US4398022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extrusion blow moldable copolyesters
Assignee: Eastman Chemical Co
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Filing: 1980-09-02
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Granted: 1983-08-09
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Expires: 2000-09-02
Abstract
Abstract Disclosed are copolyesters which are capable of being extrusion blow molded into a variety of shapes such as, for example, bottles, films or the like. The copolyesters are derived from an acid component comprising terephthalic acid and 1,12-dodecanedioic acid, and a glycol component comprising 1,4-cyclohexanedimethanol.
Inventors
- 👤 Bobby J. Sublett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 00:26
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/16; C08G63/18
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
84 words
Copolyester derived from (A) an acid component comprising about 10-90 mole % terephthalic acid and about 90-10 mole % 1,12-dodecanedioic acid, and (B) a glycol component comprising at least 60 mole % 1,4-cyclohexanedimethanol, said copolyester having an inherent viscosity of about 0.5 to about 1.8 as determined at 23° C. using 0.5 gram of polymer per 100 ml. of a solvent consisting of a 60/40 mixture of phenol/tetrachloroethane, and said mole % being based on 100 mole % acid and 100 mole % glycol.
Claim 2
Dependent Claim
84 words
Copolyester derived from (A) an acid component comprising about 10-90 mole % terephthalic acid and about 90-10 mole % 1,12-dodecanedioic acid, and (B) a glycol component comprising at least 60 mole % 1,4-cyclohexanedimethanol, said copolyester having an inherent viscosity of about 0.5 to about 1.8 as determined at 23° C. using 0.5 gram of polymer per 100 ml. of a solvent consisting of a 60/40 mixture of phenol/tetrachloroethane, and said mole % being based on 100 mole % acid and 100 mole % glycol.
Claim 3
Dependent Claim
84 words
Copolyester derived from (A) an acid component comprising about 40-60 mole % terephthalic acid and about 60-40 mole % 1,12-dodecanedioic acid, and (B) a glycol component comprising at least 60 mole % 1,4-cyclohexanedimethanol, said copolyester having an inherent viscosity of about 0.5 to about 1.8 as determined at 23° C. using 0.5 gram of polymer per 100 ml. of a solvent consisting of a 60/40 mixture of phenol/tetrachloroethane, and said mole % being based on 100 mole % acid and 100 mole % glycol.
Claim 4
Dependent Claim
84 words
Copolyester derived from (A) an acid component comprising about 40-60 mole % terephthalic acid and about 60-40 mole % 1,12-dodecanedioic acid, and (B) a glycol component comprising at least 60 mole % 1,4-cyclohexanedimethanol, said copolyester having an inherent viscosity of about 0.5 to about 1.8 as determined at 23° C. using 0.5 gram of polymer per 100 ml. of a solvent consisting of a 60/40 mixture of phenol/tetrachloroethane, and said mole % being based on 100 mole % acid and 100 mole % glycol.
Claim 5
Dependent Claim
92 words
Copolyester derived from (A) an acid component comprising about 40-45 mole % terephthalic acid, about 40-45 mole % 1,12-dodecanedioic acid and about 10-20 mole % of a third dicarboxylic acid, (B) a glycol component comprising at least 60 mole % 1,4-cyclohexanedimethanol, said copolyester having an inherent viscosity of about 0.5 to about 1.8 as determined at 23° C. using 0.5 gram of polymer per 100 ml. of a solvent consisting of a 60/40 mixture of phenol/tetrachloroethane, and said mole % being based on 100 mole % acid and 100 mole % glycol.
Claim 6
Dependent Claim
92 words
Copolyester derived from (A) an acid component comprising about 40-45 mole % terephthalic acid, about 40-45 mole % 1,12-dodecanedioic acid and about 10-20 mole % of a third dicarboxylic acid, (B) a glycol component comprising at least 60 mole % 1,4-cyclohexanedimethanol, said copolyester having an inherent viscosity of about 0.5 to about 1.8 as determined at 23° C. using 0.5 gram of polymer per 100 ml. of a solvent consisting of a 60/40 mixture of phenol/tetrachloroethane, and said mole % being based on 100 mole % acid and 100 mole % glycol.
Claim 7
Dependent Claim
13 words
An extrusion blow molded article of manufacture comprising the copolyester of claim 1.
Claim 8
Dependent Claim
13 words
An extrusion blow molded article of manufacture comprising the copolyester of claim 2.
Claim 9
Dependent Claim
13 words
An extrusion blow molded article of manufacture comprising the copolyester of claim 3.
Claim 10
Dependent Claim
11 words
An extrusion blow molded film comprising the copolyester of claim 1.
Claim 11
Dependent Claim
11 words
An extrusion blow molded film comprising the copolyester of claim 2.
Claim 12
Dependent Claim
11 words
An extrusion blow molded film comprising the copolyester of claim 3.
Claim 13
Dependent Claim
11 words
An extrusion blow molded container comprising the copolyester of claim 1.
Claim 14
Dependent Claim
11 words
An extrusion blow molded container comprising the copolyester of claim 2.
Claim 15
Dependent Claim
11 words
An extrusion blow molded container comprising the copolyester of claim 3.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-08-08 | 1987-02-07 | 1987-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-08-08 | 1991-02-07 | 1991-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-08-08 | 1995-02-07 | 1995-08-09 | $7700.00 | Window Closed / Lapsed |