Patent US4946744A successfully refreshed from Google Patents.
US4946744A
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Substrate coated with a clearcoat/basecoat composition comprising an anhydride-functional compound and an hydroxy-functional compound
Assignee: SHERWIN-WILLIAMS COMPANY CLEVELAND OHIO A CORP OF OHIO
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Filing: 1987-11-16
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Granted: 1990-08-07
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Expires: 2007-11-16
Abstract
Abstract A substrate coated with a multi-layer decorative and/or protective coating which comprises: (a) a basecoat comprising a pigmented film-forming polymer; and (b) a transparent clearcoat comprising a film-forming polymer applied to the surface of the basecoat composition; the improvement which comprises utilizing as the clearcoat a multicomponent curable composition which is reactive upon mixing of the components, wherein the curable composition comprises: (i) an anhydride-functional compound having an average of at least two cyclic carboxylic acid anhydride groups per molecule; and (ii) a hydroxy-functional compound havng an average of at least two hydroxyl groups per molecule; wherein at least one of the compounds (i) or (ii) comprises a film forming polymer.
Inventors
- 👤 Mohamad D. Shalati
- 👤 James A. Marquart
- 👤 John R. Babjak
- 👤 Rodney M. Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:59
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/50; B05D7/52; B05D7/53; B05D7/538; B05D7/5383; C; C08; C08K; C08K5/00; C08K5/04; C08K5/15; C08K5/151; C08K5/1535; C08K5/1539; C09; C09D; C09D133/00; C09D133/04; C09D133/06; C09D133/062; C09D133/066; C09D201/00; C09D201/02; C09D201/06; C08L; C08L33/00; C08L33/04; C08L33/06; C08L33/062; C08L33/064; C08L73/00; C08L73/02; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31529; Y10T428/31551; Y10T428/31591; Y10T428/31598; Y10T428/31601; Y10T428/31605; Y10T428/31678; Y10T428/31692; Y10T428/31696; Y10T428/31699; Y10T428/31855; Y10T428/31935
Claims Analysis
Total Claims: 30
Claim 1
Independent Claim
115 words
In a substrate coated with a multi-layer decorative and/or protective coating which comprises: (a) a basecoat comprising a pigmented film-forming polymer; and (b) a transparent clearcoat comprising a film-forming polymer applied to the surface of the basecoat composition; the improvement which comprises utilizing as the clearcoat and/or the basecoat a multicomponent curable composition which is reactive upon mixing of the components, wherein the curable composition comprises: (i) an anhydride-functional compound having an average of at least two cyclic carboxylic acid anhydride groups per molecule; and (ii) a hydroxy-functional compound having an average of at least two- hydroxyl groups per molecule; wherein at least one of the compounds (i) or (ii) comprises a film forming polymer.
Claim 2
Dependent Claim
115 words
In a substrate coated with a multi-layer decorative and/or protective coating which comprises: (a) a basecoat comprising a pigmented film-forming polymer; and (b) a transparent clearcoat comprising a film-forming polymer applied to the surface of the basecoat composition; the improvement which comprises utilizing as the clearcoat and/or the basecoat a multicomponent curable composition which is reactive upon mixing of the components, wherein the curable composition comprises: (i) an anhydride-functional compound having an average of at least two cyclic carboxylic acid anhydride groups per molecule; and (ii) a hydroxy-functional compound having an average of at least two- hydroxyl groups per molecule; wherein at least one of the compounds (i) or (ii) comprises a film forming polymer.
Claim 3
Dependent Claim
26 words
The coated substrate of claim 1 wherein the anhydride-functional compound is an anhydride functional polymer having a number average molecular weight of at least about 500.
Claim 4
Dependent Claim
25 words
The coated substrate of claim 2 wherein the anhydride-functional polymer is the addition polymerization reaction product of at least one unsaturated monomer having anhydride functionality.
Claim 5
Dependent Claim
49 words
The coated substrate of claim 3 wherein the anhydride-functional polymer is the addition polymerization reaction product of (a) 4 to 40 weight percent of an ethylenically unsaturated monoanhydride and (b) 60 to 95 weight percent of at least one other ehtylenically unsaturated monomer copolymerizable with the ethylenically unsaturated anhydride.
Claim 6
Dependent Claim
12 words
The coated substrate of claim 4 wherein the monoanhydride is maleic anhydride.
Claim 7
Dependent Claim
16 words
The coated substrate of claim 2 wherein the anhydride-functional polymer is free of carboxylic acid groups.
Claim 8
Dependent Claim
15 words
The coated substrate of claim 2 wherein the anhydride-functional polymer contains free carboxylic acid groups.
Claim 9
Dependent Claim
78 words
The coated substrate of claim 4 wherein the anhydride-functional polymer is the addition polymerization reaction product of (a) 5 to about 40 weight percent of an ethylenically unsaturated monoanhydride monomer; and (b) 1 to about 15 weight percent of an ethylenically unsaturated carboxylic acid monomer copolymerizable with the ethylenically unsaturated monoanhydride; and (c) 45 to about 94 weight percent of at least one ethylenically unsaturated monomer which is copolymerizable with the ethylenically unsaturated monoanhydride and ethylenically unsaturated acid.
Claim 10
Dependent Claim
25 words
The coated substrate of claim 1 wherein the hydroxy-functional compound is a hydroxy-functional polymer having a number average molecular weight of at least about 400.
Claim 11
Dependent Claim
25 words
The coated substrate of claim 9 wherein the hydroxy-functional polymer is selected from the group consisting of hydroxy-functional polyethers, polyesters, acrylic polymers, polyurethanes, and polycaprolactones.
