US5414042A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforced polyamide resin composition and process for producing the same
Assignee: Unitika Ltd
•
Filing: 1993-12-28
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Granted: 1995-05-09
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Expires: 2013-12-28
Abstract
Abstract A reinforced polyamide resin composition which involves 100 parts by weight of a polyamide and from 0.01 to 100 parts by weight of fluoromica-based mineral with swelling characteristics. A process for producing the reinforced polyamide resin composition involving polymerizing a monomer in a state where from 0.01 to 100 parts by weight of fluoromica-based mineral with swelling characteristics is present per the monomer in an amount of forming 100 parts by weight of a polyamide. The reinforced polyamide resin composition is excellent in mechanical strength, toughness, heat resistance and dimensional stability.
Inventors
- 👤 Kenji Yasue
- 👤 Tsuneo Tamura
- 👤 Shinichiro Katahira
- 👤 Mioko Watanabe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:40
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/34
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
49 words
A process for producing a reinforced polyamide resin composition which comprises polymerizing monomer to form a polyamide therefrom where from 0.01 to 100 parts by weight of fluoromica-based mineral with swelling characteristics is present per the monomer in an amount of forming 100 parts by weight of a polyamide.
Claim 2
Dependent Claim
49 words
A process for producing a reinforced polyamide resin composition which comprises polymerizing monomer to form a polyamide therefrom where from 0.01 to 100 parts by weight of fluoromica-based mineral with swelling characteristics is present per the monomer in an amount of forming 100 parts by weight of a polyamide.
Claim 3
Dependent Claim
41 words
A process for producing a reinforced polyamide resin composition as claimed in claim 1, wherein said fluoromica-based mineral with swelling characteristics is obtained by heating a mixture of talc with silicofluoride(s) or fluoride(s) of at least one of sodium and lithium.
Claim 4
Dependent Claim
55 words
A process for producing a reinforced polyamide resin composition as claimed in claim 1, wherein said fluoromica-based mineral with swelling characteristics is obtained by heating a mixture of from 90 to 65% by weight of talc with from 10 to 35% by weight of silicofluoride(s) or fluoride(s) of at least one of sodium and lithium
Claim 5
Dependent Claim
21 words
A process for producing a reinforced polyamide resin composition as claimed in claim 1, wherein said polyamide is polycaproamide (nylon 6).
Claim 6
Dependent Claim
22 words
A process for producing a reinforced polyamide resin composition as claimed in claim 1, wherein said polyamide is polyhexamethylene adipamide (nylon 66).
Claim 7
Dependent Claim
22 words
A process for producing a reinforced polyamide resin composition as claimed in claim 1, wherein said polyamide is polytetramethylene adipamide (nylon 46).
Claim 8
Dependent Claim
21 words
A process for producing a reinforced polyamide resin composition as claimed in claim 1, wherein said polyamide is polydodecanamide (nylon 12).
Claim 9
Dependent Claim
42 words
A process for producing a reinforced polyamide resin composition as claimed in claim 1, wherein said fluoromica-based mineral with swelling characteristics is used in an amount of from 0.1 to 20 parts by weight per 100 parts by weight of the polyamide.
Claim 10
Dependent Claim
72 words
A reinforced polyamide resin composition comprising 100 parts by weight of a polyamide and from 0.01 to 100 parts by weight of a fluoromica-based mineral with swelling characteristics, wherein said composition is formed by polymerizing monomer to form a polyamide therefrom where from 0.01 to 100 parts by weight of fluoromica-based mineral with swelling characteristics is present per the monomer in an amount of forming 100 parts by weight of a polyamide.
Claim 11
Dependent Claim
72 words
A reinforced polyamide resin composition comprising 100 parts by weight of a polyamide and from 0.01 to 100 parts by weight of a fluoromica-based mineral with swelling characteristics, wherein said composition is formed by polymerizing monomer to form a polyamide therefrom where from 0.01 to 100 parts by weight of fluoromica-based mineral with swelling characteristics is present per the monomer in an amount of forming 100 parts by weight of a polyamide.
Claim 12
Dependent Claim
38 words
The reinforced polyamide resin composition as claimed in claim 9, wherein said fluoromica-based mineral with swelling characteristics is present in an amount of from 0.1 to 20 parts by weight per 100 parts by weight of the polyamide.
Claim 13
Dependent Claim
37 words
A reinforced polyamide resin composition as claimed in claim 9, wherein said fluoromica-based mineral with swelling characteristics is obtained by heating a mixture of talc with silicofluoride(s) or fluoride(s) of at least one of sodium and lithium.
Claim 14
Dependent Claim
51 words
A reinforced polyamide resin composition as claimed in claim 9, wherein said fluoromica-based mineral with swelling characteristics is obtained by heating a mixture of from 90 to 65% by weight of talc with from 10 to 35% by weight of silicofluoride(s) or fluoride(s) of at least one of sodium and lithium.
Claim 15
Dependent Claim
17 words
A reinforced polyamide resin composition as claimed in claim 9, wherein said polyamide is polycaproamide (nylon 6).
Claim 16
Dependent Claim
18 words
A reinforced polyamide resin composition as claimed in claim 9, wherein said polyamide is polyhexamethylene adipamide (nylon 66).
Claim 17
Dependent Claim
18 words
A reinforced polyamide resin composition as claimed in claim 9, wherein said polyamide is polytetramethylene adipamide (nylon 46).
Claim 18
Dependent Claim
17 words
A reinforced polyamide resin composition as claimed in claim 9, wherein said polyamide is polydodecanamide (nylon 12).
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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) | 1998-05-08 | 1998-11-07 | 1999-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-05-08 | 2002-11-07 | 2003-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-05-08 | 2006-11-07 | 2007-05-09 | $7700.00 | Window Closed / Lapsed |