Patent US3086860A successfully refreshed from Google Patents.
US4129544A
Expired / Lapsed
US
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Aqueous acrylic coating composition for electrical conductors
Assignee: EIDP Inc
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Filing: 1977-08-24
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Granted: 1978-12-12
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Expires: 1997-08-24
Abstract
Abstract An aqueous coating composition for electrical conductors in which the film-forming constituents are (A) an acrylic polymer of acrylonitrile or methacrylonitrile, an alkyl acrylate such as butyl acrylate, methacrylic acid or acrylic acid, and an alkoxymethylacylamide such as N-(isobutoxymethyl) acrylamide, and (B) a phenol formaldehyde condensate; the composition is particularly useful for coating wires and other electrical conductors of aluminum, copper, aluminum alloys and the like.
Inventors
- 👤 John D. Craig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:47
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/44; H01B3/447; C; C09; C09D; C09D133/00; C09D133/04; C09D133/06; C09D133/08; C09D133/18; C09D133/20; C09D5/00; C09D5/44; C09D5/4407; C09D5/4411; C08; C08L; C08L61/00; C08L61/04; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/263; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294; Y10T428/31504; Y10T428/31678; Y10T428/31688; Y10T428/31692; Y10T428/31699
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
177 words
An aqueous coating composition having a solids content of about 5-50% of film forming constituents; wherein the film forming constituents consist essentially of about (A) 60-95% by weight of a dispersed acrylic polymer consisting essentially of about (1) 35-55% by weight, based on the weight of the acrylic polymer, of acrylonitrile or methacrylonitrile; (2) 15-58% by weight, based on the weight of the acrylic polymer, of an alkyl acrylate having 2-12 carbon atoms in the alkyl group; (3) 2-15% by weight, based on the weight of the acrylic polymer, of methacrylic acid or acrylic acid; and (4) 5-15% by weight, based on the weight of the acrylic polymer, of an (alkoxymethyl) acrylamide having 1-6 carbon atoms in the alkoxy group; wherein the acrylic polymer has a weight average molecular weight of at least 150,000; and (B) 5-40% by weight of a phenol formaldehyde condensate; having a weight average molecular weight of about 100-2000 measured by gel permeation chromatography; wherein the composition contains a sufficient amount of ammonia or an amine to provide a pH of about 7-9.5.
Claim 2
Dependent Claim
177 words
An aqueous coating composition having a solids content of about 5-50% of film forming constituents; wherein the film forming constituents consist essentially of about (A) 60-95% by weight of a dispersed acrylic polymer consisting essentially of about (1) 35-55% by weight, based on the weight of the acrylic polymer, of acrylonitrile or methacrylonitrile; (2) 15-58% by weight, based on the weight of the acrylic polymer, of an alkyl acrylate having 2-12 carbon atoms in the alkyl group; (3) 2-15% by weight, based on the weight of the acrylic polymer, of methacrylic acid or acrylic acid; and (4) 5-15% by weight, based on the weight of the acrylic polymer, of an (alkoxymethyl) acrylamide having 1-6 carbon atoms in the alkoxy group; wherein the acrylic polymer has a weight average molecular weight of at least 150,000; and (B) 5-40% by weight of a phenol formaldehyde condensate; having a weight average molecular weight of about 100-2000 measured by gel permeation chromatography; wherein the composition contains a sufficient amount of ammonia or an amine to provide a pH of about 7-9.5.
Claim 3
Dependent Claim
53 words
The coating composition of claim 1 in which the acrylic polymer consists essentially of about 40-50% by weight of acrylonitrile or methacrylonitrile, 35-42% by weight of an alkyl acrylate having 2-8 carbon atoms in the alkyl group 3-10% by weight of acrylic acid or methacrylic acid and 8-12% by weight of N-(butoxymethyl) acrylamide.
Claim 4
Dependent Claim
36 words
The coating composition of claim 2 in which the acrylic polymer consists essentially of about 45% by weight acrylonitrile, 40% by weight butyl acrylate, 5% by weight of methacrylic acid and 10% by weight N-(isobutoxymethyl) acrylamide.
