Patent US3647593A successfully refreshed from Google Patents.
US3095309A
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Electroless copper plating
Assignee: Day Co
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Filing: 1960-05-03
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Granted: 1963-06-25
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Expires: 1980-05-03
Abstract
No abstract record available.
Inventors
- 👤 Zeblisky Rudolph John
- 👤 Mccormack John Francis
- 👤 Williamson John Duff
- 👤 Jr Frederick W Schneble
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:29
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/31; C23C18/38; C23C18/40; C23C18/405
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A BATH FOR THE ELECTROLESS PLATING OF COPPER CONSISTING ESSENTIALLY OF: WATER, AND A WATER-SOLUBLE COPPER SALT, FROM 0.002 TO 0.15 MOLE PER LITER; A COPPER COMPLEXING AGENT, FROM 0.5 TO 2.5 TIMES THE MOLES OF THE COPPER SALT; AN ALKALI METAL HYDROXIDE, TO GIVE A PH OF FROM 10.5 TO 14; FORMALDEHYDE, FROM 0.06 TO 3.4 MOLES PER LITER; AND A SOLUBLE INORGANIC CYANIDE, FROM 0.00002 TO 0.06 MOLE PER LITER.
Claim 2
Dependent Claim
72 words
A BATH FOR THE ELECTROLESS PLATING OF COPPER CONSISTING ESSENTIALLY OF: WATER, AND A WATER-SOLUBLE COPPER SALT, FROM 0.002 TO 0.15 MOLE PER LITER; A COPPER COMPLEXING AGENT, FROM 0.5 TO 2.5 TIMES THE MOLES OF THE COPPER SALT; AN ALKALI METAL HYDROXIDE, TO GIVE A PH OF FROM 10.5 TO 14; FORMALDEHYDE, FROM 0.06 TO 3.4 MOLES PER LITER; AND A SOLUBLE INORGANIC CYANIDE, FROM 0.00002 TO 0.06 MOLE PER LITER.
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) | 1966-06-24 | 1966-12-24 | 1967-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-24 | 1970-12-24 | 1971-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-24 | 1974-12-24 | 1975-06-25 | $7700.00 | Window Closed / Lapsed |