US3897375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mineral-pigment and butadiene copolymer binder paper coating compositions
Assignee: DIC Corp
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Filing: 1973-11-26
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Granted: 1975-07-29
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Expires: 1993-11-26
Abstract
Abstract A paper coating composition comprising 1. 100 PARTS BY WEIGHT OF A MINERAL PIGMENT; AND 2. 3-35 PARTS BY WEIGHT, CALCULATED AS SOLIDS, OF AN AQUEOUS SOLUTION OF PH of at least 8 in which there has been dissolved a compound selected from the group consisting of an ammonium salt, an alkali salt and an amine salt of a copolymer of 20-70 weight % of butadiene, 20-80 weight % of at least one monoethylenically unsaturated carboxylic acid and 0-60 weight % of a third monomer selected from the group consisting of methyl acrylate, methyl methacrylate, ethyl acrylate, ethyl methacrylate, styrene, alphamethlystyrene, acrylonitrile, methacrylonitrile, vinyl chloride and vinyl pyridine.
Inventors
- 👤 Akikazu Takahashi
- 👤 Yuji Futatsugi
- 👤 Hiroo Wakayama
- 👤 Takamu Yao
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:22
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/36; D21H19/44; D21H19/56; D21H19/58; C; C08; C08K; C08K3/00; C08K3/01; C08K3/013; C08L; C08L89/00; C08L9/00; C08L9/10
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
147 words
A PAPER COATING COMPOSITION COMPRISING 1. 100 PARTS BY WEIGHT OF A MINERAL PIGMENT, 2. 3 - 35 PARTS BY WEIGHT, CALCULATED AS SOLIDS, OF AN AQUEOUS SOLUTION OF A PH OF AT LEAST 8 WHEREIN HAS BEEEN DISSOLVED A MEMBER SELECTED FROM THE GROUP CONSISTING OF AN AMMONIUM SALT, AN ALKALI SALT AND AN AMINE SALT OF A COPOLYMER OF 20 - 70 WEIGHT % OF BUTADIENE, 20 - 80 WEIGHT % OF AT LEAST ONE MONOETHYLENICALLY UNSATURATED CARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF ACRYLIC ACID, METHACRYLIC ACID, ITACONIC ACID, FUMARIC ACID, MALEIC ACID AND CROTONIC ACID 0-60 WEIGHT % OF A THIRD MONOMER SELECTED FROM THE GROUP CONSISTING OF METH MONOMER METHYL METHACRYLATE, ETHYL ACRYLATE, ETHYL METHACRYLATE, STYRENE, ALPHA-METHYLSTYRENE, ACRYLONITRILE, METHACTYLONITRILE, VINYL CHLORIDE AND VINYL PYRIDINE, AND 3. 1 - 30 PARTS BY WEIGHT, CALCULATED AS SOLIDS, OF A CARBOXYLATED SYNTHETIC RUBBER LATEX.
Claim 2
Dependent Claim
147 words
A PAPER COATING COMPOSITION COMPRISING 1. 100 PARTS BY WEIGHT OF A MINERAL PIGMENT, 2. 3 - 35 PARTS BY WEIGHT, CALCULATED AS SOLIDS, OF AN AQUEOUS SOLUTION OF A PH OF AT LEAST 8 WHEREIN HAS BEEEN DISSOLVED A MEMBER SELECTED FROM THE GROUP CONSISTING OF AN AMMONIUM SALT, AN ALKALI SALT AND AN AMINE SALT OF A COPOLYMER OF 20 - 70 WEIGHT % OF BUTADIENE, 20 - 80 WEIGHT % OF AT LEAST ONE MONOETHYLENICALLY UNSATURATED CARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF ACRYLIC ACID, METHACRYLIC ACID, ITACONIC ACID, FUMARIC ACID, MALEIC ACID AND CROTONIC ACID 0-60 WEIGHT % OF A THIRD MONOMER SELECTED FROM THE GROUP CONSISTING OF METH MONOMER METHYL METHACRYLATE, ETHYL ACRYLATE, ETHYL METHACRYLATE, STYRENE, ALPHA-METHYLSTYRENE, ACRYLONITRILE, METHACTYLONITRILE, VINYL CHLORIDE AND VINYL PYRIDINE, AND 3. 1 - 30 PARTS BY WEIGHT, CALCULATED AS SOLIDS, OF A CARBOXYLATED SYNTHETIC RUBBER LATEX.
