT IT TENDS TO BE VENTED FROM THE VESSEL INTRODUCING SAID FOG DURING A PERIOD WHEN THE VESSEL WALLS ARE AT AN INITIAL TEMPERATURE ABOVE NORMAL ATMOSPHERIC, AND MAINTAINING SAID FOG IN THE FREE SPACE DURING AT LEAST A PORTION OF A PERIOD IN WHICH THE INNER SURFACES OF SAID VESSEL ARE COOLED BELOW SAID INITIAL TEMPERATURE, DEPOSITING A THIN FILM OF SAID SOLUTION ON THE EXPOSED INNER SURFACES OF SAID VESSEL BY INTIMATE CONTACT OF THE FOG THEREWITH.
References Cited (Backward Citations)
US750986A
Cited
US1996747A
Cited
US2042274A
Cited
US2089648A
Cited
US2383402A
Cited
US2230004A
Cited
US2186177A
Cited
US2330051A
Cited
FR885592A
Cited
GB571752A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-06 | 1956-10-06 | 1957-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-06 | 1960-10-06 | 1961-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-06 | 1964-10-06 | 1965-04-07 | $7700.00 | Window Closed / Lapsed |