Patent US2983688A successfully refreshed from Google Patents.
US2983688A
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Corrosion inhibition compositions
Assignee: Pure Oil Co
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Filing: 1956-12-06
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Granted: 1961-05-09
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Expires: 1976-12-06
Abstract
No abstract record available.
Inventors
- 👤 Glenn A Marsh
- 👤 Schaschl Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:04
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A STABLE SUBSTANTIALLY THIXOTROPIC COMPOSITION COMPRISING A MIXTURE OF ABOUT 15 TO 46 WEIGHT PERCENT OF 2MERCAPTOBENZOTHIAZOLE AS THE SOLID PHASE SUSPENDED IN A SUFFICIENT AMOUNT OF AN AQUEOUS PHASE CONTAINING AN ALIPHATIC ALCOHOL ANTIFREEZE AGENT TO MAKE 100% TOTAL COMPOSITION IN WHICH THE WEIGHT RATIO OF THE SOLID PHASE TO THE TOTAL LIQUID PHASE IS EQUAL TO 2.85A+0.28 WHERE A IS A WEIGHT FRACTION OF SAID ALIPHATIC ALCOHOL ANTIFREEZE AGENT AND A HAS AN UPPER LIMIT OF 20 PERCENT BY WEIGHT.
Claim 2
Dependent Claim
82 words
A STABLE SUBSTANTIALLY THIXOTROPIC COMPOSITION COMPRISING A MIXTURE OF ABOUT 15 TO 46 WEIGHT PERCENT OF 2MERCAPTOBENZOTHIAZOLE AS THE SOLID PHASE SUSPENDED IN A SUFFICIENT AMOUNT OF AN AQUEOUS PHASE CONTAINING AN ALIPHATIC ALCOHOL ANTIFREEZE AGENT TO MAKE 100% TOTAL COMPOSITION IN WHICH THE WEIGHT RATIO OF THE SOLID PHASE TO THE TOTAL LIQUID PHASE IS EQUAL TO 2.85A+0.28 WHERE A IS A WEIGHT FRACTION OF SAID ALIPHATIC ALCOHOL ANTIFREEZE AGENT AND A HAS AN UPPER LIMIT OF 20 PERCENT BY WEIGHT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |