US5326633A — Coated substrates

Claim 1

Independent Claim 216 words

An article comprising a three dimensional inorganic substrate other than electrically conductive tin oxide having a coating containing electrically conductive tin oxide on at least a portion of all three dimensions thereof produced by a process comprising: contacting an inorganic three dimensional substrate which includes external surfaces and shielded surfaces which are at least partially shielded by other portions of said substrate with a composition comprising a tin chloride-forming compound at conditions effective to form a tin chloride-forming compound containing coating on at least a portion of said substrate; forming a liquidus tin chloride-forming compound containing coating on at least a portion of the three dimensions of said substrate including the shielded surfaces of said substrate and at conditions effective to do at least one of the following: (1) coat a larger portion of said substrate with said tin chloride-forming compound; (2) distribute said tin chloride-forming compound over said substrate; and (3) make said tin chloride-forming compound containing coating more uniform in thickness; and contacting said substrate with said tin chloride-forming compound containing coating with an oxidizing agent at conditions effective to convert the tin chloride forming compound to tin oxide and form a tin oxide coating on at least a portion of said three dimensions of said substrate including the shielded surfaces of said substrate.

Claim 2

Dependent Claim 216 words

An article comprising a three dimensional inorganic substrate other than electrically conductive tin oxide having a coating containing electrically conductive tin oxide on at least a portion of all three dimensions thereof produced by a process comprising: contacting an inorganic three dimensional substrate which includes external surfaces and shielded surfaces which are at least partially shielded by other portions of said substrate with a composition comprising a tin chloride-forming compound at conditions effective to form a tin chloride-forming compound containing coating on at least a portion of said substrate; forming a liquidus tin chloride-forming compound containing coating on at least a portion of the three dimensions of said substrate including the shielded surfaces of said substrate and at conditions effective to do at least one of the following: (1) coat a larger portion of said substrate with said tin chloride-forming compound; (2) distribute said tin chloride-forming compound over said substrate; and (3) make said tin chloride-forming compound containing coating more uniform in thickness; and contacting said substrate with said tin chloride-forming compound containing coating with an oxidizing agent at conditions effective to convert the tin chloride forming compound to tin oxide and form a tin oxide coating on at least a portion of said three dimensions of said substrate including the shielded surfaces of said substrate.

Claim 3

Dependent Claim 43 words

The article of claim 1 which further comprises contacting said substrate with a dopant-forming component at conditions effective to form a dopant-forming component containing coating on said substrate, said dopant-forming component contacting occurring prior to the substantially complete oxidation of tin chloride-forming compound.

Claim 4

Dependent Claim 14 words

The article of claim 1 wherein the tin chloride forming compound is stannous chloride.

Claim 5

Dependent Claim 14 words

The article of claim 2 wherein the dopant forming component is a fluorine component.

Claim 6

Dependent Claim 14 words

The article of claim 2 wherein the tin chloride forming compound is stannous chloride.

Claim 7

Dependent Claim 14 words

The article of claim 4 wherein the tin chloride forming compound is stannous chloride.

Claim 8

Dependent Claim 40 words

The article of claim 1 wherein said substrate is an inorganic oxide and in a form selected from the group consisting of spheres, extrudates, flakes, fibers, fiber rovings, chopped fibers, fiber mats, porous substrates, irregularly shaped particles, and multi-channel monoliths.

Claim 9

Dependent Claim 40 words

The article of claim 2 wherein said substrate is an inorganic oxide and in a form selected from the group consisting of spheres, extrudates, flakes, fibers, fiber rovings, chopped fibers, fiber mats, porous substrates, irregularly shaped particles, and multi-channel monoliths.

Claim 10

Dependent Claim 32 words

The article of claim 4 wherein said substrate is an inorganic oxide and in a form selected from the group consisting of spheres, extrudates, flakes, fibers, porous substrates, and irregularly shaped particles.

Claim 11

Dependent Claim 32 words

The article of claim 6 wherein said substrate is an inorganic oxide and in a form selected from the group consisting of spheres, extrudates, flakes, fibers, porous substrates, and irregularly shaped particles.

