US4714740A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low coefficient of friction nylon blend
Assignee: Motors Liquidation Co
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Filing: 1986-07-14
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Granted: 1987-12-22
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Expires: 2006-07-14
Abstract
Abstract A thermoplastic polybend of nylon 66 and polymethylmethacrylate having superior friction and wear properties. Alternatively, the polybend composition may contain a third component of polytetrafluoroethylene to further improve its friction and wear properties.
Inventors
- 👤 Michael C. Lee
- 👤 Mark A. Golden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:40
CPC Classifications
C; C08; C08L; C08L77/00; C08L77/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A thermoplastic polyblend molding composition consisting of an intimate admixture of (a) 90 to 60% by weight of total polyblend composition of nylon 66, (b) 5 to 40% by weight of total polyblend composition of a thermoplastic additive of polymethylmethacrylate, and (c) 5 to 20% by weight of total polyblend composition of a thermoplastic additive of polytetrafluoroethylene, the total of (a) (b) and (c) being equal to 100%, whereby said thermoplastic additives improve the friction and wear properties of said polyblend composition.
Claim 2
Dependent Claim
82 words
A thermoplastic polyblend molding composition consisting of an intimate admixture of (a) 90 to 60% by weight of total polyblend composition of nylon 66, (b) 5 to 40% by weight of total polyblend composition of a thermoplastic additive of polymethylmethacrylate, and (c) 5 to 20% by weight of total polyblend composition of a thermoplastic additive of polytetrafluoroethylene, the total of (a) (b) and (c) being equal to 100%, whereby said thermoplastic additives improve the friction and wear properties of said polyblend composition.
References Cited (Backward Citations)
US3274289A
Cited
US3994814A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-12-21 | 1991-06-22 | 1991-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-12-21 | 1995-06-22 | 1995-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-12-21 | 1999-06-22 | 1999-12-22 | $7700.00 | Window Closed / Lapsed |