Claim 5
Dependent Claim
107 words
The aqueous coating composition of claim 1 in which the film forming constituents consist essentially of about (A) 75-85% by weight of an acrylic polymer consisting essentially of about (1) 45% by weight of acrylonitrile, (2) 40% by weight of butylacrylate, (3) 5% by weight of methacrylic acid and (4) 10% by weight of N-(isobutoxymethyl) acrylamide wherein the acrylic polymer has a weight average molecular weight of about 300,000 to 3,000,000, (B) 15-25% by weight of phenol formaldehyde condensate having a weight average molecular weight of about 150-1000 measured by gel permeation chromatography; and wherein the composition contains sufficient ammonia to provide a pH of about 8.0-9.5.
Claim 6
Dependent Claim
34 words
The coating composition of claim 1 containing in addition to the film forming constituents about 0.5-5% by weight, based on the weight of the film-forming constituents of an alkylene glycol having 2-8 carbon atoms.
Claim 7
Dependent Claim
27 words
The coating composition of claim 1 containing in addition to the film-forming constituents about 0.5-5% by weight of a defoamer of a long chain fatty acid salt.
Claim 8
Dependent Claim
22 words
The coating composition of claim 1 containing in addition to the film-forming constituents about 1-10% by weight of a polyacrylic acid thickener.
Claim 9
Dependent Claim
168 words
An aqueous coating composition having a solids content of about 5-50% of film forming constituents; wherein the film forming constituents consist essentially of about (A) 60-95% by weight of a dispersed acrylic polymer consisting essentially of about (1) 25-35% by weight, based on the weight of the acrylic polymer, of acrylonitrile or methacrylonitrile; (2) 50-60% by weight, based on the weight of the acrylic polymer, of an alkyl acrylate having 2-12 carbon atoms in the alkyl group; (3) 2-10% by weight, based on the weight of the acrylic polymer, of methacrylic acid or acrylic acid; and (4) 5-15% by weight, based on the weight of the acrylic polymer, of N-(butoxymethyl) acrylamide wherein the acrylic polymer has a weight average molecular weight of at least 150,000; and (B) 5-40% by weight of a phenol formaldehyde condensate having a weight average molecular weight of about 100-2000 measured by gel permeation chromatography; wherein the composition contains a sufficient amount of ammonia or an amine to provide a pH of about 7-9.5.
Claim 10
Dependent Claim
168 words
An aqueous coating composition having a solids content of about 5-50% of film forming constituents; wherein the film forming constituents consist essentially of about (A) 60-95% by weight of a dispersed acrylic polymer consisting essentially of about (1) 25-35% by weight, based on the weight of the acrylic polymer, of acrylonitrile or methacrylonitrile; (2) 50-60% by weight, based on the weight of the acrylic polymer, of an alkyl acrylate having 2-12 carbon atoms in the alkyl group; (3) 2-10% by weight, based on the weight of the acrylic polymer, of methacrylic acid or acrylic acid; and (4) 5-15% by weight, based on the weight of the acrylic polymer, of N-(butoxymethyl) acrylamide wherein the acrylic polymer has a weight average molecular weight of at least 150,000; and (B) 5-40% by weight of a phenol formaldehyde condensate having a weight average molecular weight of about 100-2000 measured by gel permeation chromatography; wherein the composition contains a sufficient amount of ammonia or an amine to provide a pH of about 7-9.5.
Claim 11
Dependent Claim
36 words
The coating composition of claim 8 in which the acrylic polymer consists essentially of about 30% by weight acrylonitrile, 55% by weight butyl acrylate, 5% by weight of methacrylic acid and 10% by weight N-(isobutoxymethyl) acrylamide.
Claim 12
Dependent Claim
108 words
The aqueous coating composition of claim 9 in which the film forming constituents consist essentially of about (A) 75-85% by weight of an acrylic polymer consisting essentially of about (1) 30% by weight of acrylonitrile, (2) 55% by weight of butyl acrylate, (3) 5% by weight of methacrylic acid and (4) 10% by weight of N-(isobutoxymethyl) acrylamide wherein the acrylic polymer has a weight average molecular weight of about 300,000 to 3,000,000, (B) 15-25% by weight of phenol formaldehyde condensate having a weight average molecular weight of about 150-1000 measured by gel permeation chromatography; and wherein the composition contains sufficient ammonia to provide a pH of about 8.0-9.5.
