US3698929A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metallizing expanded plastics articles
Assignee: BASF SE
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Filing: 1969-06-18
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Granted: 1972-10-17
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Expires: 1989-06-18
Abstract
Abstract A METHOD OF METALLIZING THE SURFACE OF EXPANDED PLASTICS ARTICLES BY APPLYING A LAYER OF A COATING COMPOSITION CONTAINING FINELY DISPERSED IRON PARTICLES AND ELECTROLESS DEPOSITION OF COPPER BY TREATING THE SAID LAYER WITH AN ACID AQUEOUS COPPER SALT SOLUTION, A LAYER OF AN AQUEOUS SOLUTION OR DISPERSION OF AN ORGANIC POLYMER CONTAINING HETEROATOMS BEING APPLIED AND DRIED PRIOR TO APPLICATION OF THE IRON-CONTAINING COATING.
Inventors
- 👤 Adolf Diebold
- 👤 Matthias Marx
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:44
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/18; C23C18/20; C23C18/2006; C23C18/2046; C23C18/2073; C23C18/2086; C23C18/31; C23C18/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-17 | 1976-04-17 | 1976-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-17 | 1980-04-17 | 1980-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-17 | 1984-04-17 | 1984-10-17 | $7700.00 | Window Closed / Lapsed |