US3984907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adherence of metal films to polymeric materials
Assignee: RCA Corp
•
Filing: 1975-07-25
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Granted: 1976-10-12
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Expires: 1995-07-25
Abstract
Abstract The addition of copper, either as a thin film or as an alloy constituent, to nickel-chromium alloys improves the adhesion of such alloys to polymeric substrates and coatings.
Inventors
- 👤 John Louis Vossen, Jr.
- 👤 Frederick Russell Nyman
- 👤 George Frederick Nichols
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:54
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/06; C23C14/14; C23C14/20; C23C14/205; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/926; Y10T; Y10T428/00; Y10T428/12; Y10T428/12229; Y10T428/12236; Y10T428/12243; Y10T428/12493; Y10T428/12535; Y10T428/12542; Y10T428/12549; Y10T428/12556; Y10T428/12569; Y10T428/12639; Y10T428/12771; Y10T428/12861; Y10T428/12903; Y10T428/1291; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/265; Y10T428/31504; Y10T428/31678; Y10T428/31692; Y10T428/31855; Y10T428/31909
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
69 words
A laminate of a film from about 25 to about 50 angstroms thick of copper, a layer of an alloy of chromium and nickel which can contain up to about 10 percent by weight of iron from about 200 to about 400 angstroms thick and a film of copper about 25 to about 50 angstroms thick wherein said copper films are disposed on either side of said alloy layer.
Claim 2
Dependent Claim
69 words
A laminate of a film from about 25 to about 50 angstroms thick of copper, a layer of an alloy of chromium and nickel which can contain up to about 10 percent by weight of iron from about 200 to about 400 angstroms thick and a film of copper about 25 to about 50 angstroms thick wherein said copper films are disposed on either side of said alloy layer.
Claim 3
Dependent Claim
43 words
A laminate according to claim 1 wherein said alloy contains from about 65 to about 80 percent by weight of nickel, from about 10 to about 30 percent by weight of chromium and from 0 to about 10 percent by weight of iron.
Claim 4
Dependent Claim
18 words
An article of a laminate according to claim 1 wherein said laminate is disposed on a polymeric substrate.
Claim 5
Dependent Claim
12 words
An article according to claim 3 wherein said substrate is of vinyl.
Claim 6
Dependent Claim
15 words
An article according to claim 3 wherein said laminate has a polymeric coating disposed thereon.
Claim 7
Dependent Claim
14 words
An article according to claim 5 wherein said coating is a polymer of styrene.
References Cited (Backward Citations)
US3558290A
Cited
US3842194A
Cited
US3842217A
Cited
US3909517A
Cited
US3843399A
Cited
US3901994A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-10-12 | 1980-04-12 | 1980-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-10-12 | 1984-04-12 | 1984-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-10-12 | 1988-04-12 | 1988-10-12 | $7700.00 | Window Closed / Lapsed |