Patent US5313112A successfully refreshed from Google Patents.
Patent US3647516A successfully refreshed from Google Patents.
US3647516A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-dried polyester coating and application
Assignee: KENNETH N EDWARDS
•
Filing: 1969-10-27
•
Granted: 1972-03-07
•
Expires: 1989-10-27
Abstract
Abstract An air-dried polyester coating which is adapted to be applied in successive layers with a very short time interval between applications and which cures to a sandable hardness very rapidly. The polyester is an air-drying resin, and it is cross-linked with bromo- or chlorostyrene monomer.
Inventors
- 👤 Kenneth N Edwards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:19
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/06; B05D7/08; C; C08; C08F; C08F283/00; C08F283/01; B05D3/00; B05D3/12; B05D7/50; B05D7/56; B05D7/57; B05D7/574; B05D7/58; B05D7/584; Y; Y10; Y10T; Y10T428/00; Y10T428/26
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
50 words
A method of claim 1 wherein the applied film is allowed to cure at a temperature of less than about 100* F. and a second initiated admixture is applied to the surface of the first film within about 30 minutes after the first film is applied to the solid substrate.
Claim 2
Dependent Claim
45 words
A method of claim 1 wherein the applied film is allowed to cure at a temperature of less than about 100* F. and the surface of the applied film is mechanically abraded about 2 hours after the point in time when the film was applied.
Claim 3
Dependent Claim
15 words
A method of claim 1 wherein the monohalostyrene is monochlorostyrene and the substrate is wood.
Claim 4
Dependent Claim
54 words
An article comprising a cured in situ abradable, dense polyester coating adhered to a substrate, said coating comprising an inherently nonair-inhibited unsaturated polyester cross-linked with a monohalostyrene, the halogen in said monohalostyrene having an atomic weight below 80 and about 34, said coating having a thickness of from about 0.1 mil to one-fourth inch.
Claim 5
Dependent Claim
10 words
A coating of claim 5 wherein said monohalostyrene is monochlorostyrene.
Claim 6
Dependent Claim
10 words
A coating of claim 5 wherein said monohalostyrene is monobromostyrene.
Claim 7
Dependent Claim
10 words
A coating of claim 5 wherein said substrate is wood.
Claim 8
Dependent Claim
9 words
A coating of claim 5 including a coloring agent.
References Cited (Backward Citations)
US2537018A
Cited
US2967174A
Cited
US3029159A
Cited
US3240619A
Cited
US3275710A
Cited
US3498828A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-03-07 | 1975-09-06 | 1976-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-07 | 1979-09-06 | 1980-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-07 | 1983-09-06 | 1984-03-07 | $7700.00 | Window Closed / Lapsed |