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US4601917A
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US
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Liquid coating composition for producing high quality, high performance fluorine-doped tin oxide coatings
Assignee: M&T Chemicals Inc
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Filing: 1985-10-04
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Granted: 1986-07-22
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Expires: 2005-10-04
Abstract
Abstract A liquid coating composition for producing high quality, high performance fluorine-doped tin oxide coatings by chemical vapor deposition includes 1-30 wt. % of a reactive fluorine dopant compound and 70-99 wt. % of an organotin compound.
Inventors
- 👤 David A. Russo
- 👤 Georg H. Lindner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:04
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/22; C03C17/23; C03C17/245; C03C17/2453
Claims Analysis
Total Claims: 64
Claim 1
Independent Claim
98 words
A liquid coating composition for making high quality fluorine-doped tin oxide coatings having a low sheet resistance and high visible light transmission comprising: (a) 1-30 wt. % of a reactive organic fluorine dopant compound where at least one fluorine atom is located alpha or beta to a functional group wherein carbon is bonded to oxygen, selected from carboxylic acid, anhydride, ester, alcohol, ketone, acid halide, or ether: and (b) 70-99 wt % of an organotin compound which is an alkyltin trichloride, a dialkyltin dichloride, an alkyldichlorotin acetate, a alkylchlorotin diacetate, or an ester tin trichloride; or tin tetrachloride.
Claim 2
Dependent Claim
98 words
A liquid coating composition for making high quality fluorine-doped tin oxide coatings having a low sheet resistance and high visible light transmission comprising: (a) 1-30 wt. % of a reactive organic fluorine dopant compound where at least one fluorine atom is located alpha or beta to a functional group wherein carbon is bonded to oxygen, selected from carboxylic acid, anhydride, ester, alcohol, ketone, acid halide, or ether: and (b) 70-99 wt % of an organotin compound which is an alkyltin trichloride, a dialkyltin dichloride, an alkyldichlorotin acetate, a alkylchlorotin diacetate, or an ester tin trichloride; or tin tetrachloride.
Claim 3
Dependent Claim
16 words
A liquid coating composition according to claim 1 wherein said functional group is a carboxylic acid.
Claim 4
Dependent Claim
15 words
A liquid coating composition according to claim 1 wherein said functional group is an anhydride.
Claim 5
Dependent Claim
15 words
A liquid coating composition according to claim 1 wherein said functional group is an ester.
Claim 6
Dependent Claim
15 words
A liquid coating composition according to claim 1 wherein said functional group is an alcohol.
Claim 7
Dependent Claim
15 words
A liquid coating composition according to claim 1 wherein said functional group is a ketone.
Claim 8
Dependent Claim
16 words
A liquid coating composition according to claim 1 wherein said functional group is an acid halide.
Claim 9
Dependent Claim
15 words
A liquid coating composition according to claim 1 wherein said functional compound is an ether.
Claim 10
Dependent Claim
16 words
A liquid coating composition according to claim 1 wherein said organotin compound is an alkyltin trichloride.
Claim 11
Dependent Claim
16 words
A liquid coating composition according to claim 1 wherein said organotin compound is a dialkyltin dichloride.
Claim 12
Dependent Claim
16 words
A liquid coating composition according to claim 1 wherein said organotin compound is an alkylchlorotin diacetate.
Claim 13
Dependent Claim
16 words
A liquid coating composition according to claim 1 wherein said organotin compound is an alkyldichlorotin acetate.
Claim 14
Dependent Claim
17 words
A liquid coating composition according to claim 1 wherein said organotin compound is an ester tin trichloride.
Claim 15
Dependent Claim
68 words
A liquid coating composition according to claim 1 comprising: (a) 1-30 wt. % of a reactive organic fluorine dopant compound which is trifluoroacetic acid, trifluoroacetic anhydride, ethyl trifluoroacetoacetate, trifluoroethanol, ethyl trifluoroacetate, pentafluoropropionic acid, 2-chloro-1,1,2-trifluoroethyl methyl ether, or 1,1,1-trifluoroacetylacetone; and (b) 70-99 wt. % of an organotin compound which is an alkyltin trichloride, a dialkyltin dichloride, an alkyldichlorotin acetate, an alkylchlorotin diacetate, an ester tin trichloride: or tin tetrachloride.
Claim 16
Dependent Claim
30 words
A liquid coating composition according to claim 14 wherein said organotin compound is monobutyltin trichloride, methyltin trichloride, isobutyltin trichloride, dibutyltin dichloride, di-t-butyltin dichloride, butyldichlorotin acetate, butylchlorotin diacetate, or carbethoxyethyltin trichloride.
Claim 17
Dependent Claim
16 words
A liquid coating composition according to claim 15 in which said organotin compound is monobutyltin trichloride.