Claim 12

Dependent Claim 189 words

An article comprising a three dimensional inorganic substrate other than electrically conductive tin oxide having a coating containing electrically conductive tin oxide on at least a portion of all three dimensions thereof produced by a process comprising: contacting an inorganic three dimensional substrate with a composition comprising a tin oxide precursor powder at conditions effective to form a coating containing tin oxide precursor on at least a portion of the substrate; forming a liquidus tin oxide precursor on at least a portion of the three dimensions of said substrate including the shielded surfaces of said substrate and at conditions effective to do at least one of the following: (1) coat a larger portion of said substrate with said coating containing tin oxide precursor; (2) distribute said coating containing tin oxide precursor over said substrate; and (3) make said coating containing tin oxide precursor more uniform in thickness; and contacting said coated substrate with an oxidizing agent at conditions effective to convert said tin oxide precursor to tin oxide on at least a portion of said three dimensions of said substrate and form a substrate having a tin oxide-containing coating.

Claim 13

Dependent Claim 189 words

An article comprising a three dimensional inorganic substrate other than electrically conductive tin oxide having a coating containing electrically conductive tin oxide on at least a portion of all three dimensions thereof produced by a process comprising: contacting an inorganic three dimensional substrate with a composition comprising a tin oxide precursor powder at conditions effective to form a coating containing tin oxide precursor on at least a portion of the substrate; forming a liquidus tin oxide precursor on at least a portion of the three dimensions of said substrate including the shielded surfaces of said substrate and at conditions effective to do at least one of the following: (1) coat a larger portion of said substrate with said coating containing tin oxide precursor; (2) distribute said coating containing tin oxide precursor over said substrate; and (3) make said coating containing tin oxide precursor more uniform in thickness; and contacting said coated substrate with an oxidizing agent at conditions effective to convert said tin oxide precursor to tin oxide on at least a portion of said three dimensions of said substrate and form a substrate having a tin oxide-containing coating.

Claim 14

Dependent Claim 43 words

The article of claim 11 which further comprises contacting said substrate with a dopant-forming component at conditions effective to form a dopant-forming component containing coating on said substrate, said dopant-forming component contacting occurring prior to the substantially complete oxidation of tin chloride-forming compound.

Claim 15

Dependent Claim 14 words

The article of claim 11 wherein the tin chloride forming compound is stannous chloride.

Claim 16

Dependent Claim 14 words

The article of claim 12 wherein the dopant forming component is a fluorine component.

Claim 17

Dependent Claim 14 words

The article of claim 12 wherein the tin chloride forming compound is stannous chloride.

Claim 18

Dependent Claim 14 words

The article of claim 14 wherein the tin chloride forming compound is stannous chloride.

Claim 19

Dependent Claim 40 words

The article of claim 11 wherein said substrate is an inorganic oxide and in a form selected from the group consisting of spheres, extrudates, flakes, fibers, fiber rovings, chopped fibers, fiber mats, porous substrates, irregularly shaped particles, and multi-channel monoliths.

Claim 20

Dependent Claim 40 words

The article of claim 12 wherein said substrate is an inorganic oxide and in a form selected from the group consisting of spheres, extrudates, flakes, fibers, fiber rovings, chopped fibers, fiber mats, porous substrates, irregularly shaped particles, and multi-channel monoliths.

Claim 21

Dependent Claim 32 words

The article of claim 14 wherein said substrate is an inorganic oxide and in a form selected from the group consisting of spheres, extrudates, flakes, fibers, porous substrates, and irregularly shaped particles.

Claim 22

Dependent Claim 32 words

The article of claim 16 wherein said substrate is an inorganic oxide and in a form selected from the group consisting of spheres, extrudates, flakes, fibers, porous substrates, and irregularly shaped particles.

Claim 23

Dependent Claim 80 words

An article comprising a three dimensional inorganic substrate other than an electrically conductive tin oxide wherein the substrate is an inorganic oxide spherical substrate selected from the group consisting of alumina, zeolites, boria, zeolite modified inorganic oxide, alumina phosphorous oxide, sodium borosilicate, soda lime glass, borosilicate glass, and mixtures thereof, said substrate having a coating containing electrically conductive doped tin oxide on at least a portion of all three dimensions of said substrate including the shieldied surfaces of said substrate.

