US4806586A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforced molding resin composition
Assignee: Polyplastics Co Ltd
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Filing: 1988-03-23
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Granted: 1989-02-21
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Expires: 2008-03-23
Abstract
Abstract A reinforced molding resin composition comprises (A) a polyacetal resin or aromatic polyester resin, and in mixture therewith, (B) one or more kinds of reinforcing materials selected from glass fibers, carbon fibers, and potassium titanates, in an amount of 2 SIMILAR 57% by weight based on the total weight of the composition, and (C) a mica having a mean particle diameter of 0.5 SIMILAR 20 mu m and an aspect ratio of more than 10, in an amount of 3 SIMILAR 58% by weight based on the total weight of the composition, in such a way that the total amount of the ingredients (B) and (C) is not more than 60% by weight based on the total weight of the composition.
Inventors
- 👤 Mikio Nakai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:45
CPC Classifications
C; C08; C08L; C08L59/00; C08K; C08K3/00; C08K3/34; C08K7/00; C08K7/02; C08K7/04; C08L67/00; C08L67/02; C08K2201/00; C08K2201/016
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
114 words
A reinforced molding resin composition comprising: (A) a polyacetal resin or aromatic polyester resin, and in mixture therewith, (B) one or more kinds of reinforcing materials selected from glass fibers, carbon fibers, and potassium titanates, in an amount of 2˜57% by weight based on the total weight of the composition, and (C) a mica having a mean particle diameter of 0.5˜20 μm and an aspect ratio of more than 10, in an amount of 3˜58% by weight based on the total weight of the composition, in such a way that the total amount of the ingredients (B) and (C) is not more than 60% by weight based on the total weight of the composition.
Claim 2
Dependent Claim
114 words
A reinforced molding resin composition comprising: (A) a polyacetal resin or aromatic polyester resin, and in mixture therewith, (B) one or more kinds of reinforcing materials selected from glass fibers, carbon fibers, and potassium titanates, in an amount of 2˜57% by weight based on the total weight of the composition, and (C) a mica having a mean particle diameter of 0.5˜20 μm and an aspect ratio of more than 10, in an amount of 3˜58% by weight based on the total weight of the composition, in such a way that the total amount of the ingredients (B) and (C) is not more than 60% by weight based on the total weight of the composition.
Claim 3
Dependent Claim
29 words
A reinforced molding resin composition as set forth in claim 1, wherein the mica (C) has a mean particle diameter of 0.5˜10 μm and an aspect ratio of 10˜60.
Claim 4
Dependent Claim
29 words
A reinforced molding resin composition as set forth in claim 1 or 2, wherein the reinforcing material (B) and/or the mica (B) is surface-treated with a surface treating agent.
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) | 1992-02-21 | 1992-08-22 | 1993-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-02-21 | 1996-08-22 | 1997-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-02-21 | 2000-08-22 | 2001-02-21 | $7700.00 | Window Closed / Lapsed |