US3978103A
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Sulfur containing organosilicon compounds
Assignee: Evonik Operations GmbH
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Filing: 1974-05-06
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Granted: 1976-08-31
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Expires: 1994-05-06
Abstract
Abstract Sulfur containing organosilicon compounds are prepared having the formula: Z -- Alk -- S.sub.n -- Alk -- Z in which Z is: ##EQU1## where R 1 and R alkyl of 1 to 4 carbon atoms or phenyl andR 2 is alkoxy of 1 to 8 carbon atoms, cycloalkoxy of 5 to 8 carbon atoms or alkylmercapto of 1 to 8 carbon atoms, alk is a divalent aliphatic hydrocarbon or unsaturated aliphatic hydrocarbon or a cyclic hydrocarbon containing 1 to 18 carbon atoms and n is a whole number from 2 to 6.
Inventors
- 👤 Eugen Meyer-Simon
- 👤 Werner Schwarze
- 👤 Friedrich Thurn
- 👤 Rudolf Michel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:28
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/18; C07F7/1804; B; B82; B82Y; B82Y30/00; C08; C08K; C08K5/00; C08K5/54; C08K5/548; C09; C09C; C09C1/00; C09C1/28; C09C1/30; C09C1/3081; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/16; C01; C01P; C01P2004/00; C01P2004/60; C01P2004/62; C01P2004/64; C01P2004/80; C01P2006/00; C01P2006/12; Y; Y10; Y10T; Y10T152/00; Y10T152/10; Y10T152/10495
Claims Analysis
Total Claims: 35
Claim 1
Independent Claim
66 words
A compound having the formula Z -- alk -- S n -- alk -- Z, in which Z is ##EQU4## wherein R 1 is alkyl of 1 to 4 carbon atoms or phenyl and R 2 is ethoxy or cycloalkoxy with 5 to 8 carbon atoms, alk is a divalent hydrocarbon of 2 to 18 carbon atoms and n is an integer of 3 to 6.
Claim 2
Dependent Claim
66 words
A compound having the formula Z -- alk -- S n -- alk -- Z, in which Z is ##EQU4## wherein R 1 is alkyl of 1 to 4 carbon atoms or phenyl and R 2 is ethoxy or cycloalkoxy with 5 to 8 carbon atoms, alk is a divalent hydrocarbon of 2 to 18 carbon atoms and n is an integer of 3 to 6.
Claim 3
Dependent Claim
20 words
A compound according to claim 1 wherein alk is a saturated aliphatic hydrocarbon, unsaturated aliphatic hydrocarbon or cycloaliphatic hydrocarbon group.
Claim 4
Dependent Claim
14 words
A compound according to claim 2 wherein alk has 2 to 6 carbon atoms.
Claim 5
Dependent Claim
29 words
A compound according to claim 3 wherein alk is a saturated aliphatic hydrocarbon group of 2 to 3 carbon atoms and n is an integer of 3 to 4.
Claim 6
Dependent Claim
39 words
A compound having the formula ##EQU5## wherein R 2 is ethoxy or cycloalkoxy with 5 to 8 carbon atoms, alk is a divalent hydrocarbon of 1 to 18 carbon atoms and n is an integer of 3 to 6.
Claim 7
Dependent Claim
39 words
A compound having the formula ##EQU5## wherein R 2 is ethoxy or cycloalkoxy with 5 to 8 carbon atoms, alk is a divalent hydrocarbon of 1 to 18 carbon atoms and n is an integer of 3 to 6.
Claim 8
Dependent Claim
20 words
A compound according to claim 5 wherein alk is a saturated aliphatic hydrocarbon, unsaturated aliphatic hydrocarbon or cycloaliphatic hydrocarbon group.
Claim 9
Dependent Claim
20 words
A compound according to claim 6 wherein alk is a saturated aliphatic hydrocarbon group of 1 to 6 carbon atoms.
Claim 10
Dependent Claim
23 words
A compound according to claim 7 wherein alk has 2 to 3 carbon atoms and n is an integer of 3 to 4.
Claim 11
Dependent Claim
13 words
A compound according to claim 7 wherein all R 2 groups are ethoxy.
Claim 12
Dependent Claim
9 words
A compound according to claim 9 which is 3,3'-bis(triethoxysilylpropyl)tetrasulfide.
Claim 13
Dependent Claim
9 words
A compound according to claim 9 which is 3,3'-bis(triethoxysilylpropyl)trisulfide.
Claim 14
Dependent Claim
15 words
A compound according to claim 9 wherein n is an integer from 3 to 4.
Claim 15
Dependent Claim
15 words
A compound according to claim 7 wherein n is an integer from 3 to 4.
Claim 16
Dependent Claim
14 words
A compound according to claim 13 wherein alk is --(CH 2 )-- 3 .
