US4503185A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinyl acetate/ethylene copolymer emulsions for paper coating compositions
Assignee: Air Products and Chemicals Inc
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Filing: 1984-06-22
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Granted: 1985-03-05
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Expires: 2004-06-22
Abstract
Abstract Aqueous vinyl ester/ethylene copolymer emulsions possessing good dry pick and wet pick strengths in paper coating compositions comprise a vinyl ester/ethylene copolymer colloidally dispersed in an aqueous medium, the copolymer consisting essentially of (a) a vinyl ester of a C 1 -C 12 alkanoic acid, (b) about 0.5 to 15 wt % ethylene, (c) about 0.1 to 10 wt % of an ethylenically unsaturated mono- or dicarboxylic acid or half ester thereof, (d) about 0.05 to 10 wt % of a dicyclopentadienyl acrylate, and (e) 0-50 wt % of an alkyl acrylate.
Inventors
- 👤 Mary L. Hausman
- 👤 Gerald D. Miller
- 👤 Lawrence K. Wempe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:24
CPC Classifications
C; C08; C08F; C08F218/00; C08F218/02; C08F218/04; D; D21; D21H; D21H19/00; D21H19/36; D21H19/44; D21H19/56; D21H19/58; D21H19/60
Claims Analysis
Total Claims: 27
Claim 1
Independent Claim
86 words
A copolymer emulsion comprising a vinyl ester/ethylene copolymer colloidally dispersed in an aqueous medium, the copolymer consisting essentially of (a) a vinyl ester of a C 1 -C 12 alkanoic acid, (b) about 0.5 to 15 wt% ethylene, (c) 0.1 to 10 wt% of an ethylenically unsaturated C 3 -C 10 mono- or dicarboxylic acid or half ester of such dicarboxylic acid with a C 1 -C 18 alkanol, (d) 0.05 to 10 wt% of a dicyclopentadienyl acrylate, and (e) 0-50 wt% of an alkyl acrylate.
Claim 2
Dependent Claim
86 words
A copolymer emulsion comprising a vinyl ester/ethylene copolymer colloidally dispersed in an aqueous medium, the copolymer consisting essentially of (a) a vinyl ester of a C 1 -C 12 alkanoic acid, (b) about 0.5 to 15 wt% ethylene, (c) 0.1 to 10 wt% of an ethylenically unsaturated C 3 -C 10 mono- or dicarboxylic acid or half ester of such dicarboxylic acid with a C 1 -C 18 alkanol, (d) 0.05 to 10 wt% of a dicyclopentadienyl acrylate, and (e) 0-50 wt% of an alkyl acrylate.
Claim 3
Dependent Claim
15 words
The emulsion of claim 1 in which the copolymer is 2 to 8 wt% ethylene.
Claim 4
Dependent Claim
15 words
The emulsion of claim 1 in which component (c) is about 0.3 to 3 wt%.
Claim 5
Dependent Claim
41 words
The emulsion of claim 1 in which component (c) is acrylic acid, methacrylic acid, crotonic acid, isocrotonic acid, maleic acid, fumaric acid, itaconic acid or a half ester of such dicarboxylic acids with methanol, ethanol, propanol, butanol, or 2-ethyl hexyl alcohol.
Claim 6
Dependent Claim
15 words
The emulsion of claim 1 in which component (d) is about 0.25 to 3 wt%.
Claim 7
Dependent Claim
12 words
The emulsion of claim 1 in which component (d) is dicyclopentadienyl acrylate.
Claim 8
Dependent Claim
12 words
The emulsion of claim 1 in which component (d) is dicyclopentadienyl methacrylate.
Claim 9
Dependent Claim
17 words
The emulsion of claim 1 in which component (e) is 0 to less than about 20 wt%.
Claim 10
Dependent Claim
22 words
A pigmented paper coating composition comprising 100 parts pigment and 1 to 30 parts (solids) of a copolymer emulsion of claim 1.
Claim 11
Dependent Claim
48 words
A pigmented paper coating composition comprising 100 parts of pigment, 0.01 to 0.5 parts dispersing agent, 1 to 30 parts (solids) emulsion of claim 1, 0 to 25 parts co-binder, 0 to 0.2 parts defoamer and sufficient water to obtain a solids level of 35 to 70 wt%.
