US3686016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conditioning of propylene polymers for electroless plating
Assignee: Crown City Plating Co
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Filing: 1970-08-19
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Granted: 1972-08-22
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Expires: 1990-08-19
Abstract
Abstract WHEREIN R1 AND R2 ARE ALKYL GROUPS CONTAINING UP TO FOUR CARBON ATOMS, AND R3 IS HYDROGEN OR A HYDROCARBON RADICAL, ARE USED AS PRE-ETCH CONDITIONERS TO IMPROVE THE ADHESION OF ELECTROLESSLY DEPOSITED METALS TO THE SURFACE OF PROPYLENE POLYMERS. R1-N(-R2)-R3 AMINES HAVING THE STRUCTURE D R A W I N G
Inventors
- 👤 Eileen Maguire
- 👤 Leon A Kadison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:04
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/18; C23C18/20; C23C18/22; C23C18/26; C08; C08J; C08J7/00; C08J7/04; C08J7/042; C08J7/0423; C08J7/043; C23C18/2006; C23C18/2026; C23C18/2033; C23C18/2046; C23C18/2073; C23C18/2086; C23C18/28; C23C18/285; C23C18/30; C08J2323/00; C08J2323/02; C08J2323/10; C08J2323/12; C08J2477/00
Claims Analysis
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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) | 1975-08-22 | 1976-02-21 | 1976-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-22 | 1980-02-21 | 1980-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-22 | 1984-02-21 | 1984-08-22 | $7700.00 | Window Closed / Lapsed |