US4289677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Formulation for producing low infrared coating in the 2-15 micron range
Assignee: Individual
•
Filing: 1979-09-10
•
Granted: 1981-09-15
•
Expires: 1999-09-10
Abstract
Abstract A low infrared emitting coating for use on metal surfaces and compatible with both organic and inorganic binders. The coating is of a color corresponding to the standard Navy haze-gray color and exhibits an infrared reflectance in excess of the standard Navy haze paint.
Inventors
- 👤 Robert F. Supcoe
- 👤 Melvin Greenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:32
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/30; Y; Y10; Y10S; Y10S428/00; Y10S428/919; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2991; Y10T428/2993; Y10T428/2995; Y10T428/2998
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
67 words
A diffuse gray coating mixture having a low infrared emittance and comprising by weight: from about 10% to about 22% coarse non-leafing aluminum powder; from about 2% to about 15% cobalt metal; from about 2% to about 5% cobalt oxide; from about 7% to about 20% titanium dioxide; from about 65% to about 75% silicone alkyd resin and from about 1% to about 4% polarized montmorrilite clay.
Claim 2
Dependent Claim
67 words
A diffuse gray coating mixture having a low infrared emittance and comprising by weight: from about 10% to about 22% coarse non-leafing aluminum powder; from about 2% to about 15% cobalt metal; from about 2% to about 5% cobalt oxide; from about 7% to about 20% titanium dioxide; from about 65% to about 75% silicone alkyd resin and from about 1% to about 4% polarized montmorrilite clay.
Claim 3
Dependent Claim
17 words
The coating mixture of claim 1, wherein said coating mixture is thinned with a mineral spirits thinner.
Claim 4
Dependent Claim
23 words
The coating mixture of claim 1, wherein the particles of said coating mixture have a particle fineness of less than 6 Hegman scale.
Claim 5
Dependent Claim
95 words
A diffuse gray coating mixture having a low infrared emittance and comprising by weight: from about 10% to about 22% non-leafing aluminum powder; from about 2% to about 15% cobalt metal; from about 2% to about 5% cobalt oxide; from about 7% to about 20% titanium dioxide; from about 65% to about 75% silicone alkyd resin and from about 1% to about 4% dispersing agent for suspending the pigment materials of aluminum powder, cobalt metal, cobalt oxide and titanium dioxide in the silicone alkyd resin and preventing said pigment materials from settling out of suspension.
Claim 6
Dependent Claim
95 words
A diffuse gray coating mixture having a low infrared emittance and comprising by weight: from about 10% to about 22% non-leafing aluminum powder; from about 2% to about 15% cobalt metal; from about 2% to about 5% cobalt oxide; from about 7% to about 20% titanium dioxide; from about 65% to about 75% silicone alkyd resin and from about 1% to about 4% dispersing agent for suspending the pigment materials of aluminum powder, cobalt metal, cobalt oxide and titanium dioxide in the silicone alkyd resin and preventing said pigment materials from settling out of suspension.
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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) | 1984-09-14 | 1985-03-16 | 1985-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-09-14 | 1989-03-16 | 1989-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-09-14 | 1993-03-16 | 1993-09-15 | $7700.00 | Window Closed / Lapsed |