Patent US831910A successfully refreshed from Google Patents.
Patent US2993864A successfully refreshed from Google Patents.
US2993864A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ethynylcyclohexyl compounds as corrosion inhibitors
Assignee: Dow Chemical Co
•
Filing: 1956-08-02
•
Granted: 1961-07-25
•
Expires: 1976-08-02
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
2026-10-30 20:10
CPC Classifications
C; C23; C23G; C23G1/00; C23G1/02; C23G1/04; C23G1/06; C23G1/068; C23F; C23F11/00; C23F11/04; Y; Y10; Y10S; Y10S507/00; Y10S507/933; Y10S507/934
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
AN AQUEOUS SOLUTION OF HYDROCHLORIC ACID CONTAINING, AS A CORROSION INHIBITOR THEREFOR, ABOUT 0.1 TO 1% OF A COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
22 words
AN AQUEOUS SOLUTION OF HYDROCHLORIC ACID CONTAINING, AS A CORROSION INHIBITOR THEREFOR, ABOUT 0.1 TO 1% OF A COMPOUND HAVING THE FORMULA
References Cited (Backward Citations)
DE890796C
Cited
BE505421A
Cited
US2726269A
Cited
US1169341A
Cited
US1841768A
Cited
US1963934A
Cited
US2152406A
Cited
US2204597A
Cited
US2250445A
Cited
US2355599A
Cited
US2371644A
Cited
US2407149A
Cited
GB627453A
Cited
US2603622A
Cited
FR1075385A
Cited
FR1079916A
Cited
US2775624A
Cited
US2775626A
Cited
US2814593A
Cited
US2838458A
Cited
US2805257A
Cited
US2806067A
Cited
US2880180A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-24 | 1965-01-23 | 1965-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-24 | 1969-01-23 | 1969-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-24 | 1973-01-23 | 1973-07-25 | $7700.00 | Window Closed / Lapsed |