Patent US1412557A successfully refreshed from Google Patents.
US6808867B2
Expired / Lapsed
US
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Photo-definable self-assembled materials
Assignee: UNM Rainforest Innovations
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Filing: 2002-03-19
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Granted: 2004-10-26
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Expires: 2022-03-19
Abstract
Abstract The present invention provides a mesoporous material comprising at least one region of mesoporous material patterned at a lithographic scale. The present invention also provides a a method for forming a patterned mesoporous material comprising: coating a sol on a substrate to form a film, the sol comprising: a templating molecule, a photoactivator generator, a material capable of being sol-gel processed, water, and a solvent; and exposing the film to light to form a patterned mesoporous material.
Inventors
- 👤 Dhaval Doshi
- 👤 Hongyou Fan
- 👤 Nicola Huesing
- 👤 Alan Hurd
- 👤 Charles Jeffrey Brinker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:48
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/0048; G03F7/0047; G03F7/038; G03F7/075
Claims Analysis
Total Claims: 30
Claim 1
Independent Claim
50 words
A method for forming a patterned mesoporous material comprising: coating a sol on a substrate to form a film, said sol comprising: a templating molecule, a photoactivator generator, a material capable of being sol-gel processed, and a solvent; and exposing said film to light to form a patterned mesoporous material.
Claim 2
Independent Claim
50 words
A method for forming a patterned mesoporous material comprising: coating a sol on a substrate to form a film, said sol comprising: a templating molecule, a photoactivator generator, a material capable of being sol-gel processed, and a solvent; and exposing said film to light to form a patterned mesoporous material.
Claim 3
Dependent Claim
12 words
The method of claim 1 , wherein said light is UV radiation.
Claim 4
Dependent Claim
12 words
The method of claim 1 , wherein said solvent comprises ethyl alcohol.
Claim 5
Dependent Claim
14 words
The method of claim 1 , wherein said photoactivator generator comprises a photoacid generator.
Claim 6
Dependent Claim
14 words
The method of claim 1 , wherein said photoactivator generator comprises a photobase generator.
Claim 7
Dependent Claim
20 words
The method of claim 1 , wherein said sol further comprises an acid for adjusting the pH of said sol.
Claim 8
Dependent Claim
16 words
The method of claim 1 , wherein said material capable of being sol-gel processed comprises silica.
Claim 9
Dependent Claim
15 words
The method of claim 1 , wherein said sol further comprises an optically polymerizable monomer.
Claim 10
Dependent Claim
33 words
The method of claim 8 , wherein said optically polymerizable monomer comprises an epoxide monomer and said method further comprises exposing said patterned mesoporous material to light to polymerize said optically polymerizable monomer.
Claim 11
Dependent Claim
20 words
The method of claim 1 , wherein at least two regions of said patterned mesoporous material have different physical properties.
Claim 12
Dependent Claim
21 words
The method of claim 10 , wherein said at least two regions have different refractive indexes in comparison to each other.
Claim 13
Dependent Claim
20 words
The method of claim 10 , wherein said at least two regions have different mesostructures in comparison to each other.
Claim 14
Dependent Claim
21 words
The method of claim 10 , wherein said at least two regions have different pore volumes in comparison to each other.
Claim 15
Dependent Claim
21 words
The method of claim 10 , wherein said at least two regions have different pore sizes in comparison to each other.
Claim 16
Dependent Claim
20 words
The method of claim 10 , wherein said at least two regions have different thicknesses in comparison to each other.
Claim 17
Dependent Claim
21 words
The method of claim 10 , wherein said at least two regions have different wetting behaviors in comparison to each other.
Claim 18
Dependent Claim
21 words
The method of claim 10 , wherein said at least two regions have different etching behaviors in comparison to each other.
Claim 19
Dependent Claim
29 words
The method of claim 10 , wherein a physical property of said different physical properties has a discrete difference for the physical property between said at least two regions.
Claim 20
Dependent Claim
25 words
The method of claim 10 , wherein a physical property of said different physical properties varies as a gradient across said at least two regions.
Claim 21
Dependent Claim
16 words
The method of claim 1 , wherein the method further comprises selective etching of said film.
Claim 22
Dependent Claim
25 words
The method of claim 20 , wherein selective etching of said film includes irradiating said film with ultraviolet light through a mask via proximity printing.
Claim 23
Dependent Claim
24 words
The method of claim 20 , further comprising the step of calcinating said mesoporous material after said at least one region has been etched.
Claim 24
Dependent Claim
15 words
The method of claim 1 , further comprising the step of calcinating said mesoporous material.
Claim 25
Independent Claim
57 words
A method for forming a patterned mesoporous material comprising: coating a sol on a substrate to form a film, said sol comprising: a templating molecule, a photoactivator generator, a material capable of being sol-gel processed, water, and a solvent; and exposing said film to light to form a patterned mesoporous material, wherein said templating molecule comprises CTAB.
Claim 26
Independent Claim
57 words
A method for forming a patterned mesoporous material comprising: coating a sol on a substrate to form a film, said sol comprising: a templating molecule, a photoactivator generator, a material capable of being sol-gel processed, water, and a solvent; and exposing said film to light to form a patterned mesoporous material, wherein said templating molecule comprises CTAB.
Claim 27
Independent Claim
58 words
A method for forming a patterned mesoporous material comprising: coating a sol on a substrate to form a film, said sol comprising: a templating molecule, a photoactivator generator, a material capable of being sol-gel processed, water. and a solvent; and exposing said film to light to form a patterned mesoporous material, wherein said templating molecule comprises Brij 56.
Claim 28
Independent Claim
58 words
A method for forming a patterned mesoporous material comprising: coating a sol on a substrate to form a film, said sol comprising: a templating molecule, a photoactivator generator, a material capable of being sol-gel processed, water. and a solvent; and exposing said film to light to form a patterned mesoporous material, wherein said templating molecule comprises Brij 56.
Claim 29
Independent Claim
59 words
A method for forming a patterned mesoporous material comprising: coating a sol on a substrate to form a film, said sol comprising: a templating molecule, a photoactivator generator, a material capable of being sol-gel processed, water, and a solvent; and exposing said film to light to form a patterned mesoporous material, wherein said photoactivator generator comprises a diaryliodonium compound.
Claim 30
Independent Claim
59 words
A method for forming a patterned mesoporous material comprising: coating a sol on a substrate to form a film, said sol comprising: a templating molecule, a photoactivator generator, a material capable of being sol-gel processed, water, and a solvent; and exposing said film to light to form a patterned mesoporous material, wherein said photoactivator generator comprises a diaryliodonium compound.
References Cited (Backward Citations)
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