US3119709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Material and method for electroless deposition of metal
Assignee: ATKINSON LAB Inc
•
Filing: 1956-09-28
•
Granted: 1964-01-28
•
Expires: 1976-09-28
Abstract
No abstract record available.
Inventors
- 👤 Ralph B Atkinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:56
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/18; C23C18/1851; C23C18/1872; C23C18/1886; C23C18/1889; C23C18/20; C23C18/28; C23C18/285; C23C18/30; C23C18/31; C23C18/38; C23C18/40; C23C18/405
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
THE METHOD OF ELECTROLESS DEPOSITION OF COPPER UPON A NON-METALLIC SURFACE PRETREATED TO ADHERINGLY RECEIVE THE DEPOSITED COPPER, WHICH INCLUDES THE STEP OF APPLYING TO SAID NON-METALLIC SURFACE AN AQUEOUS SOLUTION CONTAINING A SOLUBLE COPPER SALT, FORMALDEHYDE AND ETHYLENEDIAMINETETRASCETIC ACID, SAID SOLUTION HAVING A PH IN THE APPROXIMATE RANGE OF 10-14.
Claim 2
Independent Claim
51 words
THE METHOD OF ELECTROLESS DEPOSITION OF COPPER UPON A NON-METALLIC SURFACE PRETREATED TO ADHERINGLY RECEIVE THE DEPOSITED COPPER, WHICH INCLUDES THE STEP OF APPLYING TO SAID NON-METALLIC SURFACE AN AQUEOUS SOLUTION CONTAINING A SOLUBLE COPPER SALT, FORMALDEHYDE AND ETHYLENEDIAMINETETRASCETIC ACID, SAID SOLUTION HAVING A PH IN THE APPROXIMATE RANGE OF 10-14.
References Cited (Backward Citations)
DE731102C
Cited
US2430581A
Cited
US2454610A
Cited
US2602757A
Cited
US2702253A
Cited
US2766138A
Cited
US2772183A
Cited
US2879175A
Cited
US2814590A
Cited
US2871139A
Cited
US2874072A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-27 | 1967-07-29 | 1968-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-27 | 1971-07-29 | 1972-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-27 | 1975-07-29 | 1976-01-28 | $7700.00 | Window Closed / Lapsed |