US5179162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-substituted maleimide polymer composition
Assignee: NOF Corp
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Filing: 1991-06-10
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Granted: 1993-01-12
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Expires: 2011-06-10
Abstract
Abstract As N-substituted maleimide polymer composition contains 20 to 90 parts by weight of an N-substituted maleimide polymer and 80 to 10 parts by weight of a thermoplastic resin selected from a polycarbonate polymer, a polysulfone polymer, a polyphenylene ether polymer, a polyarylene sulfide polymer, and a modified polymer of the polymer or polymers, a polyoxymethylene polymer, a polyester polymer, a polyamide polymer and mixtures thereof.
Inventors
- 👤 Kenji Kato
- 👤 Yasumi Koinuma
- 👤 Kazunori Doiuchi
- 👤 Seigo Kinoshita
- 👤 Yukinori Haruta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 17:20
CPC Classifications
C; C08; C08L; C08L77/00; C08L101/00; C08L35/00; C08L59/00; C08L67/00; C08L67/02; C08L69/00; C08L81/00; C08L81/02; C08L81/06
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
38 words
An N-cyclohexyl maleimide polymer composition comprising: 20to 90 parts by weight of an N-cyclohexyl maleimide polymer having a weight average molecular weight of from 2,000 to 500,000; and 80 to 10 parts by weight of a polyoxymethylene polymer.
Claim 2
Dependent Claim
38 words
An N-cyclohexyl maleimide polymer composition comprising: 20to 90 parts by weight of an N-cyclohexyl maleimide polymer having a weight average molecular weight of from 2,000 to 500,000; and 80 to 10 parts by weight of a polyoxymethylene polymer.
Claim 3
Dependent Claim
34 words
The composition according to claim 1, wherein said polyoxymethylene polymer is selected from the group consisting of a homopolymer and a copolymer of formaldehyde, a homopolymer and a copolymer of trioxane, and mixtures thereof.
References Cited (Backward Citations)
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JPS61250010A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-01-12 | 1996-07-13 | 1997-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-01-12 | 2000-07-13 | 2001-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-01-12 | 2004-07-13 | 2005-01-12 | $7700.00 | Window Closed / Lapsed |