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US4086260A
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Alkoxysilane ester cluster compounds and their preparation and use
Assignee: Olin Corp
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Filing: 1977-04-27
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Granted: 1978-04-25
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Expires: 1997-04-27
Abstract
Abstract Novel alkoxysilane ester cluster compounds are disclosed. These compounds have the formula:
Inventors
- 👤 Karl O. Knollmueller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 21:57
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/04; C07F7/08; C07F7/0834; C07F7/0838; C07F7/06; C10; C10M; C10M2203/00; C10M2203/06; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/023; C10M2207/024; C10M2207/10; C10M2207/18; C10M2207/20; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2209/106; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/26; C10M2215/30; C10M2219/00; C10M2219/10; C10M2219/104; C10M2219/108; C10M2227/00; C10M2227/04; C10N; C10N2040/00; C10N2040/08
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
55 words
A compound having the formula: ##STR9## wherein R is hydrogen, an alkyl, alkenyl, aryl or aralkyl group, and R" and the R' groups are independently selected from alkyl, alkenyl, aryl and aralkyl with the proviso that at least a majority of the R' radicals are sterically hindered alkyl groups having at least 3 carbon atoms.
Claim 2
Dependent Claim
55 words
A compound having the formula: ##STR9## wherein R is hydrogen, an alkyl, alkenyl, aryl or aralkyl group, and R" and the R' groups are independently selected from alkyl, alkenyl, aryl and aralkyl with the proviso that at least a majority of the R' radicals are sterically hindered alkyl groups having at least 3 carbon atoms.
Claim 3
Dependent Claim
92 words
The compound of claim 1 wherein R is hydrogen, an alkyl or alkenyl having about 1 to about 18 carbon atoms or an aryl or aralkyl having about 6 to about 24 carbon atoms, and each R' and R" is independently selected from alkyl or alkenyl having about 1 to about 24 carbon atoms or aryl or aralkyl having about 6 to about 24 carbon atoms subject to the proviso that at least a majority of the R' groups are sterically hindered alkyl groups having about 3 to about 24 carbon atoms.
Claim 4
Dependent Claim
93 words
The compound of claim 2 wherein R is hydrogen, an alkyl or alkenyl having about 1 to about 8 carbon atoms or an aryl or aralkyl having about 6 to about 14 carbon atoms, and each R' and R" is independently selected from alkyl or alkenyl having about 1 to about 12 carbon atoms or an aryl or aralkyl having about 6 to about 14 carbon atoms, subject to the proviso that at least a majority of the R' groups are sterically hindered alkyl groups having about 4 to about 12 carbon atoms.
Claim 5
Dependent Claim
27 words
The compound of claim 3 wherein R" and the R' groups are independently selected from sterically hindered alkyl groups having about 4 to about 12 carbon atoms.
Claim 6
Dependent Claim
38 words
The compound of claim 4 wherein R is alkyl of about 1 to about 8 carbon atoms, and each R' and R" is independently selected from sterically hindered alkyl groups having about 4 to about 12 carbon atoms.
Claim 7
Dependent Claim
16 words
The compound of claim 5 wherein R is methyl and R" and R' are sec butyl.
Claim 8
Dependent Claim
82 words
A method of preparing the compound of claim 1 comprising: reacting a halogenated alkoxysilane cluster compound of the formula: ##STR10## wherein X is a halogen and R and R' are as defined in claim 1, with an alcohol of the formula: R"--OH wherein R" is as defined in claim 1, in the presence of an acceptor base compound, said reaction being conducted at a temperature ranging from about -30° C to about the reflux temperature of the lowest boiling reaction mixture ingredient.
Claim 9
Dependent Claim
76 words
The method of claim 7 wherein X is Cl, R is hydrogen, an alkyl or alkenyl having about 1 to about 18 carbon atoms or an aryl or aralkyl having about 6 to 24 carbon atoms and each R' and R" is independently selected from alkyl, alkenyl, aryl, or aralkyl subject to the proviso that at least a majority of the R' groups are sterically hindered alkyl groups having from 3 to about 24 carbon atoms.
Claim 10
Dependent Claim
73 words
The method of claim 8 wherein R is hydrogen, an alkyl or alkenyl having about 1 to about 8 carbon atoms or an aryl or aralkyl having about 6 to about 14 carbon atoms, and each R' is independently selected from alkyl, alkenyl, aryl or aralkyl subject to the proviso that at least a majority of the R' groups are sterically hindered alkyl groups having from about 4 to about 12 carbon atoms.
Claim 11
Dependent Claim
40 words
The method of claim 9 wherein X is Cl, R is alkyl of about 1 to about 8 carbon atoms, and R' and R" are independently selected from sterically hindered alkyl groups having about 4 to about 12 carbon atoms.
Claim 12
Dependent Claim
32 words
The method of claim 7 wherein the hydrogen halide acceptor base compound is present in an amount ranging from about 0.7 to about 6.0 moles per mole of alkoxysilane cluster compound reactant.
Claim 13
Independent Claim
32 words
The method of claim 1l wherein the hydrogen halide acceptor base compound is present in an amount ranging from about 1.1 to about 1.3 moles per mole of alkoxysilane cluster compound reactant.
Claim 14
Dependent Claim
21 words
The method of claim 11 wherein the reaction is conducted at a temperature ranging from about 20° to about 80° C.
Claim 15
Dependent Claim
15 words
The method of claim 7 wherein the reaction is conducted in a non-protonic solvent medium.
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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) | 1981-04-24 | 1981-10-24 | 1982-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-04-24 | 1985-10-24 | 1986-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-04-24 | 1989-10-24 | 1990-04-25 | $7700.00 | Window Closed / Lapsed |