Patent US4368286A successfully refreshed from Google Patents.
US4368286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoplastic polyester resin composition which is quickly crystallizable
Assignee: Mitsubishi Chemical Corp
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Filing: 1981-03-18
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Granted: 1983-01-11
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Expires: 2001-03-18
Abstract
Abstract A thermoplastic resin composition is quickly crystallizable and comprises 0.1 to 10 wt. parts of an alkali metal salt of higher fatty acid having carbon atoms of at least 26 obtained by an addition of a fatty acid to alpha -olefin having carbon atoms of at least 23 per 100 wt. parts of a thermoplastic polyester.
Inventors
- 👤 Masahiro Hayashi
- 👤 Tamotsu Yoshimura
- 👤 Seiichi Mukai
- 👤 Masaharu Shikama
- 👤 Hideto Kusumoto
- 👤 Hideki Yamanouchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:18
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/347; C07C51/353; C08; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/098
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
56 words
A thermoplastic resin composition which is quickly crystallizable and comprises 0.1 to 10 wt. parts of an alkali metal salt of higher fatty acid having carbon atoms of at least 26 obtained by an addition of a fatty acid to α-olefin having carbon atoms of at least 23 per 100 wt. parts of a thermoplastic polyester.
Claim 2
Dependent Claim
56 words
A thermoplastic resin composition which is quickly crystallizable and comprises 0.1 to 10 wt. parts of an alkali metal salt of higher fatty acid having carbon atoms of at least 26 obtained by an addition of a fatty acid to α-olefin having carbon atoms of at least 23 per 100 wt. parts of a thermoplastic polyester.
Claim 3
Dependent Claim
18 words
The thermoplastic resin composition according to claim 1 wherein said α-olefin has carbon atoms of at least 30.
Claim 4
Dependent Claim
20 words
The thermoplastic resin composition according to claim 1 wherein said fatty acid is propionic acid, butyric acid or valeric acid.
Claim 5
Dependent Claim
23 words
The resin composition of claim 3 wherein said fatty acid is propionic acid and said α-olefin contains 43 carbon atoms on the average.
Claim 6
Dependent Claim
23 words
The resin composition of claim 3 wherein said fatty acid is propionic acid and said α-olefin contains 26 carbon atoms on the average.
Claim 7
Dependent Claim
25 words
The thermoplastic polyester resin composition according to claim 1 wherein said alkali metal salt of higher fatty acid has carbon atoms of 30 to 400.
Claim 8
Dependent Claim
28 words
The thermoplastic polyester resin composition according to claim 1 wherein said thermoplastic polyester is polyethyleneterephthalate or a polyester having at least 80 mol % of ethyleneterephthalate repeat units.
Claim 9
Dependent Claim
28 words
The thermoplastic polyester resin composition according to claim 1 wherein said thermoplastic polyester is polybutyleneterephthalate or a polyester having at least 80 mol % of butyleneterephthalate repeat units.
Claim 10
Dependent Claim
24 words
The thermoplastic polyester resin composition according to claim 1 wherein said alkali metal salt of higher fatty acid is sodium, potassium or lithium salt.
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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) | 1986-01-10 | 1986-07-12 | 1987-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-01-10 | 1990-07-12 | 1991-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-01-10 | 1994-07-12 | 1995-01-11 | $7700.00 | Window Closed / Lapsed |