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US3755233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition comprising ethylene/vinyl chloride/n-methylol acrylamide and a mineral pigment for coating paper
Assignee: Monsanto Co
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Filing: 1970-07-20
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Granted: 1973-08-28
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Expires: 1990-07-20
Abstract
Abstract Composition comprising an aqueous dispersion of ethylene/vinyl chloride/N-methylol acrylamide and a mineral pigment useful for coating cellulosic substrates such as paper and paperboard.
Inventors
- 👤 W Fallwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:00
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/285; D06M15/29; C; C09; C09D; C09D123/00; C09D123/02; C09D123/04; C09D123/08; C09D127/00; C09D127/02; C09D127/04; C09D127/06; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31971; Y10T428/31975
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
38 words
Composition of claim 1 wherein the terpolymer contains from about 20 to about 40 weight percent ethylene, from about 60 to about 80 weight percent vinyl chloride, and from about 1.5 to about 4 weight percent N-methylol acrylamide.
Claim 2
Dependent Claim
9 words
Composition of claim 1 wherein the pigment is clay.
Claim 3
Dependent Claim
29 words
Composition of claim 1 wherein the terpolymer is present in an amount from about 10 to about 25 parts by weight for each 100 parts by weight of pigment.
Claim 4
Dependent Claim
71 words
Cellulosic substrate having on at least one surface thereof a dried coating comprising a pigment and from about 1 to about 100 parts by weight, per each 100 parts by weight of pigment, of an ethylene/vinyl chloride/N-methylol acrylamide terpolymer binder containing from about 15 to about 70 weight percent ethylene, from about 30 to about 85 weight percent vinyl chloride, and from about 0.1 to about 10 weight percent N-methylol acrylamide.
Claim 5
Dependent Claim
38 words
Substrate of claim 5 wherein the terpolymer contains from about 20 to about 40 weight percent ethylene, from about 60 to about 80 weight percent vinyl chloride and from about 1.5 to about 4 weight percent N-methylol acrylamide.
Claim 6
Dependent Claim
34 words
Substrate of claim 5 wherein the pigment is clay and the terpolymer is present in an amount from about 10 to about 25 parts by weight for each 100 parts by weight of pigment.
Claim 7
Dependent Claim
7 words
Substrate of claim 5 which is paper.
Claim 8
Dependent Claim
71 words
Substrate of claim 5 wherein the pigment is clay, the substrate is paper, the terpolymer is present in an amount from about 10 to about 25 parts by weight for each 100 parts by weight of pigment and the terpolymer contains from about 20 to about 40 weight percent ethylene, from about 60 to about 80 weight percent vinyl chloride, and from about 1.5 to about 4 weight percent N-methylol acrylamide.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-08-27 | 1977-02-26 | 1977-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-27 | 1981-02-26 | 1981-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-27 | 1985-02-26 | 1985-08-28 | $7700.00 | Window Closed / Lapsed |