US3017355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion inhibitor composition
Assignee: Dow Chemical Co
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Filing: 1958-04-18
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Granted: 1962-01-16
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Expires: 1978-04-18
Abstract
No abstract record available.
Inventors
- 👤 Billy D Oakes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:01
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/04; Y; Y10; Y10S; Y10S507/00; Y10S507/933; Y10S507/934
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A METAL CORROSION INHIBITOR FOR USE IN AQUEOUS ACID SOLUTIONS WHICH COMPRISES A MIXTURE CONSISTING OF FROM 10 TO 90 PERCENT BY VOLUME OF PROPARGYL SULFIDE AND FROM 90 TO 10 PERCENT BY VOLUME OF AN AMINE SELECTED FROM THE GROUP CONSISTING OF ALKYLAMINES HAVING FROM 2 TO 18 CARBON ATOMS, INCLUSIVE, AND ALKYL PYRIDINES.
Claim 2
Dependent Claim
55 words
A METAL CORROSION INHIBITOR FOR USE IN AQUEOUS ACID SOLUTIONS WHICH COMPRISES A MIXTURE CONSISTING OF FROM 10 TO 90 PERCENT BY VOLUME OF PROPARGYL SULFIDE AND FROM 90 TO 10 PERCENT BY VOLUME OF AN AMINE SELECTED FROM THE GROUP CONSISTING OF ALKYLAMINES HAVING FROM 2 TO 18 CARBON ATOMS, INCLUSIVE, AND ALKYL PYRIDINES.
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) | 1965-01-15 | 1965-07-17 | 1966-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-15 | 1969-07-17 | 1970-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-15 | 1973-07-17 | 1974-01-16 | $7700.00 | Window Closed / Lapsed |