US3049496A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Propargyl compounds as corrosion inhibitors
Assignee: Dow Chemical Co
•
Filing: 1959-04-30
•
Granted: 1962-08-14
•
Expires: 1979-04-30
Abstract
No abstract record available.
Inventors
- 👤 Roger F Monroe
- 👤 Fred J Lowes
- 👤 Gerald L Foster
- 👤 Billy D Oakes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:23
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/04; C23G; C23G1/00; C23G1/02; C23G1/04; C23G1/06; C23G1/068; Y; Y10; Y10S; Y10S507/00; Y10S507/933; Y10S507/934
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
17 words
AN AQUEOUS SOLUSTION OF A NON-OXIDIZING ACID CONTAINING AS A CORROSION INHIBITOR AN EFFECTIVE AMOUNT OF 1(2,3,6-TRIMEETHYL-3-CYCLOHEXYNL)-3-PROPYNE-1-OL.
Claim 2
Dependent Claim
17 words
AN AQUEOUS SOLUSTION OF A NON-OXIDIZING ACID CONTAINING AS A CORROSION INHIBITOR AN EFFECTIVE AMOUNT OF 1(2,3,6-TRIMEETHYL-3-CYCLOHEXYNL)-3-PROPYNE-1-OL.
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) | 1965-08-13 | 1966-02-12 | 1966-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-13 | 1970-02-12 | 1970-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-13 | 1974-02-12 | 1974-08-14 | $7700.00 | Window Closed / Lapsed |