Patent US3948250A successfully refreshed from Google Patents.
US3094490A
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US
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Inhibitor composition and method of inhibiting acid attack on metal in the acidizing f wells
Assignee: Henkel Corp
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Filing: 1960-12-27
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Granted: 1963-06-18
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Expires: 1980-12-27
Abstract
No abstract record available.
Inventors
- 👤 George S Gardner
- 👤 Frank E Manson
- 👤 Jr Edgar S Hayman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:49
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/04; C09; C09K; C09K8/00; C09K8/54; Y; Y10; Y10S; Y10S507/00; Y10S507/933; Y10S507/934
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A CONCENTRATED INHIBITOR COMPOSITION CONSISTING ESSENTIALLY OF AN ADMIXTURE OF ORGANIC CORROSION INHIBITOR FROM THE CLASS CONSISTING OF (A) ORGANIC CONDENSATION PRODUCT RESULTING FROM THE REACTION OF ALDEHYDE FROM THE CLASS OF ALDOL, ACETALDEHYDE, BUTYRALDEYDE, HEPTALDEHYDE, FURFURALDEHYDE AND BENZALDEHYDE WITH AMINE FROM THE CLASS OF ALPHANAPHTHYLAMINE, DIPHENYLGUANIDINE, ANILINE, O-TOLUIDINE AND DIETHYLAMINE, AND (B) COMPOUND SELECTED FROM THE CLASS CONSISTING OF:
Claim 2
Dependent Claim
60 words
A CONCENTRATED INHIBITOR COMPOSITION CONSISTING ESSENTIALLY OF AN ADMIXTURE OF ORGANIC CORROSION INHIBITOR FROM THE CLASS CONSISTING OF (A) ORGANIC CONDENSATION PRODUCT RESULTING FROM THE REACTION OF ALDEHYDE FROM THE CLASS OF ALDOL, ACETALDEHYDE, BUTYRALDEYDE, HEPTALDEHYDE, FURFURALDEHYDE AND BENZALDEHYDE WITH AMINE FROM THE CLASS OF ALPHANAPHTHYLAMINE, DIPHENYLGUANIDINE, ANILINE, O-TOLUIDINE AND DIETHYLAMINE, AND (B) COMPOUND SELECTED FROM THE CLASS CONSISTING OF:
References Cited (Backward Citations)
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Cited
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US1911446A
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US2564759A
Cited
US2758970A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-17 | 1966-12-17 | 1967-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-17 | 1970-12-17 | 1971-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-17 | 1974-12-17 | 1975-06-18 | $7700.00 | Window Closed / Lapsed |