Claim 18
Dependent Claim
16 words
A liquid coating composition according to claim 15 in which said organotin compound is methyltin trichloride.
Claim 19
Dependent Claim
16 words
A liquid coating composition according to claim 15 in which said organotin compound is isobutyltin trichloride.
Claim 20
Dependent Claim
16 words
A liquid coating composition according to claim 15 in which said organotin compound is dibutyltin dichloride.
Claim 21
Dependent Claim
16 words
A liquid coating composition according to claim 15 in which said organotin compound is di-t-butyltin dichloride.
Claim 22
Dependent Claim
16 words
A liquid coating composition according to claim 15 in which said organotin compound is butyldichlorotin acetate.
Claim 23
Dependent Claim
16 words
A liquid coating composition according to claim 15 in which said organotin compound is butylchlorotin diacetate.
Claim 24
Dependent Claim
16 words
A liquid coating composition according to claim 15 in which said organotin compound is carbethoxyethyltin trichloride.
Claim 25
Dependent Claim
23 words
A liquid coating composition according to claim 15 in which said fluorine dopant is trifluoroacetic acid, and said organotin compound is monobutyltin trichloride.
Claim 26
Dependent Claim
25 words
A liquid coating composition according to claim 15 comprising 2-10 wt. % of said organic fluorine dopant and 90-98 wt. % of said organotin compound.
Claim 27
Dependent Claim
23 words
A liquid coating compound according to claim 25 in which said fluorine dopant is trifluoroacetic acid and said organotin compound is monobutyltin trichloride.
Claim 28
Dependent Claim
22 words
A liquid coating composition according to claim 25 in which said fluorine dopant is trifluoroacetic and said organotin compound is butyldichlorotin acetate.
Claim 29
Dependent Claim
23 words
A liquid coating composition according to claim 25 in which said fluorine dopant is ethyl trifluoroacetoacetate and said organotin compound is monobutyltin trichloride.
Claim 30
Dependent Claim
23 words
A liquid coating compound according to claim 25 in which said fluorine dopant is trifluoroacetic acid and said organotin compound is diisobutyltin dichloride.
Claim 31
Dependent Claim
23 words
A liquid coating composition according to claim 25 in which said fluorine dopant is ethyl trifluoroacetate and said organotin compound is monobutyltin trichloride.
Claim 32
Dependent Claim
23 words
A liquid coating composition according to claim 25 in which said fluorine dopant is pentafluoropropionic acid and said organotin compound is monobutyltin trichloride.
Claim 33
Dependent Claim
22 words
A liquid coating compound according to claim 25 in which said fluorine dopant is trifluoroethanol and said organotin compound is monobutyltin trichloride.
Claim 34
Dependent Claim
23 words
A liquid coating composition according to claim 25 in which said fluorine dopant is 2-chloro-1,1,2-trifluoroethylmethyl ether and said organotin compound is monobutyltin trichloride.
Claim 35
Dependent Claim
23 words
A liquid coating composition according to claim 25 in which said fluorine dopant is 1,1,1-trifluoroacetyl acetone and said organotin compound is monobutyltin trichloride.
Claim 36
Dependent Claim
16 words
A liquid coating composition according to claim 14 in which said fluorine dopant is trifluoroacetic acid.
Claim 37
Dependent Claim
16 words
A liquid coating composition according to claim 14 in which said fluorine dopant is trifluoroacetic anhydride.
Claim 38
Dependent Claim
16 words
A liquid coating composition according to claim 14 in which said fluorine dopant is ethyl trifluoroacetoacetate.
Claim 39
Dependent Claim
15 words
A liquid coating composition according to claim 14 in which said fluorine dopant is trifluoroethanol.
Claim 40
Dependent Claim
16 words
A liquid coating composition according to claim 14 in which said fluorine dopant is ethyl trifluoroacetate.
Claim 41
Dependent Claim
16 words
A liquid coating composition according to claim 14 in which said fluorine dopant is pentafluoropropionic acid.
Claim 42
Dependent Claim
17 words
A liquid coating composition according to claim 14 in which said fluorine dopant is 2-chloro-1,1,2-trifluoroethyl methyl ether.
Claim 43
Dependent Claim
15 words
A liquid coating composition according to claim 14 in which said fluorine dopant is 1,1,1-trifluoroacetylacetone.
Claim 44
Dependent Claim
28 words
A liquid coating composition according to claim 1 in which said fluorine dopant is 2-10 wt % and said organotin compound is 90-98 wt. %, of the composition.
Claim 45
Dependent Claim
30 words
A liquid coating composition according to claim 1 in which said fluorine dopant is about 5 wt. % and said organotin compound is about 95 wt. % of the composition.
Claim 46
Dependent Claim
19 words
A liquid coating composition according to claim 1 which also includes 1-10 wt. % of a polar organic compound.
