US3922244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermosetting water-based coatings
Assignee: Valspar Corp
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Filing: 1974-03-15
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Granted: 1975-11-25
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Expires: 1994-03-15
Abstract
Abstract A thermosetting water-based coating comprises the ammonium salt of an ethylene/acrylic acid copolymer, a carboxyl modified styrene/butadiene latex optionally a pigment, and a conventional aminoplast in an aqueous vehicle. When the coating is applied to a paper substrate, such as paper cups, a durable waterproof finish is produced.
Inventors
- 👤 Dwight L Stephens
- 👤 Jeffrey D Lord
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:30
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/36; D21H19/44; D21H19/56; D21H19/58; C; C08; C08K; C08K3/00; C08K3/18; C08K5/00; C08K5/04; C08K5/05; C08L; C08L25/00; C08L25/02; C08L25/04; C08L25/08; C09; C09D; C09D125/00; C09D125/02; C09D125/04; C09D125/08; D21H19/10; D21H19/14; D21H19/20; D21H19/22; C08L23/00; C08L23/02; C08L23/04; C08L23/08; C08L61/00; C08L61/20
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
85 words
A THERMOSETTING WATER BASED COATING COMPOSITIONS CONTAINING BY WEIGHT OF THE COMPOSITION: A. 2-10 PERCENT OF THE AMMONIUM SALT OF AN ETHYLENE-ACRYLIC ACID COPOLYMER CONTAINING 15-25 WEIGHT PERCENT ACRYLIC ACID; B. 20-30 PERCENT OF A TERPOLYMER OS STYRENE, BUTADIENE, AND UNSATURATED CARBOXYLIC ACID CONTAINING 50-70 WEIGHT PERCENT STYRENE AND HAVING AN ACID NUMBER OF 15-25; C. 1-5 PERCENT OF AN AMINOPLAST; D. 0-20 PERCENT OF PIGMENT; E. 0-3 PERCENT OF WAX; F. 45-60 PERCENT OF WATER; AND G. 0-4 PERCENT OF C2 TO C8 ALCOHOL.
Claim 2
Dependent Claim
85 words
A THERMOSETTING WATER BASED COATING COMPOSITIONS CONTAINING BY WEIGHT OF THE COMPOSITION: A. 2-10 PERCENT OF THE AMMONIUM SALT OF AN ETHYLENE-ACRYLIC ACID COPOLYMER CONTAINING 15-25 WEIGHT PERCENT ACRYLIC ACID; B. 20-30 PERCENT OF A TERPOLYMER OS STYRENE, BUTADIENE, AND UNSATURATED CARBOXYLIC ACID CONTAINING 50-70 WEIGHT PERCENT STYRENE AND HAVING AN ACID NUMBER OF 15-25; C. 1-5 PERCENT OF AN AMINOPLAST; D. 0-20 PERCENT OF PIGMENT; E. 0-3 PERCENT OF WAX; F. 45-60 PERCENT OF WATER; AND G. 0-4 PERCENT OF C2 TO C8 ALCOHOL.
Claim 3
Dependent Claim
8 words
The composition of claim 1 containing a pigment.
Claim 4
Dependent Claim
11 words
The composition of claim 2, wherein said pigment is titanium dioxide.
Claim 5
Dependent Claim
28 words
The composition of claim 1 wherein said carboxyl modified styrene-butadiene latex is a terpolymer of methacrylic acid, styrene, and butadiene, and said aminoplast is a melamine formaldehyde resin.
Claim 6
Dependent Claim
8 words
The composition of claim 4 containing a pigment.
Claim 7
Dependent Claim
11 words
The composition of claim 5, wherein said pigment is titanium dioxide.
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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) | 1978-11-24 | 1979-05-26 | 1979-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-11-24 | 1983-05-26 | 1983-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-11-24 | 1987-05-26 | 1987-11-25 | $7700.00 | Window Closed / Lapsed |