US3172853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chs chj x c chax c chx
Assignee: —
•
Filing: —
•
Granted: 1965-03-09
•
Expires: 1982-03-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:34
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/222; C10L1/224; C09; C09K; C09K8/00; C09K8/54; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/14; C23F11/145; Y; Y10; Y10S; Y10S507/00; Y10S507/939
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
52 words
A PROCESS OF INHIBITING THE CORROSION OF FERROUS METALS IN CONTACT WITH CORROSIVE MEDIA, INCLUDING HUMID ATMOSPHERES AND OIL AND GAS WELL FLUIDS CONTAINING HYDROGEN SULFIDE, CARBON DIOXIDE, INORGANIC ACIDS, ORGANIC ACIDS, COMBINATIONS OF EACH WITH OXYGEN, AND COMBINATION WITH EACH OTHER AND OXYGEN, WHICH IS CHARACTERIZED BY TREATING SUCH METALS WITH
Claim 2
Dependent Claim
52 words
A PROCESS OF INHIBITING THE CORROSION OF FERROUS METALS IN CONTACT WITH CORROSIVE MEDIA, INCLUDING HUMID ATMOSPHERES AND OIL AND GAS WELL FLUIDS CONTAINING HYDROGEN SULFIDE, CARBON DIOXIDE, INORGANIC ACIDS, ORGANIC ACIDS, COMBINATIONS OF EACH WITH OXYGEN, AND COMBINATION WITH EACH OTHER AND OXYGEN, WHICH IS CHARACTERIZED BY TREATING SUCH METALS WITH
Claim 3
Dependent Claim
39 words
A SLUSHING OIL CONSISTING ESSENTIALLY OF A MAJOR AMOUNT OF A RELATIVELY LIGHT ORGANIC SOLVENT AND A MINOR AMOUNT, SUFFICIENT TO INHIBIT EFFECTIVELY THE RUSTING AND CORROSION OF METALS WHEN APPLIED THERETO IN THE FORM OF A COATING, OF
Claim 4
Dependent Claim
39 words
A SLUSHING OIL CONSISTING ESSENTIALLY OF A MAJOR AMOUNT OF A RELATIVELY LIGHT ORGANIC SOLVENT AND A MINOR AMOUNT, SUFFICIENT TO INHIBIT EFFECTIVELY THE RUSTING AND CORROSION OF METALS WHEN APPLIED THERETO IN THE FORM OF A COATING, OF
References Cited (Backward Citations)
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Cited
US2598213A
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US2638449A
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US2797152A
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US3095286A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-08 | 1968-09-07 | 1969-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-08 | 1972-09-07 | 1973-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-08 | 1976-09-07 | 1977-03-09 | $7700.00 | Window Closed / Lapsed |