Patent US3764121A successfully refreshed from Google Patents.
US4065613A
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Alternating copolymers of alkyl acrylate/ethylene/branching agents
Assignee: EIDP Inc
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Filing: 1975-03-17
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Granted: 1977-12-27
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Expires: 1995-03-17
Abstract
Abstract An amorphous atactic alternating branched copolymer having a glass transition temperature less than about 0° C., said copolymer having repeating units of --A--B-- wherein A is a polymerized unit derived from a compound containing the group ##STR1## and where B is a polymerized unit derived from a compound containing the group CH 2 =C<.
Inventors
- 👤 Anestis Leonidas Logothetis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:25
CPC Classifications
C; C08; C08F; C08F210/00; C08F210/02; C08F220/00; C08F220/02; C08F220/10
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
56 words
An amorphous atactic alternating branched copolymer having a glass transition temperature of less than 0° C obtained by addition polymerization by polymerizing in the presence of a Lewis acid and free radical initiator, said copolymer having repeating units of --A--B-- wherein A is the polymerized unit of the ethylenically unsaturated carbon-carbon bond of the group ##STR25##
Claim 2
Dependent Claim
56 words
An amorphous atactic alternating branched copolymer having a glass transition temperature of less than 0° C obtained by addition polymerization by polymerizing in the presence of a Lewis acid and free radical initiator, said copolymer having repeating units of --A--B-- wherein A is the polymerized unit of the ethylenically unsaturated carbon-carbon bond of the group ##STR25##
Claim 3
Dependent Claim
73 words
contained in a compound selected from the class consisting of: 1. ethyl acrylate, 2. ethylene glycol diacrylate, 3. maleic acid monoethyl ester, and B is the polymerized unit of the ethylenically unsaturated carbon-carbon bond of ethylene, wherein the total amount of (2) present is 0.05 t 5 mole percent; the amount of (3) present is either none or 1 to 10 mole percent; and the amount of (1) and ethylene present is complemental.
Claim 4
Dependent Claim
73 words
contained in a compound selected from the class consisting of: 1. ethyl acrylate, 2. ethylene glycol diacrylate, 3. maleic acid monoethyl ester, and B is the polymerized unit of the ethylenically unsaturated carbon-carbon bond of ethylene, wherein the total amount of (2) present is 0.05 t 5 mole percent; the amount of (3) present is either none or 1 to 10 mole percent; and the amount of (1) and ethylene present is complemental.
Claim 5
Dependent Claim
56 words
An amorphous atactic alternating branched copolymer having a glass transition temperature of less than 0° C obtained by addition polymerization by polymerizing in the presence of a Lewis acid and free radical initiator, said copolymer having repeating units of --A--B-- wherein A is the polymerized unit of the ethylenically unsaturated carbon-carbon bond of the group ##STR26##
Claim 6
Dependent Claim
56 words
An amorphous atactic alternating branched copolymer having a glass transition temperature of less than 0° C obtained by addition polymerization by polymerizing in the presence of a Lewis acid and free radical initiator, said copolymer having repeating units of --A--B-- wherein A is the polymerized unit of the ethylenically unsaturated carbon-carbon bond of the group ##STR26##
Claim 7
Dependent Claim
94 words
contained in a compound selected from the class consisting of: 1. ethyl acrylate, 2. maleic acid monoethyl ester, 3. allyl acrylate; and B is the polymerized unit of the ethylenically unsaturated carbon-carbon bond of the group CH 2 ═ C< contained in a compound selected from the class consisting of: 4. ethylene, 5. allyl acrylate; wherein the total amount of (3) or (5) present is 0.05 to 5 mole percent; the amount of (2) present is either none or 1 to 10 mole percent; and the amount of (1) and (4) present is complemental.
Claim 8
Dependent Claim
94 words
contained in a compound selected from the class consisting of: 1. ethyl acrylate, 2. maleic acid monoethyl ester, 3. allyl acrylate; and B is the polymerized unit of the ethylenically unsaturated carbon-carbon bond of the group CH 2 ═ C< contained in a compound selected from the class consisting of: 4. ethylene, 5. allyl acrylate; wherein the total amount of (3) or (5) present is 0.05 to 5 mole percent; the amount of (2) present is either none or 1 to 10 mole percent; and the amount of (1) and (4) present is complemental.
Claim 9
Dependent Claim
56 words
An amorphous atactic alternating branched copolymer having a glass transition temperature of less than 0° C obtained by addition polymerization by polymerizing in the presence of a Lewis acid and free radical initiator, said copolymer having repeating units of --A--B-- wherein A is the polymerized unit of the ethylenically unsaturated carbon-carbon bond of the group ##STR27##
Claim 10
Dependent Claim
56 words
An amorphous atactic alternating branched copolymer having a glass transition temperature of less than 0° C obtained by addition polymerization by polymerizing in the presence of a Lewis acid and free radical initiator, said copolymer having repeating units of --A--B-- wherein A is the polymerized unit of the ethylenically unsaturated carbon-carbon bond of the group ##STR27##
Claim 11
Dependent Claim
92 words
contained in a compound selected from the class consisting of: 1. ethyl acrylate, 2. allyl acrylate, 3. chloroethyl acrylate; and B is the polymerized unit of the ethylenically unsaturated carbon-carbon bond of the group CH 2 ═ C< contained in a compound selected from the class consisting of: 4. ethylene, 5. allyl acrylate; wherein the total amount of (2) or (5) present is 0.05 to 5 mole percent; the amount of (3) present is either none or 1 to 10 mole percent; and the amount of (1) and (4) present is complemental.
Claim 12
Dependent Claim
92 words
contained in a compound selected from the class consisting of: 1. ethyl acrylate, 2. allyl acrylate, 3. chloroethyl acrylate; and B is the polymerized unit of the ethylenically unsaturated carbon-carbon bond of the group CH 2 ═ C< contained in a compound selected from the class consisting of: 4. ethylene, 5. allyl acrylate; wherein the total amount of (2) or (5) present is 0.05 to 5 mole percent; the amount of (3) present is either none or 1 to 10 mole percent; and the amount of (1) and (4) present is complemental.
References Cited (Backward Citations)
US2599123A
Cited
US2783212A
Cited
US2985625A
Cited
US3183217A
Cited
US3647771A
Cited
US3393168A
Cited
GB1123723A
Cited
US3413272A
Cited
US3814734A
Cited
US3501445A
Cited
US3925326A
Cited
US3793262A
Cited
US3957732A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-12-26 | 1981-06-27 | 1981-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-12-26 | 1985-06-27 | 1985-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-12-26 | 1989-06-27 | 1989-12-27 | $7700.00 | Window Closed / Lapsed |