Patent US4254009A successfully refreshed from Google Patents.
US4254009A
Expired / Lapsed
US
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Binding agent for coating compositions having a long shelf life
Assignee: Dynamit Nobel AG
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Filing: 1977-11-14
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Granted: 1981-03-03
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Expires: 1997-11-14
Abstract
Abstract A binder for a pigmentous composition containing a silicic acid ester which in turn contains at least one alkoxyalkyl group, a pigmentous composition, especially a zinc dust paint, comprising said binding agent and a paint composition comprising said binding agent and a resin preferably further containing a pigment.
Inventors
- 👤 Werner Dittrich
- 👤 Heinz Nestler
- 👤 Friedhelm Schnippering
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:59
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/08; C09D5/10; C09D5/106; C09D183/00; C09D183/02
Claims Analysis
Total Claims: 28
Claim 1
Independent Claim
103 words
A binder composition for use in a pigmentous or resinous composition comprising an unhydrolyzed silicic acid ester containing an alkoxyalkyl group of the formula Si(OR')n(OR").sub.4-n wherein n is any value between 1 and 3, R' represents an alkyl moiety of 1 to 8 carbon atoms, R" represents an alkoxy alkyl moiety of the formula --(CH 2 ) n --O--R"' wherein n is a number between 1 and 4 and R"' is an alkyl moiety of 1 to 8 carbon atoms or an oligomeric silicic acid ester thereof having 2 to 10 silicon atoms, said binder composition containing up to 20% by weight resin.
Claim 2
Dependent Claim
103 words
A binder composition for use in a pigmentous or resinous composition comprising an unhydrolyzed silicic acid ester containing an alkoxyalkyl group of the formula Si(OR')n(OR").sub.4-n wherein n is any value between 1 and 3, R' represents an alkyl moiety of 1 to 8 carbon atoms, R" represents an alkoxy alkyl moiety of the formula --(CH 2 ) n --O--R"' wherein n is a number between 1 and 4 and R"' is an alkyl moiety of 1 to 8 carbon atoms or an oligomeric silicic acid ester thereof having 2 to 10 silicon atoms, said binder composition containing up to 20% by weight resin.
Claim 3
Dependent Claim
17 words
A binder according to claim 1 wherein said silicic acid ester is an ester of orthosilicic acid.
Claim 4
Dependent Claim
23 words
A binder according to claim 1 wherein said silicic acid ester is an oligomeric silicic acid ester having 2 to 10 silicon atoms.
Claim 5
Dependent Claim
28 words
A binder according to claim 1 wherein the alkoxyalkyl group of the silicic acid ester is an ethoxyalkyl group whose alkyl moiety has 2 to 4 carbon atoms.
Claim 6
Dependent Claim
27 words
A binder according to claim 1 wherein the ratio of the oxyalkyl groups to the oxyalkoxy groups in the silicic acid ester is between 10:1 and 1:10.
Claim 7
Dependent Claim
22 words
A binder according to claim 1 wherein said silicic acid ester is present in an amount of 30 to 95 weight percent.
Claim 8
Dependent Claim
22 words
A binder according to claim 6 wherein said silicic acid ester is present in an amount between 50 and 70 weight percent.
Claim 9
Dependent Claim
24 words
A binder according to claim 1 wherein said binder contains a solvent which is present in an amount between 5 and 65 weight percent.
Claim 10
Dependent Claim
20 words
A binder according to claim 8 wherein said solvent is present in an amount between 20 and 45 weight percent.
Claim 11
Dependent Claim
24 words
A binder according to claim 8 wherein said binder contains a hardener which is present in an amount between 0.1 and 15 weight present.
Claim 12
Dependent Claim
20 words
A binder according to claim 10 wherein said hardener is present in an amount between 2 and 10 weight percent.
Claim 13
Dependent Claim
10 words
A binder composition according to claim 1 containing a resin.
Claim 14
Dependent Claim
14 words
A binder composition according to claim 12 wherein said resin is a linear polyester.
Claim 15
Dependent Claim
24 words
A binder according to claim 12 wherein said resin is present in said binder in an amount between 1 and 20 percent by weight.
Claim 16
Dependent Claim
21 words
A binder according to claim 14 wherein said resin is present in an amount between 4 and 10 percent by weight.
Claim 17
Dependent Claim
9 words
A composition according to claim 12 containing a pigment.
Claim 18
Dependent Claim
12 words
A composition according to claim 16 wherein said pigment is zinc dust.
Claim 19
Dependent Claim
14 words
A binder composition according to claim 12 wherein said resin is a hydroxy polyester.
Claim 20
Dependent Claim
14 words
A binder composition according to claim 12 wherein said resin is an acrylate resin.
Claim 21
Dependent Claim
30 words
A binder according to claim 1 containing resin, said binder containing said unhydrolyzed silicic acid ester or oligomeric silicic acid ester in an amount of 30 to 95 weight percent.
Claim 22
Dependent Claim
17 words
A binder according to claim 20 containing solvent in an amount of 5 to 65 weight percent.
Claim 23
Dependent Claim
17 words
A binder according to claim 2 containing hardener in an amount between 0.1 and 15 weight percent.
Claim 24
Dependent Claim
12 words
A binder according to claim 22 containing an unhydrolyzed silicic acid ester.
Claim 25
Dependent Claim
24 words
A pigmentous composition comprising a pigment and a binder said binder comprising a solvent, hardener and a silicic acid ester containing an alkoxyalkyl group.
Claim 26
Dependent Claim
24 words
A pigmentous composition comprising a pigment and a binder said binder comprising a solvent, hardener and a silicic acid ester containing an alkoxyalkyl group.
Claim 27
Dependent Claim
13 words
A pigmentous composition according to claim 24 wherein said pigment is zinc dust.
Claim 28
Dependent Claim
31 words
A pigmentous composition according to claim 24 wherein said pigment is selected from the group consisting of zinc dust, iron oxide, chromium oxide, titanium dioxide, barium sulfate, kallin, talcum and mullite.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-03-02 | 1984-09-01 | 1985-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-03-02 | 1988-09-01 | 1989-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-03-02 | 1992-09-01 | 1993-03-03 | $7700.00 | Window Closed / Lapsed |