US4292347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pyrolytic coating reactant for defect and durability control
Assignee: PPG Industries Inc
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Filing: 1979-12-03
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Granted: 1981-09-29
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Expires: 1999-12-03
Abstract
Abstract A mixture of carboxylate and diketonate coating reactants is disclosed to form a metal oxide film with essentially the same reflectance and transmittance properties as a metal oxide film formed from diketonate coating reactants alone, while providing improvement in the control of defects in the film.
Inventors
- 👤 Harold E. Donley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:39
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/22; C03C17/23; C03C17/25; C03C2217/00; C03C2217/20; C03C2217/21; C03C2217/217; C03C2217/219; C03C2217/229; C03C2217/23; C03C2218/00; C03C2218/10; C03C2218/11; C03C2218/112
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
86 words
A method for coating glass with a durable metal oxide film which comprises contacting the glass at a temperature sufficient to thermally decompose metal diketonates and carboxylates to the corresponding metal oxides with a composition comprising in combination: a. a metal diketonate capable of thermal decomposition to the oxide of said metal; and b. a metal carboxylate capable of thermal decomposition to the oxide of said metal wherein said metals are independently selected from the group consisting of a single metal and a mixture of metals.
Claim 2
Independent Claim
86 words
A method for coating glass with a durable metal oxide film which comprises contacting the glass at a temperature sufficient to thermally decompose metal diketonates and carboxylates to the corresponding metal oxides with a composition comprising in combination: a. a metal diketonate capable of thermal decomposition to the oxide of said metal; and b. a metal carboxylate capable of thermal decomposition to the oxide of said metal wherein said metals are independently selected from the group consisting of a single metal and a mixture of metals.
Claim 3
Dependent Claim
26 words
The method according to claim 1, wherein said metals are independently selected from the group consisting of metals having an atomic number from 22 to 92.
Claim 4
Dependent Claim
18 words
The method according to claim 2 wherein the composition further comprises a solvent for said diketonate and carboxylate.
Claim 5
Dependent Claim
32 words
The method according to claim 3, wherein the metals are independently selected from the group consisting of titanium, vanadium, chromium, manganese, iron, cobalt, nickel, copper, silver, indium, tin, antimony and mixtures thereof.
Claim 6
Dependent Claim
12 words
The method according to claim 4 wherein the diketonate is an acetylacetonate.
Claim 7
Dependent Claim
15 words
The method according to claim 4 wherein the carboxylate comprises a quaternary alpha carbon atom.
Claim 8
Dependent Claim
12 words
The method according to claim 6 wherein the carboxylate is a neodecanoate.
Claim 9
Dependent Claim
19 words
The method according to claim 3 wherein the solvent comprises a halocarbon containing from 1 to 4 carbon atoms.
Claim 10
Dependent Claim
44 words
The method according to claim 8 wherein the solvent comprises a mixture of halocarbons at least one of which has 1 or 2 carbon atoms and at least as many halogen atoms, selected from the group consisting of chlorine and bromine, as carbon atoms.
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) | 1984-09-28 | 1985-03-30 | 1985-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-09-28 | 1989-03-30 | 1989-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-09-28 | 1993-03-30 | 1993-09-29 | $7700.00 | Window Closed / Lapsed |