Patent US3467068A successfully refreshed from Google Patents.
Patent US2854369A successfully refreshed from Google Patents.
US2854369A
Expired / Lapsed
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Increasing the solubility of metal accelerators in phosphatizing solutions
Assignee: Oakite Products Inc
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Filing: 1957-10-04
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Granted: 1958-09-30
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Expires: 1977-10-04
Abstract
No abstract record available.
Inventors
- 👤 Kronstein Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:32
CPC Classifications
C; C23; C23C; C23C22/00; C23C22/05; C23C22/06; C23C22/40; C23C22/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A PHOSPHATE COATING COMPOSITION CONSISTING ESSENTIALLY OF WATER AND A PHOSPHATE IN AN AMOUNT SUFFICIENT FOR COATING STRENGTH CONTAINING AN ACCELERATING AGENT CONSISTING ESSENTIALLY OF AN EFFECTIVE AMOUNT OF AT LEAST ONE SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF FORMAMIDE AND ALKYL-SUBSTITUTED FORMAMIDES AND AT LEAST ONE METAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF VANADIC ACID, TUNGSTIC ACID AND MOLYBDIC ACID AND THEIR ANHYDRIDES AND SALTS, THE SUBSTANCE BEING PRESENT IN AN AMOUNT SUFFICIENT TO SOLUBILIZE SAID METAL COMPOUND.
Claim 2
Dependent Claim
80 words
A PHOSPHATE COATING COMPOSITION CONSISTING ESSENTIALLY OF WATER AND A PHOSPHATE IN AN AMOUNT SUFFICIENT FOR COATING STRENGTH CONTAINING AN ACCELERATING AGENT CONSISTING ESSENTIALLY OF AN EFFECTIVE AMOUNT OF AT LEAST ONE SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF FORMAMIDE AND ALKYL-SUBSTITUTED FORMAMIDES AND AT LEAST ONE METAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF VANADIC ACID, TUNGSTIC ACID AND MOLYBDIC ACID AND THEIR ANHYDRIDES AND SALTS, THE SUBSTANCE BEING PRESENT IN AN AMOUNT SUFFICIENT TO SOLUBILIZE SAID METAL COMPOUND.
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) | 1961-09-29 | 1962-03-31 | 1962-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-29 | 1966-03-31 | 1966-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-29 | 1970-03-31 | 1970-09-30 | $7700.00 | Window Closed / Lapsed |