US2530320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion resistant liner materials and method of making the same
Assignee: Standard Oil Development Co
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Filing: 1948-05-22
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Granted: 1950-11-14
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Expires: 1968-05-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Albert Abraham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:55
CPC Classifications
B; B65; B65D; B65D85/00; B65D85/70; B65D85/84; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49885; Y10T428/00; Y10T428/30
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
131 words
A METHOD FOR FORMING A LINER MATERIAL SUBSTANTIALLY IMPERVIOUS TO AN ACID CORROSIVE FLUID TO BE ENCOUNTERED IN SERVICE COMPRISING IMPREGNATING A POROUS INERT STRUCTURAL LINER MATERIAL WITH AN AQUEOUS SOLUTION OF A SOLUBLE METALLIC SALT CAPABLE OF REACTING WITH AN ACID CORROSIVE SUBSTANCE TO FORM A SUBSTANTIALLY INSOLUBLE METALLIC SALT BY EXCHANGE REACTION TO DEPOSIT SAID SOLUBLE SALT IN THE PORES AND INTERSTICES OF SAID LINER MATERIAL, CONTACTING SAID IMPREGNATED LINER MATERIAL WITH AN ACID CORROSIVE SUBSTANCE TO FORM AN OUTER SEALING LAYER OF AN INSOLUBLE METALLIC SALT DEPOSITED IN THE PORES AND INTERSTICES OF SAID LINER MATERIAL, CLOSING SAID PORES AND INTERSTICES AGAINST FURTHER PENETRATION AND RETAINING THE UNCONTACTED SOLUBLE METALLIC SALT AS A DEPOSIT OF SUCH SALT INTERNALLY OF THE BODY OF SAID LINER MATERIAL AVAILABLE FOR CONVERSION.
Claim 2
Independent Claim
131 words
A METHOD FOR FORMING A LINER MATERIAL SUBSTANTIALLY IMPERVIOUS TO AN ACID CORROSIVE FLUID TO BE ENCOUNTERED IN SERVICE COMPRISING IMPREGNATING A POROUS INERT STRUCTURAL LINER MATERIAL WITH AN AQUEOUS SOLUTION OF A SOLUBLE METALLIC SALT CAPABLE OF REACTING WITH AN ACID CORROSIVE SUBSTANCE TO FORM A SUBSTANTIALLY INSOLUBLE METALLIC SALT BY EXCHANGE REACTION TO DEPOSIT SAID SOLUBLE SALT IN THE PORES AND INTERSTICES OF SAID LINER MATERIAL, CONTACTING SAID IMPREGNATED LINER MATERIAL WITH AN ACID CORROSIVE SUBSTANCE TO FORM AN OUTER SEALING LAYER OF AN INSOLUBLE METALLIC SALT DEPOSITED IN THE PORES AND INTERSTICES OF SAID LINER MATERIAL, CLOSING SAID PORES AND INTERSTICES AGAINST FURTHER PENETRATION AND RETAINING THE UNCONTACTED SOLUBLE METALLIC SALT AS A DEPOSIT OF SUCH SALT INTERNALLY OF THE BODY OF SAID LINER MATERIAL AVAILABLE FOR CONVERSION.
Claim 3
Dependent Claim
48 words
A METHOD ACCORDING TO CLAIM 1 IN WHICH THE LINER MATERIAL IS INTRODUCED INTO A PRESSURE RESISTANT CASING, AS A LINER THEREFOR, PRIOR TO INITIAL CONTACT WITH SAID SOLUTION OF A SOLUBLE METALLIC SALT, IMPREGNATED WITH SAID SOLUBLE SALT SOLLUTION, AND THEN CONTACTED WITH SAID ACID CORROSIVE SUBSTANCE.
References Cited (Backward Citations)
US2448685A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-13 | 1954-05-15 | 1954-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-13 | 1958-05-15 | 1958-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-13 | 1962-05-15 | 1962-11-14 | $7700.00 | Window Closed / Lapsed |