Claim 24

Dependent Claim 80 words

An article comprising a three dimensional inorganic substrate other than an electrically conductive tin oxide wherein the substrate is an inorganic oxide spherical substrate selected from the group consisting of alumina, zeolites, boria, zeolite modified inorganic oxide, alumina phosphorous oxide, sodium borosilicate, soda lime glass, borosilicate glass, and mixtures thereof, said substrate having a coating containing electrically conductive doped tin oxide on at least a portion of all three dimensions of said substrate including the shieldied surfaces of said substrate.

Claim 25

Dependent Claim 38 words

An article of claim 21 wherein the spherical substrate is a hollow sphere having a spherical roundness of greater than about 70 percent and said substrate has a diameter of from about 1 micron to about 500 microns.

Claim 26

Dependent Claim 97 words

An article comprising a three dimensional inorganic substrate other than an electrically conductive tin oxide wherein the substrate is an inorganic oxide platelet substrate wherein the inorganic oxide is selected from the group consisting of alumina, silica, zirconia, magnesia, titania, silica alumna, zeolites, boria, zeolite modified inorganic oxide, alumina phosphorous oxide, sodium borosilicate, soda lime glass, borosilicate glass, hydrous aluminum silicate, mica, C glass and mixtures thereof, said substrate having a coating containing electrically conductive doped tin oxide on at least a portion of all three dimensions of said substrate including the shielded surfaces of said substrate.

Claim 27

Dependent Claim 97 words

An article comprising a three dimensional inorganic substrate other than an electrically conductive tin oxide wherein the substrate is an inorganic oxide platelet substrate wherein the inorganic oxide is selected from the group consisting of alumina, silica, zirconia, magnesia, titania, silica alumna, zeolites, boria, zeolite modified inorganic oxide, alumina phosphorous oxide, sodium borosilicate, soda lime glass, borosilicate glass, hydrous aluminum silicate, mica, C glass and mixtures thereof, said substrate having a coating containing electrically conductive doped tin oxide on at least a portion of all three dimensions of said substrate including the shielded surfaces of said substrate.

Claim 28

Dependent Claim 34 words

The article of claim 23 wherein the substrate is C glass and the substrate has an aspect ratio of average length to average width from about 5 to 1 to about 2,000 to 1.

Claim 29

Dependent Claim 16 words

The article of claim 21 wherein the doped tin oxide, is a fluoride doped tin oxide.

Claim 30

Dependent Claim 16 words

The article of claim 22 wherein the doped tin oxide, is a fluoride doped tin oxide.

Claim 31

Dependent Claim 16 words

The article of claim 23 wherein the doped tin oxide, is a fluoride doped tin oxide.

Claim 32

Dependent Claim 16 words

The article of claim 24 wherein the doped tin oxide, is a fluoride doped tin oxide.

Claim 33

Dependent Claim 79 words

An article comprising a three dimensional inorganic substrate other than an electrically conductive tin oxide wherein the substrate is an inorganic monolith substrate wherein the substrate is selected from the group consisting of cordierite, silicon nitride, alumina, silica, magnesium aluminate spinel, titania, silica alumna, zeolites, mordenite and mixtures thereof, said substrate having a coating containing electrically conductive doped tin oxide on at least a portion of all three dimensions of said substrate including the shielding surfaces of said substrate.

Claim 34

Dependent Claim 79 words

An article comprising a three dimensional inorganic substrate other than an electrically conductive tin oxide wherein the substrate is an inorganic monolith substrate wherein the substrate is selected from the group consisting of cordierite, silicon nitride, alumina, silica, magnesium aluminate spinel, titania, silica alumna, zeolites, mordenite and mixtures thereof, said substrate having a coating containing electrically conductive doped tin oxide on at least a portion of all three dimensions of said substrate including the shielding surfaces of said substrate.

Claim 35

Dependent Claim 15 words

The article of claim 29 wherein the doped tin oxide, is fluoride doped tin oxide.

Claim 36

Dependent Claim 20 words

The article of claim 29 wherein the substrate is selected from the group consisting of cordierite, alumina, titania and mordenite.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1997-07-04	1998-01-03	1998-07-05	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	2001-07-04	2002-01-03	2002-07-05	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2005-07-04	2006-01-03	2006-07-05	$7700.00	Window Closed / Lapsed

Coated substrates

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