Patent JPS557783A successfully refreshed from Google Patents.
Patent US3268353A successfully refreshed from Google Patents.
US3268353A
Expired / Lapsed
US
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Electroless deposition and method of producing such electroless deposition
Assignee: Electrada Corp
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Filing: 1960-11-18
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Granted: 1966-08-23
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Expires: 1980-11-18
Abstract
No abstract record available.
Inventors
- 👤 Manlio B Mclillo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:51
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/48; C23C18/50; C23C18/31; C23C18/32; C23C18/34; C23C18/36; H; H01; H01F; H01F41/00; H01F41/14; H01F41/24; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/926; Y10S428/9265; Y10S428/929; Y10S428/933; Y10S428/9335; Y10S428/934; Y10S428/935; Y10S428/936; Y10S428/937; Y10T; Y10T428/00; Y10T428/12; Y10T428/12306; Y10T428/12319; Y10T428/12472; Y10T428/12493; Y10T428/12535; Y10T428/12556; Y10T428/12771; Y10T428/12861; Y10T428/12875; Y10T428/12944
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
IN A METHOD OF ELECTROLESSLY DEPOSITING MAGNETIC MATERIALS ON A SURFACE, THE STEPS OF: CLEANING THE SURFACE; SUBJECTING THE SURFACE TO A SOLUTION CONTAINING IONS OF PALLADIUM TO OBTAIN A DEPOSIT OF THE PALLADIUM ON THE SURFACE; DISPOSING THE SURFACE IN A FIRST BATH INCLUDING FERROUS IONS AND INCLUDING IONS OF AN ADDITIONAL ELEMENT FROM A GROUP CONSISTING OF COBALT AND NICKEL WHERE THE ADDITIONAL ELEMENT HAS MAGNETIC PROPERTIES WHEN DEPOSITED WITH IRON, AND INCLUDING UREA, SODIUM HYPOPHOSPHITE AND A COMPLEXING AGENT FROM A GROUP CONSISTING OF CITRATES AND TARTRATES FOR A SUFFICIENT PERIOD OF TIME TO OBTAIN A UNIFORM DEPOSITION OF A FIRST THIN LAYER OF A FIRST MAGNETIC MATERIAL ON THE SURFACE; AND DISPOSING THE SURFACE CONTAINING THE FIRST MAGNETIC LAYER IN A SECOND BATH INCLUDING IONS OF AT LEAST ONE MAGNETIC ELEMENT FROM THE GROUP CONSISTING OF NICKEL
Claim 2
Dependent Claim
141 words
IN A METHOD OF ELECTROLESSLY DEPOSITING MAGNETIC MATERIALS ON A SURFACE, THE STEPS OF: CLEANING THE SURFACE; SUBJECTING THE SURFACE TO A SOLUTION CONTAINING IONS OF PALLADIUM TO OBTAIN A DEPOSIT OF THE PALLADIUM ON THE SURFACE; DISPOSING THE SURFACE IN A FIRST BATH INCLUDING FERROUS IONS AND INCLUDING IONS OF AN ADDITIONAL ELEMENT FROM A GROUP CONSISTING OF COBALT AND NICKEL WHERE THE ADDITIONAL ELEMENT HAS MAGNETIC PROPERTIES WHEN DEPOSITED WITH IRON, AND INCLUDING UREA, SODIUM HYPOPHOSPHITE AND A COMPLEXING AGENT FROM A GROUP CONSISTING OF CITRATES AND TARTRATES FOR A SUFFICIENT PERIOD OF TIME TO OBTAIN A UNIFORM DEPOSITION OF A FIRST THIN LAYER OF A FIRST MAGNETIC MATERIAL ON THE SURFACE; AND DISPOSING THE SURFACE CONTAINING THE FIRST MAGNETIC LAYER IN A SECOND BATH INCLUDING IONS OF AT LEAST ONE MAGNETIC ELEMENT FROM THE GROUP CONSISTING OF NICKEL
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |