US4393121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyester coil coating
Assignee: Valspar Corp
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Filing: 1981-11-23
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Granted: 1983-07-12
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Expires: 2001-11-23
Abstract
Abstract This invention provides a linear thermosettable polyester based upon 10-20 weight percent cyclohexanedimethanol, 10-16 weight percent adipic acid, 12-16 weight percent neopentyl glycol, 12-16 weight percent propylene glycol or butanediol, and 40-48 weight percent isophthalic acid component.
Inventors
- 👤 Michael A. Tobias
- 👤 Conrad L. Lynch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:29
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/42; H01B3/421; H01B3/422; C; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/16; C08G63/18; C09; C09D; C09D167/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31681
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
35 words
A linear thermosettable polyester resin based upon 10-20 weight percent cyclohexanedimethanol, 10-16 weight percent adipic acid, 12-16 weight percent neopentyl glycol, 12-16 weight percent propylene glycol or butanediol, and 40-48 weight percent isophthalic acid component.
Claim 2
Dependent Claim
35 words
A linear thermosettable polyester resin based upon 10-20 weight percent cyclohexanedimethanol, 10-16 weight percent adipic acid, 12-16 weight percent neopentyl glycol, 12-16 weight percent propylene glycol or butanediol, and 40-48 weight percent isophthalic acid component.
Claim 3
Dependent Claim
14 words
The polyester resin of claim 1, wherein said isophthalic acid component is isophthalic acid.
Claim 4
Dependent Claim
99 words
A coating composition comprising (A) a linear thermosettable polyester resin based upon 10-20 weight percent cyclohexanedimethanol, 10-16 weight percent adipic acid, 12-16 weight percent neopentyl glycol, 12-16 weight percent propylene glycol or butanediol, and 40-48 weight percent isophthalic acid component, (B) between about 10 weight percent and about 20 weight percent on resin solids of an aminoplast, (C) between about 0.1 and about 1 weight percent on resin solids of an acid catalyst, and (D) an inert organic solvent in an amount sufficient to provide a solids content of between about 50 weight percent and about 75 weight percent.
Claim 5
Dependent Claim
99 words
A coating composition comprising (A) a linear thermosettable polyester resin based upon 10-20 weight percent cyclohexanedimethanol, 10-16 weight percent adipic acid, 12-16 weight percent neopentyl glycol, 12-16 weight percent propylene glycol or butanediol, and 40-48 weight percent isophthalic acid component, (B) between about 10 weight percent and about 20 weight percent on resin solids of an aminoplast, (C) between about 0.1 and about 1 weight percent on resin solids of an acid catalyst, and (D) an inert organic solvent in an amount sufficient to provide a solids content of between about 50 weight percent and about 75 weight percent.
Claim 6
Dependent Claim
8 words
The composition of claim 3 containing a pigment.
Claim 7
Dependent Claim
11 words
The composition of claim 4, wherein said pigment is titanium dioxide.
Claim 8
Dependent Claim
102 words
A coating composition comprising (A) a linear thermosettable polyester resin based upon 10-20 weight percent cyclohexanedimethanol, 10-16 weight percent adipic acid, 12-16 weight percent neopentyl glycol, 12-16 weight percent propylene glycol or butanediol, and 40-48 weight percent isophthalic acid component, (B) between about 10 weight percent and about 20 weight percent on resin solids of an aminoplast which is hexamethoxymethylmelamine, (C) between about 0.1 and about 1 weight percent on resin solids of an acid catalyst, and (D) an inert organic solvent in an amount sufficient to provide a solids content of between about 50 weight percent and about 75 weight percent.
Claim 9
Dependent Claim
102 words
A coating composition comprising (A) a linear thermosettable polyester resin based upon 10-20 weight percent cyclohexanedimethanol, 10-16 weight percent adipic acid, 12-16 weight percent neopentyl glycol, 12-16 weight percent propylene glycol or butanediol, and 40-48 weight percent isophthalic acid component, (B) between about 10 weight percent and about 20 weight percent on resin solids of an aminoplast which is hexamethoxymethylmelamine, (C) between about 0.1 and about 1 weight percent on resin solids of an acid catalyst, and (D) an inert organic solvent in an amount sufficient to provide a solids content of between about 50 weight percent and about 75 weight percent.
Claim 10
Dependent Claim
13 words
A metal substrate coated with a coating composition of claim 3 and baked.
Claim 11
Dependent Claim
13 words
A metal substrate coated with a coating composition of claim 6 and baked.
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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) | 1986-07-11 | 1987-01-10 | 1987-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-07-11 | 1991-01-10 | 1991-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-07-11 | 1995-01-10 | 1995-07-12 | $7700.00 | Window Closed / Lapsed |