Claim 13
Dependent Claim
144 words
An aqueous coating composition having a solids content of about 5-50% of film forming constituents which consist essentially of a dispersed acrylic polymer consisting essentially of about (1) 35-55% by weight, based on the weight of the acrylic polymer, of acrylonitrile or methacrylonitrile; (2) 15-58% by weight, based on the weight of the acrylic polymer, of an alkyl acrylate having 2-12 carbon atoms in the alkyl group; (3) 2-15% by weight, based on the weight of the acrylic polymer, of methacrylic acid or acrylic acid; and (4) 5-15% by weight, based on the weight of the acrylic polymer of an (alkoxymethyl) acrylamide having 1-6 carbon atoms in the alkoxy group; wherein the acrylic polymer has a weight average molecular weight of at least 150,000; and wherein the composition contains a sufficient amount of ammonia or an amine to provide a pH of about 7-9.5.
Claim 14
Dependent Claim
144 words
An aqueous coating composition having a solids content of about 5-50% of film forming constituents which consist essentially of a dispersed acrylic polymer consisting essentially of about (1) 35-55% by weight, based on the weight of the acrylic polymer, of acrylonitrile or methacrylonitrile; (2) 15-58% by weight, based on the weight of the acrylic polymer, of an alkyl acrylate having 2-12 carbon atoms in the alkyl group; (3) 2-15% by weight, based on the weight of the acrylic polymer, of methacrylic acid or acrylic acid; and (4) 5-15% by weight, based on the weight of the acrylic polymer of an (alkoxymethyl) acrylamide having 1-6 carbon atoms in the alkoxy group; wherein the acrylic polymer has a weight average molecular weight of at least 150,000; and wherein the composition contains a sufficient amount of ammonia or an amine to provide a pH of about 7-9.5.
Claim 15
Dependent Claim
53 words
The coating composition of claim 11 in which the acrylic polymer consists essentially of about 40-50% by weight of acrylonitrile or methacrylonitrile, 35-42% by weight of an alkyl acrylate having 2-8 carbon atoms in the alkyl group, 3-10% by weight of acrylic acid or methacrylic acid and 8-12% by weight of N-(butoxymethyl) acrylamide.
Claim 16
Dependent Claim
36 words
The coating composition of claim 12 in which the acrylic polymer consists essentially of about 45% by weight acrylonitrile, 40% by weight butyl acrylate, 5% by weight of methacrylic acid and 10% by weight N-(isobutoxymethyl) acrylamide.
Claim 17
Dependent Claim
134 words
An aqueous coating composition having a solids content of about 5-50% of film-forming constitutents which consist essentially of a dispersed acrylic polymer consisting essentially of about (1) 25-35% by weight, based on the weight of the acrylic polymer, of acrylonitrile or methacrylonitrile; (2) 50-60% by weight, based on the weight of the acrylic polymer, of an alkyl acrylate having 2-12 carbon atoms in the alkyl group; (3) 2-10% by weight, based on the weight of the acrylic polymer, of methacrylic acid or acrylic acid; and (4) 5-15% by weight, based on the weight of the acrylic polymer, of N-(butoxymethyl) acrylamide; wherein the acrylic polymer has a weight average molecular weight of at least 150,000; and wherein the composition contains a sufficient amount of ammonia or an amine to provide a pH of about 7-9.5.
Claim 18
Dependent Claim
134 words
An aqueous coating composition having a solids content of about 5-50% of film-forming constitutents which consist essentially of a dispersed acrylic polymer consisting essentially of about (1) 25-35% by weight, based on the weight of the acrylic polymer, of acrylonitrile or methacrylonitrile; (2) 50-60% by weight, based on the weight of the acrylic polymer, of an alkyl acrylate having 2-12 carbon atoms in the alkyl group; (3) 2-10% by weight, based on the weight of the acrylic polymer, of methacrylic acid or acrylic acid; and (4) 5-15% by weight, based on the weight of the acrylic polymer, of N-(butoxymethyl) acrylamide; wherein the acrylic polymer has a weight average molecular weight of at least 150,000; and wherein the composition contains a sufficient amount of ammonia or an amine to provide a pH of about 7-9.5.
Claim 19
Dependent Claim
36 words
The coating composition of claim 14 in which the acrylic polymer consists essentially of about 30% by weight acrylonitrile, 55% by weight butyl acrylate, 5% by weight of methacrylic acid and 10% by weight N-(isobutoxymethyl) acrylamide.
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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) | 1981-12-11 | 1982-06-12 | 1982-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-12-11 | 1986-06-12 | 1986-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-12-11 | 1990-06-12 | 1990-12-12 | $7700.00 | Window Closed / Lapsed |