Patent US3634109A successfully refreshed from Google Patents.
US3634109A
Expired / Lapsed
US
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Zinc-rich protective coatings for metals
Assignee: Union Carbide Corp
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Filing: 1969-11-04
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Granted: 1972-01-11
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Expires: 1989-11-04
Abstract
Abstract A protective coating for metals containing an alkyl silicate, zinc dust, monoethanolamine, and an organic acid, preferably an organic branched chain acid such as 2-ethylbutyric acid or 2ethylhexoic acid.
Inventors
- 👤 Blake F Mago
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:44
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/08; C09D5/10; C09D5/106
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
13 words
The coating composition of claim 1 wherein said alkyl silicate is tetraethyl orthosilicate.
Claim 2
Dependent Claim
20 words
The coating composition of claim 1 wherein said alkyl silicate is an ethyl polysilicate composition containing about 40 percent silica.
Claim 3
Dependent Claim
25 words
The coating composition of claim 1 wherein said alkyl silicate is condensed ethyl silicate and is the reaction product of silicon tetrachloride and absolute ethanol.
Claim 4
Dependent Claim
18 words
The coating composition of claim 1 wherein said organic monocarboxylic acid is a branched chain organic monocarboxylic acid.
Claim 5
Dependent Claim
16 words
The coating composition of claim 5 wherein said branched chain organic monocarboxylic acid is 2-ethylbutyric acid.
Claim 6
Dependent Claim
16 words
The coating composition of claim 5 wherein said branched chain organic monocarboxylic acid is 2-ethylhexoic acid.
Claim 7
Dependent Claim
31 words
The coating composition of claim 1, wherein said solvent is selected from the group consisting of ethylene glycol monoethyl ether, ethylene glycol monoethyl ether acetate, ethanol, benzene, toluene and mixtures thereof.
Claim 8
Dependent Claim
11 words
The coating composition of claim 8 wherein said solvent is ethanol.
Claim 9
Dependent Claim
13 words
The coating composition of claim 8 wherein said alkyl silicate is tetraethyl orthosilicate.
Claim 10
Dependent Claim
20 words
The coating composition of claim 8 wherein said alkyl silicate is an ethyl polysilicate composition containing about 40 percent silica.
Claim 11
Dependent Claim
25 words
The coating composition of claim 8 wherein said alkyl silicate is condensed ethyl silicate and is the reaction product of silicon tetrachloride and absolute ethanol.
Claim 12
Dependent Claim
18 words
The coating composition of claim 8 wherein said organic monocarboxylic acid is a braNched chain organic monocarboxylic acid.
Claim 13
Dependent Claim
16 words
The coating composition of claim 13 wherein said branched chain organic monocarboxylic acid is 2-ethylbutyric acid.
Claim 14
Dependent Claim
16 words
The coating composition of claim 13 wherein said branched chain organic monocarboxylic acid is 2-ethylhexoic acid.
References Cited (Backward Citations)
US3202517A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-01-10 | 1975-07-12 | 1976-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-10 | 1979-07-12 | 1980-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-10 | 1983-07-12 | 1984-01-11 | $7700.00 | Window Closed / Lapsed |