US3101286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phosphate composition and method for coating metallic surfaces
Assignee: Henkel Corp
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Filing: 1960-11-16
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Granted: 1963-08-20
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Expires: 1980-11-16
Abstract
No abstract record available.
Inventors
- 👤 Earl R Reinhold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:28
CPC Classifications
C; C23; C23C; C23C22/00; C23C22/05; C23C22/06; C23C22/34; C23C22/36; C23C22/362
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
AN AQUEOUS SOLUTION FOR COATING A CONTINUOUS HOTDIPPED, ZINC-COATED, FERROUS SURFACE THE COATING-PRODUCING INGREDIENTS OF WHICH CONSIST ESSENTIALLY OF ABOUT 0.5% TO 25% PHOSPHATE ION, A METAL ION SELECTED FROM THE GROUP CONSISTING OF THE ZINC ION AND THE MANGANESE ION IN A PROPORTION AT LEAST SUFFICIENT TO FORM DIHYDROGEN PHOSPHATE WITH SAID PHOSPHATE ION, 0.01 TO 0.4% NICKEL ION, AT LEAST ONE OXIDIZING ION SELECTED FROM TH GROUP CONSISTING OF THE NITRATE ION AND TH NITRITE ION IN A CONCENTRATION OF ABOUT 0.2 TO 1% NITRATE ION AND 0.0002% TO 0.008% NITRITE ION, AND A TITANIUM CONTAINING ION IN A PROPORTION SUFFICIENT TO PRODUCE AT LEAST 0.009% SOLUBLE TITANIUM.
Claim 2
Dependent Claim
110 words
AN AQUEOUS SOLUTION FOR COATING A CONTINUOUS HOTDIPPED, ZINC-COATED, FERROUS SURFACE THE COATING-PRODUCING INGREDIENTS OF WHICH CONSIST ESSENTIALLY OF ABOUT 0.5% TO 25% PHOSPHATE ION, A METAL ION SELECTED FROM THE GROUP CONSISTING OF THE ZINC ION AND THE MANGANESE ION IN A PROPORTION AT LEAST SUFFICIENT TO FORM DIHYDROGEN PHOSPHATE WITH SAID PHOSPHATE ION, 0.01 TO 0.4% NICKEL ION, AT LEAST ONE OXIDIZING ION SELECTED FROM TH GROUP CONSISTING OF THE NITRATE ION AND TH NITRITE ION IN A CONCENTRATION OF ABOUT 0.2 TO 1% NITRATE ION AND 0.0002% TO 0.008% NITRITE ION, AND A TITANIUM CONTAINING ION IN A PROPORTION SUFFICIENT TO PRODUCE AT LEAST 0.009% SOLUBLE TITANIUM.
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) | 1966-08-19 | 1967-02-18 | 1967-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-19 | 1971-02-18 | 1971-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-19 | 1975-02-18 | 1975-08-20 | $7700.00 | Window Closed / Lapsed |