US4424392A
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Aldehyde containing hydrolyzable silanes
Assignee: Witco Corp
•
Filing: 1982-03-24
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Granted: 1984-01-03
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Expires: 2002-03-24
Abstract
Abstract Aldehyde containing hydrolyzable silane compositions of matter and a process for preparing same by hydroformylating an ethylenically unsaturated organic containing hydrolyzable silane.
Inventors
- 👤 Herbert E. Petty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:50
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/18; C07F7/1804
Claims Analysis
Total Claims: 28
Claim 1
Independent Claim
51 words
A monoaldehyde containing hydrolyzable silane having the formula ##STR36## wherein R represents an alkoxy radical having from 1 to 4 carbon atoms, R' represents a monovalent alkyl radical having from 1 to 4 carbon atoms, X represents a divalent organic bridging group and a has a value of 0 to 2.
Claim 2
Dependent Claim
51 words
A monoaldehyde containing hydrolyzable silane having the formula ##STR36## wherein R represents an alkoxy radical having from 1 to 4 carbon atoms, R' represents a monovalent alkyl radical having from 1 to 4 carbon atoms, X represents a divalent organic bridging group and a has a value of 0 to 2.
Claim 3
Dependent Claim
44 words
A monoaldehyde containing hydrolyzable silane having the formula: ##STR37## wherein R represents a methoxy or ethoxy radical; and wherein X represents a divalent organic radical containing from 2 to 8 carbon atoms selected from the group consisting of alkylene, alkylene-O-alkylene, ##STR38## and cycloalkylene radicals.
Claim 4
Dependent Claim
44 words
A monoaldehyde containing hydrolyzable silane having the formula: ##STR37## wherein R represents a methoxy or ethoxy radical; and wherein X represents a divalent organic radical containing from 2 to 8 carbon atoms selected from the group consisting of alkylene, alkylene-O-alkylene, ##STR38## and cycloalkylene radicals.
Claim 5
Dependent Claim
22 words
A silane as defined in claim 2, wherein R' represents a methyl radical and a has a value or 0 or 1.
Claim 6
Dependent Claim
23 words
A silane as defined in claim 3, wherein X represents an ethylene radical having the formula --CH 2 CH 2 -- or ##STR39##
Claim 7
Dependent Claim
29 words
A silane as defined in claim 3, wherein X represents a propylene radical having the formula --CH 2 CH 2 CH 2 -- or --CH 2 CHCH 3 .
Claim 8
Dependent Claim
40 words
A monoaldehyde containing hydrolyzable silane having the formula: R.sub.3-a Si(CH.sub.3).sub.a --X--CHO wherein R represents either a methoxy or ethoxy radical, "a" has a value of 0 to 1, and X represents a radical selected from the group consisting of: ##STR40##
Claim 9
Dependent Claim
40 words
A monoaldehyde containing hydrolyzable silane having the formula: R.sub.3-a Si(CH.sub.3).sub.a --X--CHO wherein R represents either a methoxy or ethoxy radical, "a" has a value of 0 to 1, and X represents a radical selected from the group consisting of: ##STR40##
Claim 10
Dependent Claim
14 words
A silane as defined in claim 6, wherein X represents a cyclohexylene radical ##STR41##
Claim 11
Dependent Claim
17 words
A silane as defined in claim 6, wherein X represents a bicycloheptene radical having the formula ##STR42##
Claim 12
Dependent Claim
26 words
A silane as defined in claim 2, wherein R is a methoxy radical, X is a --CH 2 CH 2 -- radical and a is 0.
Claim 13
Dependent Claim
26 words
A silane as defined in claim 2, wherein R is an ethoxy radical, X is a --CH 2 CH 2 -- radical and a is 0.
Claim 14
Dependent Claim
28 words
A silane as defined in claim 2, wherein R is a methoxy radical, X is a --CH 2 CH 2 CH 2 -- radical and a is 0.
Claim 15
Dependent Claim
22 words
A silane as defined in claim 2, wherein R is an ethoxy radical, X is a ##STR43## radical and a is 0.
Claim 16
Dependent Claim
31 words
A silane as defined in claim 2, wherein R is a methoxy radical, R' is a methyl radical, X is a --CH 2 CH 2 -- radical and a is 1.
Claim 17
Dependent Claim
31 words
A silane as defined in claim 2, wherein R is an ethoxy radical, R' is a methyl radical, X is a --CH 2 CH 2 -- radical and a is 1.
Claim 18
Dependent Claim
33 words
A silane as defined in claim 2, wherein R is a methoxy radical, R' is a methyl radical, X is a --CH 2 CH 2 CH 2 -- radical and a is 1.
Claim 19
Dependent Claim
33 words
A silane as defined in claim 2, wherein R is an ethoxy radical, R' is a methyl radical, X is a --CH 2 CH 2 CH 2 -- radical and a is 1.
Claim 20
Dependent Claim
22 words
A silane as defined in claim 2, wherein R is a methoxy radical, X is a ##STR44## radical and a is 0.
Claim 21
Dependent Claim
22 words
A silane as defined in claim 2, wherein R is an ethoxy radical, X is a ##STR45## radical and a is 0.
Claim 22
Dependent Claim
22 words
A silane as defined in claim 2, wherein R is a methoxy radical, X is a ##STR46## radical and a is 0.
Claim 23
Dependent Claim
61 words
A process for producing aldehyde containing hydrolyzable silanes as defined in claim 1, which comprises hydroformylating a hydrolyzable silane having the formula ##STR47## wherein R, R' and a are the same as defined in claim 1, and Y represents an ethylenically unsaturated organic radical, with carbon monoxide and hydrogen in the presence of a Group VIII transition metal complex hydroformylation catalyst.
Claim 24
Dependent Claim
51 words
A process as defined in claim 20, wherein said catalyst is a rhodium complex hydroformylation catalyst; wherein R represents a methoxy or ethoxy radical and wherein X represents a divalent organic radical containing from 2 to 8 carbon atoms selected from the group consisting of alkylene, alkylene-O-alkylene, ##STR48## and cycloalkylene radicals.
Claim 25
Dependent Claim
22 words
A process as defined in claim 21, wherein R' represents a methyl radical and a has a value of 0 or 1.
Claim 26
Dependent Claim
22 words
A process as defined in claim 22, wherein X represents an ethylene radical having the formula --CH 2 CH 2 or ##STR49##
Claim 27
Dependent Claim
25 words
A process as defined in claim 22, wherein X represents a propylene radical having the formula --CH 2 CH 2 CH 2 -- or ##STR50##
Claim 28
Dependent Claim
16 words
A silane as defined in claim 6, wherein X represents a radical having the formula ##STR51##
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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) | 1987-01-02 | 1987-07-04 | 1988-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-01-02 | 1991-07-04 | 1992-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-01-02 | 1995-07-04 | 1996-01-03 | $7700.00 | Window Closed / Lapsed |