Claim 12
Dependent Claim
88 words
A copolymer emulsion comprising a vinyl acetate copolymer colloidally dispersed in an aqueous medium, the copolymer consisting essentially of (a) vinyl acetate, (b) 0.5 to 15 wt% ethylene, (c) 0.1 to 10 wt% of an ethylenically unsaturated C 3 -C 10 mono- or dicarboxylic acid or half ester of such dicarboxylic acid with a C 1 -C 18 alkanol, (d) 0.05 to 10 wt% of dicyclopentadienyl acrylate or dicyclopentadienyl methacrylate, and, optionally, (e) less than about 20 wt% of a C 1 -C 8 alkyl acrylate or methacrylate.
Claim 13
Dependent Claim
88 words
A copolymer emulsion comprising a vinyl acetate copolymer colloidally dispersed in an aqueous medium, the copolymer consisting essentially of (a) vinyl acetate, (b) 0.5 to 15 wt% ethylene, (c) 0.1 to 10 wt% of an ethylenically unsaturated C 3 -C 10 mono- or dicarboxylic acid or half ester of such dicarboxylic acid with a C 1 -C 18 alkanol, (d) 0.05 to 10 wt% of dicyclopentadienyl acrylate or dicyclopentadienyl methacrylate, and, optionally, (e) less than about 20 wt% of a C 1 -C 8 alkyl acrylate or methacrylate.
Claim 14
Dependent Claim
14 words
The emulsion of claim 11 in which component (b) is 2 to 8 wt%.
Claim 15
Dependent Claim
15 words
The emulsion of claim 11 in which component (c) is about 0.3 to 3 wt%.
Claim 16
Dependent Claim
12 words
The emulsion of claim 13 in which component (c) is acrylic acid.
Claim 17
Dependent Claim
12 words
The emulsion of claim 13 in which component (c) is maleic acid.
Claim 18
Dependent Claim
15 words
The emulsion of claim 11 in which component (d) is about 0.25 to 3 wt%.
Claim 19
Dependent Claim
12 words
The emulsion of claim 16 in which component (d) is dicyclopentadienyl acrylate.
Claim 20
Dependent Claim
12 words
The emulsion of claim 16 in which component (d) is dicyclopentadienyl methacrylate.
Claim 21
Dependent Claim
12 words
The emulsion of claim 11 in which component (d) is butyl acrylate.
Claim 22
Dependent Claim
22 words
A pigmented paper coating composition comprising 100 parts pigment and 1 to 30 parts (solids) of a copolymer emulsion of claim 11.
Claim 23
Dependent Claim
48 words
A pigmented paper coating composition comprising 100 parts of pigment, 0.01 to 0.5 parts dispersing agent, 1 to 30 parts (solids) emulsion of claim 11, 0 to 25 parts co-binder, 0 to 0.2 parts defoamer and sufficient water to obtain a solids level of 35 to 70 wt%.
Claim 24
Dependent Claim
52 words
A copolymer emulsion comprising 40 to 60 wt% of a vinyl acetate copolymer colloidally dispersed in an aqueous medium, the copolymer consisting essentially of (a) vinyl acetate, (b) 2 to 8 wt% ethylene, (c) 0.3 to 3 wt% maleic acid, and (d) 0.25 to 3 wt% of dicyclopentadienyl acrylate or dicyclopentadienyl methacrylate.
Claim 25
Dependent Claim
52 words
A copolymer emulsion comprising 40 to 60 wt% of a vinyl acetate copolymer colloidally dispersed in an aqueous medium, the copolymer consisting essentially of (a) vinyl acetate, (b) 2 to 8 wt% ethylene, (c) 0.3 to 3 wt% maleic acid, and (d) 0.25 to 3 wt% of dicyclopentadienyl acrylate or dicyclopentadienyl methacrylate.
Claim 26
Dependent Claim
18 words
The emulsion of claim 22 in which the copolymer also contains less than about 20 wt% butyl acrylate.
Claim 27
Dependent Claim
48 words
A pigmented paper coating composition comprising 100 parts of pigment, 0.01 to 0.5 parts dispersing agent, 1 to 30 parts (solids) emulsion of claim 22, 0 to 25 parts co-binder, 0 to 0.2 parts defoamer and sufficient water to obtain a solids level of 35 to 70 wt%.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-03-04 | 1988-09-03 | 1989-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-03-04 | 1992-09-03 | 1993-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-03-04 | 1996-09-03 | 1997-03-05 | $7700.00 | Window Closed / Lapsed |