# US 12,110,592 B2 · Generating metal-oxide film

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- Number: US 12,110,592 B2
- Document ID: US12110592B2
- Status: Granted
- Kind: B2
- Application number: 17/024,870
- Filed: 2020-09-18
- Published: 2022-03-24
- Granted: 2024-10-08
- Earliest claimed: 2020-09-18
- Assignees: International Business Machines Corporation
- Applicants: International Business Machines Corporation
- Inventors: Wyatt Thornley; Linda Karin Sundberg; Krystelle Lionti; Daniel Paul Sanders
- Web page: https://patentgrep.com/patent/US12110592B2

## CPC

- C23C 18/1216: {Metal oxides (C23C18/1212 takes precedence)}
- C09D 1/00: Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
- C09D 7/20: Diluents or solvents
- C23C: COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL (making metal-coated products by extrusion B21C23/22; covering with metal by connecting pre-existing layers to articles, see the relevant places, e.g. B21D39/00, B23K; metallising of glass C03C; metallising mortars, concrete, artificial stone, ceramics or natural stone C04B41/00; enamelling of, or applying a vitreous layer to, metals C23D; treating metal surfaces or coating of metals by electrolysis or electrophoresis C25D; single-crystal film growth C30B; by metallising textiles D06M11/83; decorating textiles by locally metallising D06Q1/04)
- C09D: COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR (cosmetics A61K; processes for applying liquids or other fluent materials to surfaces, in general, B05D; staining wood B27K5/02; glazes or vitreous enamels C03C; natural resins, French polish, drying-oils, driers, turpentine, per se, C09F; polishing compositions other than French polish, ski waxes C09G; adhesives or use of materials as adhesives C09J; materials for sealing or packing joints or covers C09K3/10; materials for stopping leaks C09K3/12; processes for the electrolytic or electrophoretic production of coatings C25D)

## Abstract

Embodiments are disclosed for a method for generating a metal-oxide film. The method includes providing a metal ligand complex having a metal and a reactive moiety. The metal ligand complex is dissolved in a solvent that coats at least part of a substrate. Additionally, the method includes inducing a combustion process involving the metal ligand complex, in the absence of any additional fuel, to generate a film that is formed over at least part of the substrate. The film includes an oxide of the metal.

## Claims

### Claim 1

A method comprising:
providing a metal ligand complex comprising a metal, oxygen, and a reactive moiety, wherein the metal ligand complex is dissolved in a solvent that coats at least part of a substrate; and
inducing a combustion process, wherein the metal ligand complex provides the oxygen to fuel the combustion process, in absence of an additional fuel, to generate a film that is formed over the at least part of the substrate, wherein the film comprises an oxide of the metal, wherein no additional components including fuels, oxidizers or adhesion promoters are used to form the film by combustion.

### Claim 2 (depends on 1)

The method of claim 1, wherein the solvent comprises water.

### Claim 3 (depends on 1)

The method of claim 1, wherein the film is contiguous.

### Claim 4 (depends on 1)

The method of claim 1, wherein inducing the combustion process comprises heating the metal ligand complex and the reactive moiety.

### Claim 5 (depends on 4)

The method of claim 4, wherein the oxygen of the metal ligand complex reacts with the metal ligand complex.

### Claim 6 (depends on 1)

The method of claim 1, wherein the metal ligand complex comprises: a first moiety comprising the metal, and a second moiety comprising a combustible species.

### Claim 7 (depends on 6)

The method of claim 6, wherein the metal ligand complex comprises a moiety that has a net charge.

### Claim 8 (depends on 6)

The method of claim 6, wherein the metal ligand complex comprises a moiety that is branched.

### Claim 9 (depends on 1)

The method of claim 1, further comprising cleaning the substrate prior to providing the metal ligand complex.

### Claim 10 (depends on 1)

The method of claim 1, wherein the metal ligand complex comprises a ligand that is a salt of a polyprotic acid.

### Claim 11

A method comprising:
providing a metal ligand complex comprising a metal, oxygen, and a reactive moiety, wherein the metal ligand complex is dissolved in a solvent comprising water that coats at least part of a substrate; and
generating a contiguous film by inducing a combustion process, wherein the metal ligand complex provides the oxygen to fuel the combustion process, in absence of an additional fuel, wherein inducing the combustion process comprises heating the metal ligand complex and the reactive moiety, wherein no additional components including fuels, oxidizers or adhesion promoters are used to form the contiguous film by combustion.

### Claim 12 (depends on 11)

The method of claim 11, wherein the oxygen of the metal ligand complex reacts with the metal ligand complex.

### Claim 13 (depends on 11)

The method of claim 11, wherein the metal ligand complex comprises: a first moiety comprising the metal, and a second moiety comprising a combustible species.

### Claim 14 (depends on 13)

The method of claim 13, wherein the metal ligand complex comprises a moiety that has a net charge, and wherein the metal ligand complex comprises a moiety that is branched.

### Claim 15 (depends on 11)

The method of claim 11, wherein the metal ligand complex comprises a ligand that is a salt of a polyprotic acid.

### Claim 16 (depends on 11)

The method of claim 11, further comprising cleaning the substrate prior to providing the metal ligand complex.

### Claim 17

A method comprising:
generating a metal-oxide film by:
providing a metal ligand complex comprising a metal, oxygen, and a reactive moiety, wherein the metal ligand complex is dissolved in a solvent that coats at least part of a substrate; and
inducing a combustion process, wherein the metal ligand complex provides the oxygen to fuel the combustion process, in absence of an additional fuel, to generate the metal-oxide film that is formed over the at least part of the substrate, wherein:
the metal-oxide film comprises an oxide of the metal;
the solvent comprises water; and
inducing the combustion process comprises heating the metal ligand complex and the reactive moiety, wherein no additional components including fuels, oxidizers or adhesion promoters are used to form the metal-oxide film by combustion.

### Claim 18 (depends on 17)

The method of claim 17, wherein the metal ligand complex comprises:
a first moiety comprising the metal; and
a second moiety comprising a combustible species.

### Claim 19 (depends on 18)

The method of claim 18, wherein the metal ligand complex comprises a moiety that has a net charge, and wherein the metal ligand complex comprises a moiety that is branched.

### Claim 20 (depends on 17)

The method of claim 17, further comprising cleaning the substrate prior to providing the metal ligand complex.
