US4891167A
Expired / Lapsed
US
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Block polymers containing a poly(aryl ether ketone) and methods for their production
Assignee: Syensqo Specialty Polymers USA LLC
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Filing: 1988-03-11
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Granted: 1990-01-02
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Expires: 2008-03-11
Abstract
Abstract Described herein are crystalline block polymers and chain extended polymers containing blocks of crystalline poly(aryl ether ketones). Also, described herein are monomers and oligomers suitable for preparing the crystalline block polymers and chain-extended polymers. Further, described herein are methods for producing the crystalline block and chain-extended polymers, as well as the monomers and oligomers.
Inventors
- 👤 Robert A. Clendinning
- 👤 James E. Harris
- 👤 Donald R. Kelsey
- 👤 Markus Matzner
- 👤 Lloyd M. Robeson
- 👤 Paul A. Winslow
- 👤 Louis M. Maresca
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:18
CPC Classifications
C; C08; C08G; C08G65/00; C08G65/34; C08G65/38; C08G65/40; C08G65/4012; C08L; C08L71/00; C08L2205/00; C08L2205/05
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
61 words
A dihalo terminated precursor of the following formula: X--Ar.sub.3 --(Ar.sub.1 --O--Ar.sub.2 --CO).sub.n --Ar.sub.4 --X wherein X is halogen, Ar 1 and Ar 2 are divalent aromatic radials optionally containing solely an ether and/or a carbonyl function, Ar 3 is Ar 4 CO, Ar 4 is 1,4 or 1,2 phenylene, and n is such that the molecular weight is below about 10,000.
Claim 2
Dependent Claim
61 words
A dihalo terminated precursor of the following formula: X--Ar.sub.3 --(Ar.sub.1 --O--Ar.sub.2 --CO).sub.n --Ar.sub.4 --X wherein X is halogen, Ar 1 and Ar 2 are divalent aromatic radials optionally containing solely an ether and/or a carbonyl function, Ar 3 is Ar 4 CO, Ar 4 is 1,4 or 1,2 phenylene, and n is such that the molecular weight is below about 10,000.
Claim 3
Dependent Claim
40 words
A dihydroxy terminated precursor of the following formula: ##STR67## wherein Ar 1 and Ar 2 are divalent aromatic radicals optionally containing solely an ether and/or a carbonyl function and n is such that the molecular weight is below about 10,000.
Claim 4
Dependent Claim
40 words
A dihydroxy terminated precursor of the following formula: ##STR67## wherein Ar 1 and Ar 2 are divalent aromatic radicals optionally containing solely an ether and/or a carbonyl function and n is such that the molecular weight is below about 10,000.
Claim 5
Dependent Claim
57 words
A diacid halide terminated precursor of the following formula: ##STR68## wherein X is halogen, Ar 1 and Ar 2 are divalent aromatic radicals optionally containing solely an ether and/or a carbonyl function, Ar 3 is Ar 4 CO, Ar 4 is 1,4 or 1,2 phenylene and n is such that the molecular weight is below about 10,000.
Claim 6
Dependent Claim
57 words
A diacid halide terminated precursor of the following formula: ##STR68## wherein X is halogen, Ar 1 and Ar 2 are divalent aromatic radicals optionally containing solely an ether and/or a carbonyl function, Ar 3 is Ar 4 CO, Ar 4 is 1,4 or 1,2 phenylene and n is such that the molecular weight is below about 10,000.
Claim 7
Dependent Claim
25 words
A diacid halide terminated precursor as defined in claim 3 of the following formula: ##STR69## wherein Ph is a phenyl or a 1,4 phenylene unit.
Claim 8
Dependent Claim
25 words
A diacid halide terminated precursor as defined in claim 3 of the following formula: ##STR70## wherein Ph is a phenyl or a 1,4 phenylene unit.
Claim 9
Dependent Claim
54 words
A precursor of the following formula: ##STR71## wherein X is halogen, Ar 1 and Ar 2 are divalent aromatic radicals optionally containing solely an ether and/or a carbonyl function, Ar 3 is Ar 4 CO, Ar 4 is 1,4 or 1,2 phenylene and n is such that the molecular weight is below about 10,000.
Claim 10
Dependent Claim
54 words
A precursor of the following formula: ##STR71## wherein X is halogen, Ar 1 and Ar 2 are divalent aromatic radicals optionally containing solely an ether and/or a carbonyl function, Ar 3 is Ar 4 CO, Ar 4 is 1,4 or 1,2 phenylene and n is such that the molecular weight is below about 10,000.
Claim 11
Dependent Claim
26 words
A dihalo terminated precursor as defined in claim 1 of one of the following formula: ##STR72## wherein Ph is a phenyl or a 1,4 phenylene unit.
Claim 12
Dependent Claim
26 words
A dihydroxy terminated precursor as defined in claim 2 of one of the following formula: ##STR73## wherein Ph is a phenyl or a 1,4 phenylene unit.
Claim 13
Dependent Claim
15 words
A compound of the formula: ##STR74## wherein Ph is a phenyl or a 1,4-phenylene unit.
Claim 14
Dependent Claim
15 words
A compound of the formula: ##STR74## wherein Ph is a phenyl or a 1,4-phenylene unit.
Claim 15
Dependent Claim
15 words
A compound of the formula: ##STR75## wherein Ph is a phenyl or a 1,4-phenylene unit.
Claim 16
Dependent Claim
15 words
A compound of the formula: ##STR75## wherein Ph is a phenyl or a 1,4-phenylene unit.
Claim 17
Dependent Claim
17 words
A chain-extending compound of the following formula: ##STR76## wherein Ph is a phenyl or a 1,4-phenylene unit.
Claim 18
Dependent Claim
17 words
A chain-extending compound of the following formula: ##STR76## wherein Ph is a phenyl or a 1,4-phenylene unit.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1993-01-01 | 1993-07-03 | 1994-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-01-01 | 1997-07-03 | 1998-01-02 | $3760.00 | Window Closed / Lapsed |
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