Patent US3846071A successfully refreshed from Google Patents.
US3846071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of inhibiting corrosion by treatment with phosphate-cyclic amidine salts
Assignee: Baker Petrolite LLC
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Filing: 1972-01-21
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Granted: 1974-11-05
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Expires: 1992-01-21
Abstract
Abstract 1. A PROCESS OF INHIBITING CORROSION WHICH COMPRISES TREATING A CORROSION SYSTEM WITH AN IMIDAZOLINE SALT WHERE THE SALT MOIETY IS AN ACIDIC PHOSPHATE ESTER OF AN OXYALKYLATED ALCOHOL EMPOLYED ALONE OR IN CONJUCTION WITH A CARBOXYLIC ACID.
Inventors
- 👤 D Redmore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:31
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/167; C23F11/1673; C09; C09K; C09K8/00; C09K8/54; Y; Y10; Y10S; Y10S507/00; Y10S507/933; Y10S507/934; Y10S507/939
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A PROCESS OF INHIBITING CORROSION WHICH COMPRISES TREATING A CORROSION SYSTEM WITH AN IMIDAZOLINE SALT WHERE THE SALT MOIETY IS AN ACIDIC PHOSPHATE ESTER OF AN OXYALKYLATED ALCOHOL EMPOLYED ALONE OR IN CONJUCTION WITH A CARBOXYLIC ACID.
Claim 2
Dependent Claim
37 words
A PROCESS OF INHIBITING CORROSION WHICH COMPRISES TREATING A CORROSION SYSTEM WITH AN IMIDAZOLINE SALT WHERE THE SALT MOIETY IS AN ACIDIC PHOSPHATE ESTER OF AN OXYALKYLATED ALCOHOL EMPOLYED ALONE OR IN CONJUCTION WITH A CARBOXYLIC ACID.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-11-04 | 1978-05-06 | 1978-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-04 | 1982-05-06 | 1982-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-04 | 1986-05-06 | 1986-11-05 | $7700.00 | Window Closed / Lapsed |