Claim 12
Dependent Claim
50 words
The coated substrate of claim 10 wherein the hydroxy-functional polymer is the addition polymerization reaction product of (a) 10 to about 40 weight percent of a hydroxy-functional ethylenically unsaturated monomer and (b) 60 to about 90 weight percent of at least one ethylenically unsaturated monomer copolymerizable with the hydroxy-functional monomer.
Claim 13
Dependent Claim
22 words
The coated substrate of claim 1 wherein the curable composition also incorporates a catalyst for the reaction of anhydride and hydroxyl groups.
Claim 14
Dependent Claim
13 words
The coated substrate of claim 12 wherein the catalyst is a tertiary amine.
Claim 15
Dependent Claim
12 words
The coated substrate of claim 13 wherein the tertiary amine is N-methylimidazole.
Claim 16
Dependent Claim
28 words
The coated substrate of claim 1 wherein compounds (i) and (ii) are each present at a level to provide 0.3 to 10 hydroxy lgroups for each anhydride group.
Claim 17
Dependent Claim
28 words
The coated substrate of claim 15 wherein compounds (i) and (ii) are each present at a level to provide 1 to 5 hydroxy lgroups for each anhydride group.
Claim 18
Dependent Claim
156 words
In a substrate coated with a multi-layer decorative and/or protective coating which comprises: (a) a basecoat comprising a pigmented film-fomring polymer; and (b) a transparent clearcoat comprising a film-forming polymer applied to the surface of the basecoat composition; the improvement which comprises utilizing as the clearcoat and/or the basecoat a multicomponent curable composition which is reactive upon mixing of the components, wherein the curable composition comprises: (i) an anhydride-functional polymer which is the addition polymerization reaction product of (a) 5 to 40 weight percent of an ethylenically unsaturated monoanhydride and (b) 60 to 95 weight percent of at least one other ethylenically unsaturated monomer copolymerizable with the ethylenically unsaturated anhydride; and (ii) a hydroxy-functional polymer which is the addition polymerization reaction product of (a) 10 to about 40 weight percent of a hydoxy-functional ethylenically unsaturated monomer and (b) 60 to about 90 weight percent of at least one ethylenically unsaturated monomer copolymerizable with the hydroxy-functional monomer.
Claim 19
Dependent Claim
156 words
In a substrate coated with a multi-layer decorative and/or protective coating which comprises: (a) a basecoat comprising a pigmented film-fomring polymer; and (b) a transparent clearcoat comprising a film-forming polymer applied to the surface of the basecoat composition; the improvement which comprises utilizing as the clearcoat and/or the basecoat a multicomponent curable composition which is reactive upon mixing of the components, wherein the curable composition comprises: (i) an anhydride-functional polymer which is the addition polymerization reaction product of (a) 5 to 40 weight percent of an ethylenically unsaturated monoanhydride and (b) 60 to 95 weight percent of at least one other ethylenically unsaturated monomer copolymerizable with the ethylenically unsaturated anhydride; and (ii) a hydroxy-functional polymer which is the addition polymerization reaction product of (a) 10 to about 40 weight percent of a hydoxy-functional ethylenically unsaturated monomer and (b) 60 to about 90 weight percent of at least one ethylenically unsaturated monomer copolymerizable with the hydroxy-functional monomer.
Claim 20
Dependent Claim
78 words
The coated substrate of claim 17 wherein the anhydride-functional polymer is the addition polymerization reaction product of (a) 5 to about 40 weight percent of an ethylenically unsaturated monoanhydride monomer; and (b) 1 to about 15 weight percent of an ethylenically unsaturated carboxylic acid monomer copolymerizable with the ethylenically unsaturated monoanhydride; and (c) 45 to about 94 weight percent of at least one ethylenically unsaturated monomer which is copolymerizable with the ethylenically unsaturated monoanhydride and ethylenically unsaturated acid.
Claim 21
Dependent Claim
21 words
The coated substrate of claim 17 wherein the anhydride-functional polymer has a number average molecular weight of at least about 500.
Claim 22
Dependent Claim
12 words
The coated substrate of claim 17 wherien the monoanhydride is maleic anhydride.
Claim 23
Dependent Claim
16 words
The coated substrate of claim 17 wherein the anhydride-functional polymer is free of carboxylic acid groups.
Claim 24
Dependent Claim
15 words
The coated substrate of claim 17 wherein the anhydride-functional polymer contains free carboxylic acid groups.
Claim 25
Dependent Claim
21 words
The coated substrate of claim 17 wherein the hydroxy-functional polymer has a number average molecular weight of at least about 400.
Claim 26
Dependent Claim
22 words
The coated substrate of claim 17 wherein the curable composition also incorporates a catalyst for the reaction of anhydride and hydroxyl groups.
Claim 27
Dependent Claim
13 words
The coated substrate of claim 24 wherein the catalyst is a tertiary amine.
Claim 28
Dependent Claim
12 words
The coated substrate of claim 25 wherein the tertiary amine is N-methylimidazole.
Claim 29
Dependent Claim
28 words
The coated substrate of claim 17 wherein compounds (i) and (ii) are each present at a level to provide 0.3 to 10 hydroxyl groups for each anhydride group.
Claim 30
Dependent Claim
28 words
The coated substrate of claim 27 wherein compounds (i) and (ii) are each present at a level to provide 1 to 5 hydroxyl groups for each anhydride group.
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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) | 1993-08-06 | 1994-02-05 | 1994-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-08-06 | 1998-02-05 | 1998-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-08-06 | 2002-02-05 | 2002-08-07 | $7700.00 | Window Closed / Lapsed |