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Patent US4731256A successfully refreshed from Google Patents.
US4731256A
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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: 1986-07-18
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Granted: 1988-03-15
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Expires: 2006-07-18
Abstract
Abstract An improved liquid coating composition for producing high quality, high performance fluorine-doped tin oxide coatings by chemical vapor deposition includes the reaction product of a reactive fluorine dopant compound and an organotin compound, preferably 1-30 wt. % of the fluorine dopant and 70-99 wt. % of the organotin compound. The preferred liquid coating composition includes the reaction product of trifluoroacetic acid and monobutyltin trichloride.
Inventors
- 👤 David A. Russo
- 👤 Georg H. Lindner
- 👤 Marinus K. Schilders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:27
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/22; C03C17/23; C03C17/245; C03C17/2453
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
87 words
A liquid coating composition for making high quality fluorine-doped tin oxide coatings having a low sheet resistance and high visible light transmission including the reaction product 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, or acid halide: and an organotin compound which is an alkyltin trichloride, a dialkyltin dichloride, an alkyldichlorotin acetate, or an ester tin trichloride: or tin tetrachloride.
Claim 2
Dependent Claim
87 words
A liquid coating composition for making high quality fluorine-doped tin oxide coatings having a low sheet resistance and high visible light transmission including the reaction product 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, or acid halide: and an organotin compound which is an alkyltin trichloride, a dialkyltin dichloride, an alkyldichlorotin acetate, 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
16 words
A liquid coating composition according to claim 1 wherein said functional group is an acid halide.
Claim 8
Dependent Claim
16 words
A liquid coating composition according to claim 1 wherein said organotin compound is an alkyltin trichloride.
Claim 9
Dependent Claim
16 words
A liquid coating composition according to claim 1 wherein said organotin compound is a dialkyltin dichloride.
Claim 10
Dependent Claim
16 words
A liquid coating composition according to claim 1 wherein said organotin compound is an alkyldichlorotin acetate.
Claim 11
Dependent Claim
17 words
A liquid coating composition according to claim 1 wherein said organotin compound is an ester tin trichloride.
Claim 12
Dependent Claim
65 words
A liquid coating composition according to claim 1 including the reaction product of: (a) 1-30 wt. % of a reactive organic fluorine dopant compound which is trifluoroacetic acid, trifluoroacetic anhydride, ethyl trifluoroacetoacetate, trifluoroethanol, ethyl trifluoroacetate, or pentafluoropropionic acid, and (b) 70-99 wt. % of an organotin compound which is an alkyltin trichloride, a dialkyltin dichloride, an alkyldichlorotin acetate, an ester tin trichloride; or tin tetrachloride.
Claim 13
Dependent Claim
28 words
A liquid coating composition according to claim 11 wherein said organotin compound is monobutyltin trichloride, methyltin trichloride, isobutyltin trichloride, dibutyltin dichloride, di-t-butyltin dichloride, butyldichlorotin acetate, or carbethoxyethyltin trichloride.
Claim 14
Dependent Claim
16 words
A liquid coating composition according to claim 11 in which said fluorine dopant is trifluoroacetic acid.
Claim 15
Dependent Claim
16 words
A liquid coating composition according to claim 11 in which said organotin compound is monobutyltin trichloride.
Claim 16
Dependent Claim
21 words
A liquid coating composition according to claim 11 in which said reaction product is formed from trifluoroacetic acid and monobutyltin trichloride.
Claim 17
Dependent Claim
17 words
A liquid coating composition according to claim 11 in which said composition also includes added organotin compound.
Claim 18
Dependent Claim
77 words
A liquid coating composition for making high quality fluorine-doped tin oxide coatings having a low sheet resistance and high visible light transmission including the reaction product of: (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, or acid halide; and (b) 70-99 wt. % of tin tetrachloride.
Claim 19
Dependent Claim
77 words
A liquid coating composition for making high quality fluorine-doped tin oxide coatings having a low sheet resistance and high visible light transmission including the reaction product of: (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, or acid halide; and (b) 70-99 wt. % of tin tetrachloride.
Claim 20
Dependent Claim
45 words
A liquid coating composition according to claim 17 comprising the reaction product of: (a) 1-30 wt. % of an organic fluorine dopant compound which is trifluoroacetic acid, trifluoroacetic anhydride, ethyl trifluoroacetoacetate, trifluoroethanol, ethyl trifluoroacetate or pentafluoropropionic acid; and (b) 70-99 wt. % of tin tetrachloride.
Claim 21
Dependent Claim
17 words
A liquid coating composition according to claim 17 in which said composition also includes added tin tetrachloride.
Claim 22
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 23
Dependent Claim
20 words
A method of producing a high quality fluorine-doped tin oxide coating wherein said composition is formed according to claim 11.
Claim 24
Dependent Claim
11 words
A method according to claim 21 where said substrate is glass.
References Cited (Backward Citations)
US4265974A
Cited
US4293594A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-03-15 | 1991-09-14 | 1992-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-03-15 | 1995-09-14 | 1996-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-03-15 | 1999-09-14 | 2000-03-15 | $7700.00 | Window Closed / Lapsed |