US4707528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyamide resin composition
Assignee: Toyoda Gosei Co Ltd
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Filing: 1985-07-25
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Granted: 1987-11-17
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Expires: 2005-07-25
Abstract
Abstract A polyamide resin composition is described, which is characterized by blending a polyamide resin with a composition (A) comprising (i) either polyamide-rubber copolymer or polyolefin resin, and (ii) a tackiness providing resin wherein either said polyamide-rubber copolymer or the polyolefin resin is from 80 to 20% by weight based on the composition (A), and the tackiness providing resin is from 20 to 80% by weight based on the composition (A).
Inventors
- 👤 Junji Koizumi
- 👤 Kouji Sasaki
- 👤 Junichiro Naito
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:25
CPC Classifications
C; C08; C08L; C08L77/00; F; F02; F02F; F02F7/00; F02F7/006
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
101 words
A polyamide resin composition comprising a blend of a polyamide resin being from 50% to 90% by weight based on said polyamide resin composition, and a composition (A) being from 10% to 50% by weight based on said polyamide resin composition, said composition (A) comprising (i) a polymide-polyether rubber block copolymer or polyolefin resin, and (ii) a tackiness providing resin, with either of said polyamide-polyether rubber block copolymer or said polyolefin resin being from 80 to 20% by weight based on said composition (A), and said tackiness providing resin being from 20 to 80% by weight based on said composition (A).
Claim 2
Dependent Claim
101 words
A polyamide resin composition comprising a blend of a polyamide resin being from 50% to 90% by weight based on said polyamide resin composition, and a composition (A) being from 10% to 50% by weight based on said polyamide resin composition, said composition (A) comprising (i) a polymide-polyether rubber block copolymer or polyolefin resin, and (ii) a tackiness providing resin, with either of said polyamide-polyether rubber block copolymer or said polyolefin resin being from 80 to 20% by weight based on said composition (A), and said tackiness providing resin being from 20 to 80% by weight based on said composition (A).
Claim 3
Dependent Claim
43 words
A polyamide resin composition as claimed in claim 1, wherein the polyamide resin is from 80 to 60% by weight based on the polyamide resin composition and the composition (A) is from 20 to 40% by weight based on the polyamide resin composition.
Claim 4
Dependent Claim
23 words
A polyamide resin composition as claimed in claim 1, wherein the tackiness providing resin is either terpene-phenol resin or hydrogenated rosin ester resin.
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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) | 1990-11-16 | 1991-05-18 | 1991-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-11-16 | 1995-05-18 | 1995-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-11-16 | 1999-05-18 | 1999-11-17 | $7700.00 | Window Closed / Lapsed |