US3772161A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of selectively electroplating thermoplastic substrates using a strippable coating mask
Assignee: Borg Warner Corp
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Filing: 1972-01-03
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Granted: 1973-11-13
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Expires: 1992-01-03
Abstract
Abstract A strippable masking or resist coating for preventing metal deposition on a thermoplastic surface is in the form of vinyltoluene-butadiene copolymer applied to the surface. The copolymer is readily removable by means of a solvent which does not dissolve or otherwise affect the thermoplastic substrate.
Inventors
- 👤 A Bogard
- 👤 R Devaleria
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:59
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/1601; C23C18/1603; C23C18/1605; C23C18/1633; C23C18/1646; C23C18/165; C23C18/1653; H; H05; H05K; H05K3/00; H05K3/10; H05K3/18; H05K3/181; H05K3/182; H05K3/184; H05K2201/00; H05K2201/01; H05K2201/0104; H05K2201/0129; H05K2203/00; H05K2203/07; H05K2203/0756; H05K2203/0769; H05K2203/0779; H05K2203/0783; H05K3/0073; H05K3/0076
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
17 words
A method as defined in claim 1 wherein said solvent has a minimum Kauri-butanol value of 38.
Claim 2
Dependent Claim
18 words
A method as defined in claim 1 wherein said solvent has a maximum aniline point of 140* F.
Claim 3
Dependent Claim
16 words
A method as defined in claim 1 wherein said thermoplastic substrate is an acrylonitrile-butadiene-styrene graft polymer.
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) | 1976-11-12 | 1977-05-14 | 1977-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-12 | 1981-05-14 | 1981-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-12 | 1985-05-14 | 1985-11-13 | $7700.00 | Window Closed / Lapsed |