US5164445A
Expired / Lapsed
US
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Polyamide resin composition
Assignee: Toyobo Co Ltd
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Filing: 1990-02-07
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Granted: 1992-11-17
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Expires: 2010-02-07
Abstract
Abstract PCT No. PCT/JP90/00153 Sec. 371 Date Nov. 23, 1990 Sec. 102(e) Date Nov. 23, 1990 PCT Filed Feb. 7, 1990 PCT Pub. No. WO90/09409 PCT Pub. Date Aug. 23, 1990.The present invention relates to a polyamide resin composition comprising a polyamide resin (A) and a modified polyester elastomer (b) prepared by the reaction of a polyester elastomer with a monomer selected from among unsaturated carboxylic acids and derivatives thereof, which have excellent characteristics in elasticity, chemical, oil, impact resistance and moldability. The resin compositons can be widely used for automobile parts and various kinds of machine parts etc.
Inventors
- 👤 Takashi Nishida
- 👤 Shigeo Kobayashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:00
CPC Classifications
C; C08; C08L; C08L67/00; C08L67/02; C08L67/025; C08L67/06; C08L77/00
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
48 words
A polyamide resin composition comprising a polyamide resin (A) and a modified polyester elastomer (B) prepared by a free radical induced graft reaction of a polyester elastomer with about 0.01 to about 20% of a monomer selected from the group consisting of unsaturated carboxylic acids and derivatives thereof.
Claim 2
Dependent Claim
48 words
A polyamide resin composition comprising a polyamide resin (A) and a modified polyester elastomer (B) prepared by a free radical induced graft reaction of a polyester elastomer with about 0.01 to about 20% of a monomer selected from the group consisting of unsaturated carboxylic acids and derivatives thereof.
Claim 3
Dependent Claim
14 words
A polyamide resin composition according to claim 1, wherein the polyamide is polyxylilene adipamide.
Claim 4
Dependent Claim
22 words
A polyamide resin composition according to claim 1, wherein polyester elastomer is a polyether-polyester elastomer manufactured from polytetramethylene glycol and poly-tetramethylene terephthalate.
Claim 5
Dependent Claim
23 words
A polyamide resin composition according to claim 1, wherein polyester elastomer is a polyester type block copolymer manufactured from polycaprolactone and polytetra-methylene terephthalate.
Claim 6
Dependent Claim
16 words
A polyamide resin composition according to claim 1, wherein the unsaturated carboxylic acid is maleic anhydride.
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) | 1995-11-17 | 1996-05-18 | 1996-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-11-17 | 2000-05-18 | 2000-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-11-17 | 2004-05-18 | 2004-11-17 | $7700.00 | Window Closed / Lapsed |