Patent US4599376A successfully refreshed from Google Patents.
US4599376A
Expired / Lapsed
US
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Polyvinyl chloride composition
Assignee: Toyoda Gosei Co Ltd
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Filing: 1985-03-25
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Granted: 1986-07-08
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Expires: 2005-03-25
Abstract
Abstract A polyvinyl chloride composition comprising polyvinyl chloride having dispersed therein platelet aluminum powders, characterized in that the aluminum powders have a diameter of at least 10 mu and are used in an amount of 0.2-10 parts by weight per 100 parts by weight of the polyvinyl chloride. This composition affords by molding a weather-resisting resinous molded article of metallic luster in appearance.
Inventors
- 👤 Masahiro Takimoto
- 👤 Satoshi Ota
- 👤 Yoshio Yamazaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:19
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/02; C08K3/08
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
57 words
A weather-resistant resinous molded article having a metallic luster appearance molded from a polyvinyl chloride composition comprising polyvinyl chloride having dispersed therein platelet aluminum powder, in which the aluminum powder has a diameter of at least 10μ and is present in an amount of 0.2-10 parts by weight per 100 parts by weight of the polyvinyl chloride.
Claim 2
Dependent Claim
57 words
A weather-resistant resinous molded article having a metallic luster appearance molded from a polyvinyl chloride composition comprising polyvinyl chloride having dispersed therein platelet aluminum powder, in which the aluminum powder has a diameter of at least 10μ and is present in an amount of 0.2-10 parts by weight per 100 parts by weight of the polyvinyl chloride.
Claim 3
Dependent Claim
19 words
A polyvinyl chloride composition according to claim 1, wherein the platelet aluminum powder has a diameter of 10-100 microns.
Claim 4
Dependent Claim
30 words
A polyvinyl chloride composition according to claim 1, wherein the platelet aluminum powder is used in an amount of 0.2-8 parts by weight per 100 parts of the polyvinyl chloride.
Claim 5
Dependent Claim
21 words
A polyvinyl chloride composition according to claim 1, wherein the composition also contains a plasticizer, a stabilizer and a UV-absorbing agent.
References Cited (Backward Citations)
US3708318A
Cited
US4104432A
Cited
US4214016A
Cited
US4292087A
Cited
US4369225A
Cited
US4490283A
Cited
US4442167A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-07-07 | 1990-01-06 | 1990-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-07-07 | 1994-01-06 | 1994-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-07-07 | 1998-01-06 | 1998-07-08 | $7700.00 | Window Closed / Lapsed |