US4192942A
Expired / Lapsed
US
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Emulsifiable ethylene/carbon monoxide copolymer waxes
Assignee: Eastman Chemical Co
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Filing: 1978-08-30
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Granted: 1980-03-11
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Expires: 1998-08-30
Abstract
Abstract This invention is concerned with emulsifiable ethylene/carbon monoxide copolymer waxes prepared by low temperature solid phase oxidation of ethylene/carbon monoxide copolymers. These waxes have a desirable combination of properties including high viscosity, excellent color, and good emulsifiability.
Inventors
- 👤 Kenneth R. Mainord
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:53
CPC Classifications
C; C08; C08G; C08G67/00; C08G67/02
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
65 words
A process for the production of emulsifiable ethylene/carbon monoxide copolymer wax which comprises oxidizing an ethylene/carbon monoxide copolymer having a melt index of about 0.1 to about 500 and a density of about 0.92 to about 0.98 in the solid phase at a temperature of about 75° C. to about 95° C. until said emulsifiable copolymer wax has an acid number of at least 10.
Claim 2
Dependent Claim
65 words
A process for the production of emulsifiable ethylene/carbon monoxide copolymer wax which comprises oxidizing an ethylene/carbon monoxide copolymer having a melt index of about 0.1 to about 500 and a density of about 0.92 to about 0.98 in the solid phase at a temperature of about 75° C. to about 95° C. until said emulsifiable copolymer wax has an acid number of at least 10.
Claim 3
Dependent Claim
19 words
Process according to claim 1 wherein said ethylene/carbon monoxide copolymer contains from 1 to 18 weight percent carbon monoxide.
Claim 4
Dependent Claim
21 words
Process according to claim 2 wherein said ethylene/carbon monoxide copolymer has a crystalline melting point of 95° C. to 110° C.
Claim 5
Dependent Claim
26 words
Process according to claim 3 wherein said oxidation is carried out but in the presence of 0.1 to 5 weight percent of an organic peroxide catalyst.
Claim 6
Dependent Claim
22 words
Process according to claim 3 wherein said oxidation is carried out in the presence of 0.1 to 5 weight percent of ozone.
Claim 7
Dependent Claim
21 words
Process according to claim 4 wherein said emulsifiable copolymer wax has an acid number of from about 10 to about 80.
Claim 8
Dependent Claim
61 words
A process for the production of emulsifiable ethylene/carbon monoxide copolymer wax which comprises oxidizing an ethylene/carbon monoxide copolymer having a melt index of about 0.1 to about 500 and a density of about 0.92 to about 0.98 in the solid phase at a temperature of about 90° C. until said emulsifiable copolymer wax has an acid number of at least 10.
Claim 9
Dependent Claim
61 words
A process for the production of emulsifiable ethylene/carbon monoxide copolymer wax which comprises oxidizing an ethylene/carbon monoxide copolymer having a melt index of about 0.1 to about 500 and a density of about 0.92 to about 0.98 in the solid phase at a temperature of about 90° C. until said emulsifiable copolymer wax has an acid number of at least 10.
Claim 10
Dependent Claim
19 words
Process according to claim 7 wherein said ethylene/carbon monoxide copolymer contains from 1 to 18 weight percent carbon monoxide.
Claim 11
Dependent Claim
20 words
Process according to claim 8 wherein said ethylene copolymer has a crystalline melting point of 95° C. to 110° C.
Claim 12
Dependent Claim
24 words
Process according to claim 9 wherein said oxidation is carried out in the presence of about 0.5 weight percent of an organic peroxide catalyst.
Claim 13
Dependent Claim
21 words
Process accordings to claim 9 wherein said oxidation is carried out in the presence of about 2 weight percent of ozone.
Claim 14
Dependent Claim
21 words
Process according to claim 9 wherein said emulsifiable copolymer wax has an acid number of from about 10 to about 80.
Claim 15
Dependent Claim
65 words
An emulsifiable ethylene/carbon monoxide copolymer wax containing about 1 to about 18 weight percent carbon monoxide, an acid number of from about 10 to about 80, a Gardner color of from 1 to 2, and a ring and ball softening point of about 95° C. to about 120° C., and a melt viscosity of at least about 2,000 to 40,000 centipoise (Brookfield at 125° C.).
Claim 16
Dependent Claim
65 words
An emulsifiable ethylene/carbon monoxide copolymer wax containing about 1 to about 18 weight percent carbon monoxide, an acid number of from about 10 to about 80, a Gardner color of from 1 to 2, and a ring and ball softening point of about 95° C. to about 120° C., and a melt viscosity of at least about 2,000 to 40,000 centipoise (Brookfield at 125° C.).
Claim 17
Dependent Claim
20 words
An emulsifiable ethylene/carbon monoxide copolymer wax according to claim 13 wherein said acid number is about 24 to about 40.
Claim 18
Dependent Claim
25 words
An emulsifiable ethylene/carbon monoxide copolymer wax according to claim 14 wherein said melt viscosity is about 5,000 to about 20,000 centipoise (Brookfield at 125° C.).
Claim 19
Dependent Claim
25 words
An emulsifiable ethylene/carbon monoxide copolymer wax according to claim 15 wherein said ring and ball softening point is about 100° C. to about 115° C.
Claim 20
Dependent Claim
63 words
An emulsifiable ethylene/carbon monoxide copolymer wax containing about 5 to about 10 weight percent carbon monoxide, an acid number of from about 10 to 80, a Gardner color of from 1 to 2, and a ring and ball softening point of about 95° C. to about 120° C., and a melt viscosity of about 5,000 to about 20,000 centipoise (Brookfield at 125° C.).
Claim 21
Dependent Claim
63 words
An emulsifiable ethylene/carbon monoxide copolymer wax containing about 5 to about 10 weight percent carbon monoxide, an acid number of from about 10 to 80, a Gardner color of from 1 to 2, and a ring and ball softening point of about 95° C. to about 120° C., and a melt viscosity of about 5,000 to about 20,000 centipoise (Brookfield at 125° C.).
Claim 22
Dependent Claim
20 words
An emulsifiable ethylene/carbon monoxide copolymer wax according to claim 17 wherein said acid number is about 24 to about 40.
Claim 23
Dependent Claim
25 words
An emulsifiable ethylene/carbon monoxide copolymer wax according to claim 18 wherein said melt viscosity is about 5,000 to about 20,000 centipoise (Brookfield at 125° C.).
Claim 24
Dependent Claim
25 words
An emulsifiable ethylene/carbon monoxide copolymer wax according to claim 19 wherein said ring and ball softening point is about 100° C. to about 115° C.
References Cited (Backward Citations)
US2495286A
Cited
US3780140A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-03-11 | 1983-09-10 | 1984-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-03-11 | 1987-09-10 | 1988-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-03-11 | 1991-09-10 | 1992-03-11 | $7700.00 | Window Closed / Lapsed |