Patent US4823344A successfully refreshed from Google Patents.
Patent US3133028A successfully refreshed from Google Patents.
US3133028A
Expired / Lapsed
US
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Corrosion inhibition
Assignee: Wright Chemical Corp
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Filing: 1960-02-18
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Granted: 1964-05-12
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Expires: 1980-02-18
Abstract
No abstract record available.
Inventors
- 👤 Kenkere C Channabasappa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:11
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
A CORROSION INHIBITING COMPOSITION USEFUL UPON ADDITION TO WATER TO INHIBIT CORROSION OF FERROUS METALS IN CONTACT WITH SAID WATER, SAID COMPOSITION CONSISTING ESSENTIALLY OF THE FOLLOWING INGREDIENTS IN SUBSTANTIALLY THE FOLLOWING PARTS BY WEIGHT IN RELATION TO EACH OTHER:
Claim 2
Dependent Claim
40 words
A CORROSION INHIBITING COMPOSITION USEFUL UPON ADDITION TO WATER TO INHIBIT CORROSION OF FERROUS METALS IN CONTACT WITH SAID WATER, SAID COMPOSITION CONSISTING ESSENTIALLY OF THE FOLLOWING INGREDIENTS IN SUBSTANTIALLY THE FOLLOWING PARTS BY WEIGHT IN RELATION TO EACH OTHER:
References Cited (Backward Citations)
US2215077A
Cited
US2398202A
Cited
US2459119A
Cited
US2617771A
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US2602779A
Cited
US2618605A
Cited
US2695876A
Cited
US2797199A
Cited
US2900222A
Cited
US2840610A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-12 | 1967-11-11 | 1968-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-12 | 1971-11-11 | 1972-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-12 | 1975-11-11 | 1976-05-12 | $7700.00 | Window Closed / Lapsed |