Claim 3
Dependent Claim
119 words
3 - 35 parts by weight, calculated as solids, of an aqueous solution of a pH of at least 8 wherein has been dissolved a member selected from the group consisting of an ammonium salt, an alkali salt and an amine salt of a copolymer of 20 - 70 weight % of butadiene, 20 - 80 weight % of at least one monoethylenically unsaturated carboxylic acid selected from the group consisting of acrylic acid, methacrylic acid, itaconic acid, fumaric acid, maleic acid and crotonic acid and 0 - 60 weight % of a Third monomer selected from the group consisting of methyl acrylate, methyl methacrylate, ethyl acrylate, ethyl methacrylate, styrene, alpha-methylstyrene, acrylonitrile, methacrylonitrile, vinyl chloride and vinyl pyridine; and
Claim 4
Dependent Claim
119 words
3 - 35 parts by weight, calculated as solids, of an aqueous solution of a pH of at least 8 wherein has been dissolved a member selected from the group consisting of an ammonium salt, an alkali salt and an amine salt of a copolymer of 20 - 70 weight % of butadiene, 20 - 80 weight % of at least one monoethylenically unsaturated carboxylic acid selected from the group consisting of acrylic acid, methacrylic acid, itaconic acid, fumaric acid, maleic acid and crotonic acid and 0 - 60 weight % of a Third monomer selected from the group consisting of methyl acrylate, methyl methacrylate, ethyl acrylate, ethyl methacrylate, styrene, alpha-methylstyrene, acrylonitrile, methacrylonitrile, vinyl chloride and vinyl pyridine; and
Claim 5
Dependent Claim
116 words
3 - 35 parts by weight, calculated as solids, of an aqueous solution of pH of at least 8 wherein has been dissolved a member selected from the group consisting of an ammonium salt, an alkali salt and amine salt of a copolymer of 20 - 70 weight % of butadiene, 20 - 80 weight % of at least one monoethylinically unsaturated carboxylic acid selected from the group consisting of acrylic acid, methacrylic acid, itaconic acid, fumaric acid, maleic acid and crotonic acid and 0 - 60 weight % of a third monomer selected from the group consisting of methyl acrylate, methyl methacrylate, ethyl acrylate, ethyl methacrylate, styrene, alpha-methylstyrene, acrylonitrile, methacrylonitrile, vinyl chloride and vinyl pyridine;
Claim 6
Dependent Claim
116 words
3 - 35 parts by weight, calculated as solids, of an aqueous solution of pH of at least 8 wherein has been dissolved a member selected from the group consisting of an ammonium salt, an alkali salt and amine salt of a copolymer of 20 - 70 weight % of butadiene, 20 - 80 weight % of at least one monoethylinically unsaturated carboxylic acid selected from the group consisting of acrylic acid, methacrylic acid, itaconic acid, fumaric acid, maleic acid and crotonic acid and 0 - 60 weight % of a third monomer selected from the group consisting of methyl acrylate, methyl methacrylate, ethyl acrylate, ethyl methacrylate, styrene, alpha-methylstyrene, acrylonitrile, methacrylonitrile, vinyl chloride and vinyl pyridine;
Claim 7
Dependent Claim
5 words
A paper coating composition comprising
Claim 8
Dependent Claim
5 words
A paper coating composition comprising
Claim 9
Dependent Claim
15 words
1 - 30 parts by weight, calculated as solids, of a carboxylated synthetic rubber latex.
Claim 10
Dependent Claim
15 words
1 - 30 parts by weight, calculated as solids, of a carboxylated synthetic rubber latex.
Claim 11
Dependent Claim
34 words
The composition of claim 1 wherein said copolymer consists of 20 - 70 weight % of butadiene, 20 - 80 weight % of acrylic acid and 5 - 60 weight % of methyl methacrylate.
Claim 12
Dependent Claim
7 words
1-30 parts by weight of casein; and
Claim 13
Dependent Claim
7 words
1-30 parts by weight of casein; and
Claim 14
Dependent Claim
19 words
The composition of claim 2 wherein the solids content of said aqueous solution is 5 - 40 weight %.
Claim 15
Dependent Claim
13 words
1-30 parts by weight, calculated as solids, of a carboxylated synthetic rubber latex.
Claim 16
Dependent Claim
13 words
1-30 parts by weight, calculated as solids, of a carboxylated synthetic rubber latex.
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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) | 1978-07-28 | 1979-01-27 | 1979-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-07-28 | 1983-01-27 | 1983-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-07-28 | 1987-01-27 | 1987-07-29 | $7700.00 | Window Closed / Lapsed |