Claim 17
Dependent Claim
15 words
A compound according to claim 1 where n is an integer of 3 to 4.
Claim 18
Dependent Claim
64 words
A compound having the formula Z-alk-S n -alk-Z in which Z is ##EQU6## where R 1 alkyl of 1 to 4 carbon atoms or phenyl and R 2 is alkoxy of 1 to 8 carbon atoms or cycloalkoxy with 5 to 8 carbon atoms, alk is a divalent hydrocarbon of 2 to 18 carbon atoms and n is an integer of 3 to 6.
Claim 19
Dependent Claim
64 words
A compound having the formula Z-alk-S n -alk-Z in which Z is ##EQU6## where R 1 alkyl of 1 to 4 carbon atoms or phenyl and R 2 is alkoxy of 1 to 8 carbon atoms or cycloalkoxy with 5 to 8 carbon atoms, alk is a divalent hydrocarbon of 2 to 18 carbon atoms and n is an integer of 3 to 6.
Claim 20
Dependent Claim
65 words
A compound having the formula Z-alk-S n -alk-Z in which Z is ##EQU7## where R 1 is alkyl of 1 to 4 carbon atoms or phenyl and R 2 is alkoxy of 1 to 8 carbon atoms or cycloalkoxy with 5 to 8 carbon atoms, alk is a divalent hydrocarbon of 2 to 18 carbon atoms and n is an integer of 3 to 6.
Claim 21
Dependent Claim
65 words
A compound having the formula Z-alk-S n -alk-Z in which Z is ##EQU7## where R 1 is alkyl of 1 to 4 carbon atoms or phenyl and R 2 is alkoxy of 1 to 8 carbon atoms or cycloalkoxy with 5 to 8 carbon atoms, alk is a divalent hydrocarbon of 2 to 18 carbon atoms and n is an integer of 3 to 6.
Claim 22
Dependent Claim
31 words
A compound having the formula ##EQU8## wherein R 2 is propoxy, alk is a divalent hydrocarbon of 1 to 18 carbon atoms and n is an integer of 3 to 6.
Claim 23
Dependent Claim
31 words
A compound having the formula ##EQU8## wherein R 2 is propoxy, alk is a divalent hydrocarbon of 1 to 18 carbon atoms and n is an integer of 3 to 6.
Claim 24
Dependent Claim
9 words
A compound according to claim 18 which is 2,2'-bis(tripropoxysilyethyl)pentasulfide.
Claim 25
Dependent Claim
31 words
A compound having the formula ##EQU9## wherein R 2 is butoxy, alk is a divalent hydrocarbon of 1 to 18 carbon atoms and n is an integer of 2 to 6.
Claim 26
Dependent Claim
31 words
A compound having the formula ##EQU9## wherein R 2 is butoxy, alk is a divalent hydrocarbon of 1 to 18 carbon atoms and n is an integer of 2 to 6.
Claim 27
Dependent Claim
9 words
A compound according to claim 20 which is 3,3'-bis(tributoxysilylpropyl)disulfide.
Claim 28
Dependent Claim
10 words
A compound according to claim 20 which is 3,3'-bis(tri t-butoxysilylpropyl)disulfide.
Claim 29
Dependent Claim
10 words
A compound according to claim 1 where n is 3.
Claim 30
Dependent Claim
10 words
A compound according to claim 1 where n is 4.
Claim 31
Dependent Claim
10 words
A compound according to claim 1 where n is 5.
Claim 32
Dependent Claim
10 words
A compound according to claim 1 where n is 6.
Claim 33
Dependent Claim
65 words
A compound having the formula Z-alk-S n -alk-Z in which Z is ##EQU10## wherein R 1 is alkyl of 1 to 4 carbon atoms or phenyl and R 2 is alkoxy of 1 to 8 carbon atoms or cycloalkoxy with 5 to 8 carbon atoms, alk is a divalent hydrocarbon of 2 to 18 carbon atoms and n is an integer of 3 to 6.
Claim 34
Dependent Claim
65 words
A compound having the formula Z-alk-S n -alk-Z in which Z is ##EQU10## wherein R 1 is alkyl of 1 to 4 carbon atoms or phenyl and R 2 is alkoxy of 1 to 8 carbon atoms or cycloalkoxy with 5 to 8 carbon atoms, alk is a divalent hydrocarbon of 2 to 18 carbon atoms and n is an integer of 3 to 6.
Claim 35
Dependent Claim
10 words
A compound according to claim 27 wherein Z is (3).
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-08-31 | 1980-03-01 | 1980-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-08-31 | 1984-03-01 | 1984-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-08-31 | 1988-03-01 | 1988-08-31 | $7700.00 | Window Closed / Lapsed |