Claim 47
Dependent Claim
36 words
A liquid coating composition according to claim 45 in which said fluorine dopant is 2-10 wt. %, said organotin compound is 80-97 wt. %, and said polar organic compound is 1-10 wt. %, of said composition.
Claim 48
Dependent Claim
30 words
A liquid coating composition according to claim 46 comprising 2-10 wt. % of trifluoroacetic acid, 80-97 wt. % of monobutyltin trichloride and 1-10 wt. % of a polar organic liquid.
Claim 49
Dependent Claim
22 words
A liquid coating composition according to claim 46 in which the polar organic compound is methylisobutyl ketone, acetic anhydride or ethyl acetate.
Claim 50
Dependent Claim
75 words
A liquid coating composition for making high quality fluorine-doped tin oxide coatings having a low sheet resistance and high visible light transmission comprising: (a) 1-30 wt. % of a reactive organic fluorine dopant compound where at least one fluorine atom is located alpha or beta to a functional group wherein carbon is bonded to oxygen selected from carboxylic acid, anhydride, ester, alcohol, ketone, acid halide, or ether; and (b) 70-99 wt. % of tin tetrachloride.
Claim 51
Dependent Claim
75 words
A liquid coating composition for making high quality fluorine-doped tin oxide coatings having a low sheet resistance and high visible light transmission comprising: (a) 1-30 wt. % of a reactive organic fluorine dopant compound where at least one fluorine atom is located alpha or beta to a functional group wherein carbon is bonded to oxygen selected from carboxylic acid, anhydride, ester, alcohol, ketone, acid halide, or ether; and (b) 70-99 wt. % of tin tetrachloride.
Claim 52
Dependent Claim
45 words
A liquid coating composition according to claim 49 comprising: (a) 1-30 wt. % of an organic fluorine dopant compound which is trifluoroacetic acid, trifluoroacetic anhydride, ethyl trifluoroacetoacetate, trifluoroethanol, ethyl trifluoroacetate, pentafluoropropionic acid, 2-chloro-1,1,2-trifluoroethyl methyl ether, or 1,1,1-trifluoroacetylacetone; and (b) 70-99 wt. % of tin tetrachloride.
Claim 53
Dependent Claim
28 words
A liquid coating composition according to claim 49 in which said fluorine dopant is 2-10 wt. %, and said tin tetrachloride is 90-98 wt. % of the composition.
Claim 54
Dependent Claim
30 words
A liquid coating composition according to claim 49 in which said fluorine dopant is about 5 wt. %, and said organotin compound is about 95 wt. % of the composition.
Claim 55
Dependent Claim
16 words
A liquid coating composition according to claim 52 in which said fluorine dopant is trifluoroacetic acid.
Claim 56
Dependent Claim
59 words
A method of producing a high quality fluorine-doped tin oxide coating having a low sheet resistance and high visible light transmission comprising: (a) forming a liquid coating composition of claim 49: (b) vaporizing said liquid composition: and (c) contacting said vapor in an oxygen-containing atmosphere with a substrate maintained at a temperature above the decomposition temperature of said vapor.
Claim 57
Dependent Claim
59 words
A method of producing a high quality fluorine-doped tin oxide coating having a low sheet resistance and high visible light transmission comprising: (a) forming a liquid coating composition of claim 1; (b) vaporizing said liquid composition; and (c) contacting said vapor in an oxygen-containing atmosphere with a substrate maintained at a temperature above the decomposition temperature of said vapor.
Claim 58
Dependent Claim
22 words
A method of producing a high quality fluorine-doped tin oxide coating according to claim 55 in which said oxygen-containing atmosphere is air.
Claim 59
Dependent Claim
14 words
A method according to claim 55 where said vaporization temperature is about 100°-400° C.
Claim 60
Dependent Claim
14 words
A method according to claim 55 where said vaporization temperature is about 150°-250° C.
Claim 61
Dependent Claim
17 words
A method according to claim 55 where said decomposition temperature is above 400° and below 700° C.
Claim 62
Dependent Claim
14 words
A method according to claim 55 where said decomposition temperature is about 550°-650° C.
Claim 63
Dependent Claim
51 words
A method according to claim 55 where said deposition is carried out for 45 seconds or less to produce a coating having a thickness of 160-220 nm, a sheet resistance of less than 40 ohms/square, an infrared reflectivity of greater than 70% and a visible light transmission of at least 80%.
Claim 64
Dependent Claim
11 words
A method according to claim 55 where said substrate is glass.
References Cited (Backward Citations)
US4293594A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-07-21 | 1990-01-20 | 1990-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-07-21 | 1994-01-20 | 1994-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-07-21 | 1998-01-20 | 1998-07-22 | $7700.00 | Window Closed / Lapsed |