US4847158A
Expired / Lapsed
US
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Low reflectance bronze coating
Assignee: PPG Industries Ohio Inc
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Filing: 1987-05-15
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Granted: 1989-07-11
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Expires: 2007-05-15
Abstract
Abstract A transparent article for reflecting solar energy comprising a metal alloy oxide film which exhibits color and a low reflectance metal alloy film is disclosed along with a sputtering method for its production.
Inventors
- 👤 Frank H. Gillery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:10
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/22; C03C17/23; C03C17/34; C03C17/36; C03C17/3602; C03C17/3607; C03C17/3649; C03C17/3657; C03C17/366; C03C17/3681; C23; C23C; C23C14/00; C23C14/0015; C23C14/06; C23C14/08; C23C14/083; C23C14/085; C23C14/14; C23C14/18; G; G02; G02B; G02B5/00; G02B5/20; G02B5/208
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
67 words
An article of manufacture for the reflectance of solar energy comprising: a. a transparent substrate; b. a transparent film of a metal alloy oxide at a thickness which exhibits color deposited on a surface of said substrate; and c. a neutral low reflectance transparent metal alloy film deposited on said metal oxide film said films in combination providing a coated article with low transmittance and low reflectance.
Claim 2
Dependent Claim
67 words
An article of manufacture for the reflectance of solar energy comprising: a. a transparent substrate; b. a transparent film of a metal alloy oxide at a thickness which exhibits color deposited on a surface of said substrate; and c. a neutral low reflectance transparent metal alloy film deposited on said metal oxide film said films in combination providing a coated article with low transmittance and low reflectance.
Claim 3
Dependent Claim
13 words
An article of manufacture according to claim 1, wherein the substrate is glass.
Claim 4
Dependent Claim
30 words
An article of manufacture according to claim 2, wherein the low reflectance metal alloy film comprises an alloy of a metal selected from the group consisting of nickel and chromium.
Claim 5
Dependent Claim
42 words
An article of manufacture for the reflectance of solar energy comprisng: a. a transparent substrate; b. a transparent film of an iron alloy oxide at a thickness which exhibits color; and c. a transparent, low reflectance, neutral low transmittance nickel alloy film.
Claim 6
Dependent Claim
42 words
An article of manufacture for the reflectance of solar energy comprisng: a. a transparent substrate; b. a transparent film of an iron alloy oxide at a thickness which exhibits color; and c. a transparent, low reflectance, neutral low transmittance nickel alloy film.
Claim 7
Dependent Claim
15 words
An article according to claim 4, wherein said nickel alloy comprises nickel, chromium, and iron.
Claim 8
Dependent Claim
16 words
An article according to claim 4, wherein said iron alloy oxide film comprises stainless steel oxide.
Claim 9
Dependent Claim
16 words
An article according to claim 6, wherein the stainless steel comprises iron, chromium, nickel and molybdenum.
Claim 10
Dependent Claim
19 words
An article according to claim 7, wherein said article exhibits a bronze color in reflectance from the glass surface.
Claim 11
Dependent Claim
21 words
An article according to claim 1, wherein said transparent films of metal alloy oxide and low reflectance metal are sputtered films.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-07-10 | 1993-01-09 | 1993-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-07-10 | 1997-01-09 | 1997-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-07-10 | 2001-01-09 | 2001-07-11 | $7700.00 | Window Closed / Lapsed |