US4472590A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silicone compounds
Assignee: General Electric Co
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Filing: 1982-02-17
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Granted: 1984-09-18
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Expires: 2002-02-17
Abstract
Abstract The present case relates in one instance to novel amine-functional alkoxy silanes. These novel amine-functional alkoxy silanes are particularly useful as adhesion promoters in one-component alkoxy-functional low modulus, fast-curing, shelf stable RTV systems.
Inventors
- 👤 Tyrone D. Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:02
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/40; C03C17/00; C03C17/28; C03C17/30; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/18; C07F7/1804
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
90 words
A compound having the formula ##STR18## where R and R 1 are selected from C.sub.(1-8) monovalent hydrocarbon radicals, R 2 and R 3 are selected from C.sub.(1-12) divalent hydrocarbon radicals, R 7 is selected from hydrogen and methyl, X is selected from an ##STR19## and a ##STR20## radical, Z is selected from O radicals, and S radicals, and Z' is selected from O radicals, S radicals and ##STR21## where R 4 and R 6 are selected from hydrogen and C.sub.(1-6) monovalent hydrocarbon radicals and t varies from 0 to 3.
Claim 2
Dependent Claim
90 words
A compound having the formula ##STR18## where R and R 1 are selected from C.sub.(1-8) monovalent hydrocarbon radicals, R 2 and R 3 are selected from C.sub.(1-12) divalent hydrocarbon radicals, R 7 is selected from hydrogen and methyl, X is selected from an ##STR19## and a ##STR20## radical, Z is selected from O radicals, and S radicals, and Z' is selected from O radicals, S radicals and ##STR21## where R 4 and R 6 are selected from hydrogen and C.sub.(1-6) monovalent hydrocarbon radicals and t varies from 0 to 3.
Claim 3
Dependent Claim
114 words
A process for making a compound having the formula, ##STR22## comprising reacting a first compound of the formula ##STR23## with a second compound of the formula H--Z--R.sup.3 --Z'--R.sup.4 where R and R 1 are selected from C.sub.(1-8) monovalent hydrocarbon radicals, R 2 and R 3 are selected from C.sub.(1-12) divalent hydrocarbon radicals, R 7 is selected from hydrogen and methyl, X is selected from a ##STR24## radical and an ##STR25## radical, Z is selected from O radicals, and S radicals and Z' is selected from O radicals, S radicals and ##STR26## radicals, where R 4 and R 6 are selected from hydrogen and C.sub.(1-6) monovalent hydrocarbon radicals, and t varies from 0 to 3.
Claim 4
Dependent Claim
114 words
A process for making a compound having the formula, ##STR22## comprising reacting a first compound of the formula ##STR23## with a second compound of the formula H--Z--R.sup.3 --Z'--R.sup.4 where R and R 1 are selected from C.sub.(1-8) monovalent hydrocarbon radicals, R 2 and R 3 are selected from C.sub.(1-12) divalent hydrocarbon radicals, R 7 is selected from hydrogen and methyl, X is selected from a ##STR24## radical and an ##STR25## radical, Z is selected from O radicals, and S radicals and Z' is selected from O radicals, S radicals and ##STR26## radicals, where R 4 and R 6 are selected from hydrogen and C.sub.(1-6) monovalent hydrocarbon radicals, and t varies from 0 to 3.
Claim 5
Dependent Claim
23 words
The process of claim 2 wherein there is used at least 2 moles of the second compound per mole of the first compound.
Claim 6
Dependent Claim
21 words
The process of claim 2 wherein the process is carried out at a temperature varying from room temperature to 100° C.
Claim 7
Dependent Claim
16 words
The process of claim 2 wherein the reaction period varies from 2 hours to 24 hours.
Claim 8
Dependent Claim
22 words
The process of claim 2 wherein there is utilized an organic solvent selected from aromatic solvents, inert hydrocarbon solvents and ether solvents.
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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) | 1987-09-18 | 1988-03-19 | 1988-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-09-18 | 1992-03-19 | 1992-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-09-18 | 1996-03-19 | 1996-09-18 | $7700.00 | Window Closed / Lapsed |