Patent US3950592A successfully refreshed from Google Patents.
US3950592A
Expired / Lapsed
US
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Method of coating a metal substrate and the coated substrate
Assignee: PPG Industries Inc
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Filing: 1973-09-14
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Granted: 1976-04-13
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Expires: 1993-09-14
Abstract
Abstract A composition comprising a vinyl resin and a mixture of acrylic compounds each having the formula: ##SPC1## Wherein n is from 0 to 10, or a mixture of acrylic compounds each having the formula: ##SPC2## Wherein n is from 0 to 10, may be coated on to a metal substrate and subjected to ionizing irradiation and used as a primer coating for numerous radiation-sensitive topcoats.
Inventors
- 👤 Ernest A. Hahn
- 👤 Robert J. Sirkoch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:53
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/50; B05D7/52; B05D7/54; B05D7/546; B05D3/00; B05D3/06; B05D3/068; C; C09; C09D; C09D127/00; C09D127/02; C09D127/04; C09D127/06; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31692; Y10T428/31699
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
189 words
A coated substrate comprising: a. a metal base; b. a layer of a primer composition comprising 1. from about 4 percent to about 70 percent by weight of a mixture of acrylic compounds wherein a. each of said acrylic compounds has the formula ##SPC7## wherein n is from 0 to 10 and the six member ring is aliphatic or aromatic, b. said mixture contains said acrylic compounds having said formula wherein n is 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10, 2. from about 30 percent to about 96 percent by weight of a copolymer of a. from about 50 percent to about 95 percent by weight of a vinyl halide, and b. from about 2 percent to about 45 percent by weight of a vinyl ester of an aliphatic monocarboxylic acid, which layer has been adhered to said metal substrate and rendered compatible to a radiation curable coating material by exposure to ionizing irradiation; and c. a topcoating of a radiation curable material which is adjacent to said layer of said irradiated primer composition and which has been cured by exposure to ionizing irradiation.
Claim 2
Dependent Claim
189 words
A coated substrate comprising: a. a metal base; b. a layer of a primer composition comprising 1. from about 4 percent to about 70 percent by weight of a mixture of acrylic compounds wherein a. each of said acrylic compounds has the formula ##SPC7## wherein n is from 0 to 10 and the six member ring is aliphatic or aromatic, b. said mixture contains said acrylic compounds having said formula wherein n is 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10, 2. from about 30 percent to about 96 percent by weight of a copolymer of a. from about 50 percent to about 95 percent by weight of a vinyl halide, and b. from about 2 percent to about 45 percent by weight of a vinyl ester of an aliphatic monocarboxylic acid, which layer has been adhered to said metal substrate and rendered compatible to a radiation curable coating material by exposure to ionizing irradiation; and c. a topcoating of a radiation curable material which is adjacent to said layer of said irradiated primer composition and which has been cured by exposure to ionizing irradiation.
Claim 3
Dependent Claim
13 words
The coated substrate of claim 1 wherein the six member ring is aliphatic.
Claim 4
Independent Claim
85 words
A method of coating a substrate comprising a. coating a metal substrate with a primer composition comprising 1. from about 4 percent to about 70 percent by weight of a mixture of acrylic compounds wherein a. each of said acrylic compounds has the formula ##SPC8## wherein n is from 0 to 10 and the six member ring is aliphatic or aromatic, b. said mixture contains said acrylic compounds having said formula n is 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10,
Claim 5
Independent Claim
85 words
A method of coating a substrate comprising a. coating a metal substrate with a primer composition comprising 1. from about 4 percent to about 70 percent by weight of a mixture of acrylic compounds wherein a. each of said acrylic compounds has the formula ##SPC8## wherein n is from 0 to 10 and the six member ring is aliphatic or aromatic, b. said mixture contains said acrylic compounds having said formula n is 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10,
Claim 6
Dependent Claim
109 words
from about 30 percent to about 96 percent by weight of a copolymer of a. from about 50 percent to about 95 percent by weight of a vinyl halide, and b. from about 2 percent to about 45 percent by weight of a vinyl ester of an aliphatic monocarboxylic acid, b. subjecting said coated metal substrate to ionizing irradiation to adhere said primer composition to said metal substrate and to provide compatibility to a radiation curable coating material; c. applying to said irradiated primer composition a topcoating of a radiation curable material; and d. subjecting said coated metal substrate to ionizing irradiation to cure said topcoated radiation curable material.
Claim 7
Dependent Claim
109 words
from about 30 percent to about 96 percent by weight of a copolymer of a. from about 50 percent to about 95 percent by weight of a vinyl halide, and b. from about 2 percent to about 45 percent by weight of a vinyl ester of an aliphatic monocarboxylic acid, b. subjecting said coated metal substrate to ionizing irradiation to adhere said primer composition to said metal substrate and to provide compatibility to a radiation curable coating material; c. applying to said irradiated primer composition a topcoating of a radiation curable material; and d. subjecting said coated metal substrate to ionizing irradiation to cure said topcoated radiation curable material.
Claim 8
Dependent Claim
50 words
The method of claim 3 wherein the primer layer is subjected to a total dosage of from about 0.1 megarad to about 6 megarads prior to the topcoating and the base, primer coat, and topcoat are subjected to a total dosage of from about 0.2 megarad to about 20 megarads.
Claim 9
Dependent Claim
55 words
The method of claim 3 wherein the primer composition is applied to the metal substrate by heating said primer composition to a temperature of from about 200°F. to about 290°F. so that the composition is melted and applying said heated composition to the metal substrate and cooling until the primer composition is no longer flowable.
Claim 10
Dependent Claim
36 words
The method of claim 3 wherein the primer composition is applied to the metal substrate by reducing the composition to about 25 percent solids with a solvent for said composition and subsequently driving off said solvent.
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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) | 1979-04-13 | 1979-10-13 | 1980-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-04-13 | 1983-10-13 | 1984-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-04-13 | 1987-10-13 | 1988-04-13 | $7700.00 | Window Closed / Lapsed |