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Patent US4463168A successfully refreshed from Google Patents.
US4463168A
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Polycaprolactone polymers
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1983-12-23
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Granted: 1984-07-31
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Expires: 2003-12-23
Abstract
Abstract The instant invention relates to a process for the formation of polylactone polymers which are terminated on one end by a tertiary amine group, and on the other end by a hydroxyl group. An epsilon -caprolactone is reacted with an aromatic organic amine in the presence of a catalyst.
Inventors
- 👤 Robert D. Lundberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:19
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/78; C08G63/82; C08G63/823; C08G63/02; C08G63/06; C08G63/08; C08G63/68; C08G63/685; C08G63/6852
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
82 words
A polycaprolactone formed by the reaction of an ε-caprolactone with an amine compound having the formula selected from the group consisting of: ##STR5## wherein R 1 , R 2 , and R 3 are selected from the group consisting of the hydrogen, alkyl groups having about 1 to about 10 carbon atoms and aryl groups having about 1 to about 10 carbon atoms, x is an integer of from 4 to 7 and m is an integer of from 0 to 20.
Claim 2
Dependent Claim
82 words
A polycaprolactone formed by the reaction of an ε-caprolactone with an amine compound having the formula selected from the group consisting of: ##STR5## wherein R 1 , R 2 , and R 3 are selected from the group consisting of the hydrogen, alkyl groups having about 1 to about 10 carbon atoms and aryl groups having about 1 to about 10 carbon atoms, x is an integer of from 4 to 7 and m is an integer of from 0 to 20.
Claim 3
Dependent Claim
20 words
A polycaprolactone polymer according to claim 1, wherein said polycaprolactone polymer has a DP of about 2 to about 50.
Claim 4
Dependent Claim
44 words
A polycaprolactone polymer formed by the reaction of an ε-caprolactone with a diamine, wherein one of the amine groups of said diamine is a primary or secondary amine and the other amine groups is contained in a cyclic, heterocyclic, unsaturated or aromatic ring structure.
Claim 5
Dependent Claim
44 words
A polycaprolactone polymer formed by the reaction of an ε-caprolactone with a diamine, wherein one of the amine groups of said diamine is a primary or secondary amine and the other amine groups is contained in a cyclic, heterocyclic, unsaturated or aromatic ring structure.
Claim 6
Dependent Claim
30 words
A polycaprolactone polymer according to claim 3 formed by the reaction of an ε-caprolactone with a diamine, wherein said polycaprolactone polymer has a DP of about 2 to about 500.
Claim 7
Dependent Claim
50 words
A polycaprolactone polymer formed by the reaction of an ε-caprolactone with a compound containing at least two amine groups, wherein one of said amine groups is a primary or secondary amine and the other amine or amine groups are contained in a cyclic, heterocyclic, unsaturated or an aromatic ring structure.
Claim 8
Dependent Claim
50 words
A polycaprolactone polymer formed by the reaction of an ε-caprolactone with a compound containing at least two amine groups, wherein one of said amine groups is a primary or secondary amine and the other amine or amine groups are contained in a cyclic, heterocyclic, unsaturated or an aromatic ring structure.
Claim 9
Dependent Claim
32 words
A polycaprolactone polymer formed by the reaction of an ε-caprolactone with a compound containing at least two amine groups, wherein said polycaprolactone polymer has a DP of about 2 to about 500.
Claim 10
Dependent Claim
32 words
A polycaprolactone polymer formed by the reaction of an ε-caprolactone with a compound containing at least two amine groups, wherein said polycaprolactone polymer has a DP of about 2 to about 500.
Claim 11
Dependent Claim
67 words
A polycaprolactone polymer formed from the reaction of an ε-caprolactone and an amine compound having the formula: ##STR6## wherein R 1 , R 2 , and R 3 are selected from the group consisting of hydrogen, alkyl groups having about 1 to about 10 carbon atoms and aryl groups having about 1 to about 10 carbon atoms and m is an integer of from 0 to 20.
Claim 12
Dependent Claim
67 words
A polycaprolactone polymer formed from the reaction of an ε-caprolactone and an amine compound having the formula: ##STR6## wherein R 1 , R 2 , and R 3 are selected from the group consisting of hydrogen, alkyl groups having about 1 to about 10 carbon atoms and aryl groups having about 1 to about 10 carbon atoms and m is an integer of from 0 to 20.
Claim 13
Dependent Claim
20 words
A polycaprolactone polymer according to claim 7, wherein said polycaprolactone polymer has a DP of about 2 to about 50.
Claim 14
Dependent Claim
72 words
A poly lactone formed by the reaction of ε-caprolactone and a substituted 6 or 7 membered lactone where ε-caprolactone comprises at least 50% of the composition, wherein the monomers are polymerized by the reaction with a diamine, wherein one of the amine groups of said diamine is a primary or secondary amine and the other amine is a tertiary amine or is contained in a cyclic, heterocyclic, unsaturated or aromatic ring structure.
Claim 15
Dependent Claim
72 words
A poly lactone formed by the reaction of ε-caprolactone and a substituted 6 or 7 membered lactone where ε-caprolactone comprises at least 50% of the composition, wherein the monomers are polymerized by the reaction with a diamine, wherein one of the amine groups of said diamine is a primary or secondary amine and the other amine is a tertiary amine or is contained in a cyclic, heterocyclic, unsaturated or aromatic ring structure.
References Cited (Backward Citations)
US4379914A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-07-31 | 1988-01-30 | 1988-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-07-31 | 1992-01-30 | 1992-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-07-31 | 1996-01-30 | 1996-07-31 | $7700.00 | Window Closed / Lapsed |