Patent CH162501A successfully refreshed from Google Patents.
US2901437A
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Corrosion inhibiting composition
Assignee: Wright Chemical Corp
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Filing: 1955-05-03
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Granted: 1959-08-25
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Expires: 1975-05-03
Abstract
No abstract record available.
Inventors
- 👤 Nathaniel A Bailey
- 👤 Anthony F Pasowicz
- 👤 Joseph F Reynolds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:47
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/18; C23F11/187; C23F11/188
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A CORROSION INHIBITING COMPOSITION CONSISTING ESSENTIALLY OF A WATER-SOLUBLE INORGANIC POLYPHOSPHATE, A WATER-SOLUBLE INORGANIC COMPLEX CYANIDE, AND A WATER SOLUBLE INORGANIC CHROMATE, SAID INGREDIENTS BEING PRESENT IN PARTS, BY WEIGHT, AS FOLLOWS: WATER-SOLUBLE INORGANIC POLYPHOSPHATE----------8 TO 40 WATER-SOLUBLE INORGANIC COMPLEX CYANIDE---------2 TO 25 WATER-SOLUBLE INORGANIC CHROMATE--------------10 TO 65
Claim 2
Dependent Claim
48 words
A CORROSION INHIBITING COMPOSITION CONSISTING ESSENTIALLY OF A WATER-SOLUBLE INORGANIC POLYPHOSPHATE, A WATER-SOLUBLE INORGANIC COMPLEX CYANIDE, AND A WATER SOLUBLE INORGANIC CHROMATE, SAID INGREDIENTS BEING PRESENT IN PARTS, BY WEIGHT, AS FOLLOWS: WATER-SOLUBLE INORGANIC POLYPHOSPHATE----------8 TO 40 WATER-SOLUBLE INORGANIC COMPLEX CYANIDE---------2 TO 25 WATER-SOLUBLE INORGANIC CHROMATE--------------10 TO 65
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) | 1962-08-24 | 1963-02-23 | 1963-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-24 | 1967-02-23 | 1967-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-24 | 1971-02-23 | 1971-08-25 | $7700.00 | Window Closed / Lapsed |