US3793106A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for forming plastic parts having surfaces receptive to adherent coatings
Assignee: MacDermid Inc
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Filing: 1971-11-09
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Granted: 1974-02-19
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Expires: 1991-11-09
Abstract
Abstract Plastic parts are formed against an anodically treated aluminum surface by molding, laminating, etc., whereby the surface of the formed part, after chemically stripping or dissolving away the aluminum, has a high energy level and is receptive to adherent coatings of metal plate. In particular, laminates are prepared which are useful in producing substrates for the additive formation of printed circuit boards after stripping the aluminum chemically from the substrate, and then catalyzing the stripped surface and depositing a conductor metal plate thereon by electroless and or electrolytic deposition.
Inventors
- 👤 H Rhodenizer
- 👤 J Grunwald
- 👤 M Lombardo
- 👤 Ottavio E D
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:13
CPC Classifications
B; B32; B32B; B32B15/00; B32B15/04; B32B15/08; C; C23; C23C; C23C18/00; C23C18/16; C23C18/1601; C23C18/1633; C23C18/1646; C23C18/165; C23C18/1653; C23C18/18; C23C18/20; C23C18/28; C23C18/285; C23C18/30; H; H05; H05K; H05K3/00; H05K3/10; H05K3/18; H05K3/181; H05K3/182; H05K3/184; H05K3/38; H05K3/381; H05K3/382; H05K3/385; H05K1/00; H05K1/02; H05K1/03; H05K1/0313; H05K1/0353; H05K1/0366; H05K1/09; H05K2201/00; H05K2201/01; H05K2201/0104; H05K2201/0129; H05K2201/03; H05K2201/0332; H05K2201/0335; H05K2201/0355; H05K2203/00; H05K2203/03; H05K2203/0315; H05K2203/07; H05K2203/0703; H05K2203/0716; H05K2203/11; H05K2203/1105; H05K2203/1152; H05K2203/14; H05K2203/1407; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24942; Y10T428/2495; Y10T428/31504; Y10T428/31678
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
59 words
The process of claim 1 wherein the said anodically treated aluminum foil is stripped from the laminate by treating it for about 2 to about 30 minutes at a temperature of about 80* to about 180* F. with an aqueous solution of a material selected from the group consisting of sodium hydroxide, potassium hydroxide, lithium hydroxide and hydrochloric acid.
Claim 2
Dependent Claim
16 words
The process of claim 1 wherein the said laminate is an aluminum foil-thermoset resin substrate laminate.
Claim 3
Dependent Claim
16 words
The process of claim 1 wherein the said laminate is an aluminum foil-thermoplastic resin substrate laminate.
Claim 4
Dependent Claim
9 words
The product produced by the process of claim 1.
Claim 5
Dependent Claim
9 words
The product produced by the process of claim 3.
Claim 6
Dependent Claim
9 words
The product produced by the process of claim 4.
References Cited (Backward Citations)
US2552285A
Cited
US2798037A
Cited
US2939772A
Cited
US3305416A
Cited
US3347695A
Cited
US3666549A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-02-18 | 1977-08-20 | 1978-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-18 | 1981-08-20 | 1982-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-18 | 1985-08-20 | 1986-02-19 | $7700.00 | Window Closed / Lapsed |