US4071656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plated polypropylene composition
Assignee: Arco Polymers Inc
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Filing: 1975-10-29
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Granted: 1978-01-31
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Expires: 1995-10-29
Abstract
Abstract This invention relates to certain novel articles formed from polypropylene compositions, and more particularly to articles produced by forming polypropylene compositions into a predetermined configuration and plating with a coating of one or more metals. The novel plated articles prepared from polypropylene compositions of the present invention exhibit greatly improved bonding between the metal coating and the polypropylene surface. The polypropylene composition contains a polyhydroxy aromatic compound and a resinous material. The composition may optionally contain a nucleating agent.
Inventors
- 👤 Robert W. Miller
- 👤 Samuel Garry Howell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:57
CPC Classifications
C; C08; C08L; C08L23/00; C08L23/02; C08L23/10; C08K; C08K5/00; C08K5/04; C08K5/13; C08L93/00; C08L93/04; C08L97/00; C08L97/02; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12556; Y10T428/12569; Y10T428/31504; Y10T428/31678; Y10T428/31692; Y10T428/31855; Y10T428/31931
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3335104A
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US3556955A
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US3649476A
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US3567487A
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US3866288A
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US3663377A
Cited
US3655433A
Cited
US3663260A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-01-30 | 1981-08-01 | 1982-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-01-30 | 1985-08-01 | 1986-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-01-30 | 1989-08-01 | 1990-01-31 | $7700.00 | Window Closed / Lapsed |