Patent US2668100A successfully refreshed from Google Patents.
US2668100A
Expired / Lapsed
US
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Corrosion inhibitor for liquid hydrocarbons
Assignee: ChampionX LLC
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Filing: 1951-11-15
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Granted: 1954-02-02
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Expires: 1971-11-15
Abstract
No abstract record available.
Inventors
- 👤 George W Luvisi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:49
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/232
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
A HYDROCARBON LIQUID CONTAINING A CORROSION INHIBITING AMOUNT OF A SALICYLIC ACID SALT OF A GLYOXALIDINE WHEREIN THE CARBON ATOM IN THE 2POSITION IS LINKED TO A HIGHER ALIPHATIC HYDROCARBON GROUP CONTAINING AT LEAST 8 CARBON ATOMS, THE CARBON ATOM IN THE 4-POSITON IS LINKED TO A MEMBER FROM THE GROUP CONSISTING OF HYDROGEN AND LOWER ALIPHATIC GROUPS CONTAINING NOT MORE THAN 6 CARBON ATOMS, THE CARBON ATOM IN THE 5-POSITION IS LINKED TO A MEMBER FROM THE GROUP CONSISTING OF HYDROGEN AND LOWER ALIPHATIC GROUPS CONTAINING NOT MORE THAN 6 CARBON ATOMS, THERE BEING AT LEAST ONE HYDROGEN ATOM ON EACH OF THE CARBON ATOMS IN THE 4- AND 5-POSITONS, AND THE NITROGEN ATOM IN THE 1-POSITON IS LINKED TO A MEMBER FROM THE GROUP CONSISTING OF HYDROGEN AND LOWER ALIPHATIC GROUPS CONTAINING NOT MORE THAN 6 CARBON ATOMS, THERE BEING AT LEAST ONE HYDROGEN ATOM ATTACHED TO SAID NITROGEN ATOM.
Claim 2
Dependent Claim
152 words
A HYDROCARBON LIQUID CONTAINING A CORROSION INHIBITING AMOUNT OF A SALICYLIC ACID SALT OF A GLYOXALIDINE WHEREIN THE CARBON ATOM IN THE 2POSITION IS LINKED TO A HIGHER ALIPHATIC HYDROCARBON GROUP CONTAINING AT LEAST 8 CARBON ATOMS, THE CARBON ATOM IN THE 4-POSITON IS LINKED TO A MEMBER FROM THE GROUP CONSISTING OF HYDROGEN AND LOWER ALIPHATIC GROUPS CONTAINING NOT MORE THAN 6 CARBON ATOMS, THE CARBON ATOM IN THE 5-POSITION IS LINKED TO A MEMBER FROM THE GROUP CONSISTING OF HYDROGEN AND LOWER ALIPHATIC GROUPS CONTAINING NOT MORE THAN 6 CARBON ATOMS, THERE BEING AT LEAST ONE HYDROGEN ATOM ON EACH OF THE CARBON ATOMS IN THE 4- AND 5-POSITONS, AND THE NITROGEN ATOM IN THE 1-POSITON IS LINKED TO A MEMBER FROM THE GROUP CONSISTING OF HYDROGEN AND LOWER ALIPHATIC GROUPS CONTAINING NOT MORE THAN 6 CARBON ATOMS, THERE BEING AT LEAST ONE HYDROGEN ATOM ATTACHED TO SAID NITROGEN ATOM.
References Cited (Backward Citations)
US2553183A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-01 | 1957-08-03 | 1958-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-01 | 1961-08-03 | 1962-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-01 | 1965-08-03 | 1966-02-02 | $7700.00 | Window Closed / Lapsed |