US3288690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrodeposition of copper from acidic baths
Assignee: Udylite Corp
•
Filing: 1966-03-11
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Granted: 1966-11-29
•
Expires: 1986-03-11
Abstract
No abstract record available.
Inventors
- 👤 Creutz Hans-Gerhard
- 👤 Brown Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:03
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
A BATH FOR ELECTRODEPOSING FINE-GRAINED DUCTILE COPPER, COMPRISING AN AQUEOUS ACIDIC COPPER PLATING BATH CONTAINING A HOMO-POLYMER OF 1,3-DIOXOLANE OF MOLECULAR WEIGHT GREATER THAN 296, IN A CONCENTRATION RANGE OF ABOUT 0.01 TO AT LEAST 5 GRAMS PER LITER.
Claim 2
Dependent Claim
39 words
A BATH FOR ELECTRODEPOSING FINE-GRAINED DUCTILE COPPER, COMPRISING AN AQUEOUS ACIDIC COPPER PLATING BATH CONTAINING A HOMO-POLYMER OF 1,3-DIOXOLANE OF MOLECULAR WEIGHT GREATER THAN 296, IN A CONCENTRATION RANGE OF ABOUT 0.01 TO AT LEAST 5 GRAMS PER LITER.
References Cited (Backward Citations)
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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) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |