Patent US3222218A successfully refreshed from Google Patents.
US3222218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal coating process
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1962-01-02
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Granted: 1965-12-07
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Expires: 1982-01-02
Abstract
No abstract record available.
Inventors
- 👤 Beltzer Morton
- 👤 Jr Carl E Heath
- 👤 Barry L Tarmy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:07
CPC Classifications
B; B01; B01J; B01J47/00; B01J47/12; C; C23; C23C; C23C18/00; C23C18/16; C23C18/18; C23C18/20; C23C18/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
A PROCESS FOR INTIMATELY BONDING A CONTINUOUS LAYER OF METAL UPON A SURFACE OF A RELATIVELY NONCONDUCTIVE, NONMETALLIC MATERIAL WITH A SPECIFIC RESISTIVITY OF GREATER THAN 10**-4 OHM CENTIMETERS WHICH COMPRISES THE STEPS OF: (A) CONTACTING SAID MATERIAL WITH AN AQUEOUS DYE SOLUTION COMPRISING A DYE SELECTED FROM THE GROUP CONSISTING OF COCHINEAL RED A, ORANGE I, CHROMOTROPE 2R, FAST RED B, CRYSTAL PONCEAU 6R, AMARANTH, ORANGE II, METHYL ORANGE, TRYPAN BLUE, TRYPAN RED, ANILINE BLUE AND NICHOLSON BLUE, (B) CONTACTING SAID DYED MATERIAL WITH AN AQUEOUS SOLUTION CONTAINING METAL IONS SELECTED FROM THE GROUP CONSISTING OF GOLD, SILVER, PLATINUM AND PALLADIUM, (C) CONTACTING THE SURFACE WITH AN AQUEOUS SOLUTION OF A REDUCING AGENT SELECTED FROM THE GROUP CONSISTING OF HYDROQUINONE AND HYDROQUINONE WITH GUM ARABIC, AND (D) CONTACTING THE REDUCED MEMBRANE WITH AN AQUEOUS SOLUTION OF A METAL SALT SELECTED FROM THE GROUP CONSISTING OF SILVER AND NICKEL AND A REDUCING AGENT SELECTED FROM THE GROUP CONSISTING OF HYDROQUINONE AND SODIUM HYPOPHOSPHITE AND POTASSIUM HYPOPHOSSPHITE.
Claim 2
Dependent Claim
166 words
A PROCESS FOR INTIMATELY BONDING A CONTINUOUS LAYER OF METAL UPON A SURFACE OF A RELATIVELY NONCONDUCTIVE, NONMETALLIC MATERIAL WITH A SPECIFIC RESISTIVITY OF GREATER THAN 10**-4 OHM CENTIMETERS WHICH COMPRISES THE STEPS OF: (A) CONTACTING SAID MATERIAL WITH AN AQUEOUS DYE SOLUTION COMPRISING A DYE SELECTED FROM THE GROUP CONSISTING OF COCHINEAL RED A, ORANGE I, CHROMOTROPE 2R, FAST RED B, CRYSTAL PONCEAU 6R, AMARANTH, ORANGE II, METHYL ORANGE, TRYPAN BLUE, TRYPAN RED, ANILINE BLUE AND NICHOLSON BLUE, (B) CONTACTING SAID DYED MATERIAL WITH AN AQUEOUS SOLUTION CONTAINING METAL IONS SELECTED FROM THE GROUP CONSISTING OF GOLD, SILVER, PLATINUM AND PALLADIUM, (C) CONTACTING THE SURFACE WITH AN AQUEOUS SOLUTION OF A REDUCING AGENT SELECTED FROM THE GROUP CONSISTING OF HYDROQUINONE AND HYDROQUINONE WITH GUM ARABIC, AND (D) CONTACTING THE REDUCED MEMBRANE WITH AN AQUEOUS SOLUTION OF A METAL SALT SELECTED FROM THE GROUP CONSISTING OF SILVER AND NICKEL AND A REDUCING AGENT SELECTED FROM THE GROUP CONSISTING OF HYDROQUINONE AND SODIUM HYPOPHOSPHITE AND POTASSIUM HYPOPHOSSPHITE.
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) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |