US4458087A
Expired / Lapsed
US
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Organosilicon compounds
Assignee: Individual
•
Filing: 1981-10-16
•
Granted: 1984-07-03
•
Expires: 2001-10-16
Abstract
Abstract There are prepared silafluoroolefins and polymers thereof by reacting carbon with silicon tetrafluoride and a source of hydrogen followed by polymerization. The polymers are useful for architectural purposes.
Inventors
- 👤 Roy E. McAlister
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:09
CPC Classifications
C; C08; C08F; C08F30/00; C08F30/04; C08F30/08; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/12
Claims Analysis
Total Claims: 58
Claim 1
Independent Claim
7 words
Monosilatetrafluoroethylene of the formula SiCF 4 .
Claim 2
Dependent Claim
7 words
Monosilatetrafluoroethylene of the formula SiCF 4 .
Claim 3
Dependent Claim
33 words
A fluorine containing compound of the formula ##STR9## where n is an integer of at least 0 and X is hydrogen or fluorine with the proviso that at least one X is fluorine.
Claim 4
Dependent Claim
33 words
A fluorine containing compound of the formula ##STR9## where n is an integer of at least 0 and X is hydrogen or fluorine with the proviso that at least one X is fluorine.
Claim 5
Dependent Claim
17 words
A fluorine containing compound according to claim 2 where n is an integer from 0 to 3.
Claim 6
Dependent Claim
17 words
A fluorine containing compound according to claim 3 wherein n is an integer from 1 to 3.
Claim 7
Dependent Claim
21 words
A fluorine containing compound according to claim 4 wherein four of the X groups are fluorine and the rest are hydrogen.
Claim 8
Dependent Claim
46 words
A fluorine containing compound according to claim 2 wherein four of the X groups are fluorine and wherein two of the fluorine atoms are attached to the silicon atom and the other two fluorine atoms are attached to a carbon atom adjacent to the silicon atom.
Claim 9
Dependent Claim
12 words
A fluorine containing compound according to claim 3 where n is 0.
Claim 10
Dependent Claim
11 words
A fluorine containing compound according to claim 7 having formula I.
Claim 11
Dependent Claim
11 words
A fluorine containing compound according to claim 7 having formula II.
Claim 12
Dependent Claim
11 words
A fluorine containing compound according to claim 2 having formula I.
Claim 13
Dependent Claim
11 words
A fluorine containing compound according to claim 2 having formula II.
Claim 14
Dependent Claim
12 words
Monosilatetrafluorobutylene of the formula Si C 3 F 4 H 4 .
Claim 15
Dependent Claim
12 words
Monosilatetrafluorobutylene of the formula Si C 3 F 4 H 4 .
Claim 16
Dependent Claim
9 words
Monosilatetrafluorobutylene according to claim 12 having the formula ##STR10##
Claim 17
Dependent Claim
9 words
Monosilatetrafluorobutylene according to claim 12 having the formula ##STR11##
Claim 18
Dependent Claim
28 words
A process for preparing the monosilatetrafluorobutadiene of claim 1 comprising reacting a source of carbon which is carbon, coal or a lower aliphatic hydrocarbon and SiF 4 .
Claim 19
Dependent Claim
17 words
A process according to claim 15 wherein the source of carbon is carbon dissolved in carbon disulfide.
Claim 20
Dependent Claim
44 words
A process for preparing a compound according to claim 2 comprising reacting a source of carbon which is carbon, coal or a lower aliphatic hydrocarbon, a source of fluorine which is SiF 4 or SiCF 4 and a source of hydrogen at elevated temperature.
Claim 21
Dependent Claim
19 words
A process according to claim 17 comprising carrying out the reaction at a temperature of at least 1000° F.
Claim 22
Dependent Claim
14 words
A process according to claim 18 wherein the temperature is 1500° to 2000° F.
Claim 23
Dependent Claim
14 words
A process according to claim 17 wherein the reactants comprise SiF 4 and methane.
Claim 24
Dependent Claim
22 words
A process according to claim 17 wherein the reactants comprise SiCF 4 , a source of carbon and a source of hydrogen.
Claim 25
Dependent Claim
17 words
A process according to claim 21 wherein the reactants comprise SiCF 4 and a lower aliphatic hydrocarbon.
Claim 26
Dependent Claim
12 words
A process according to claim 22 wherein the reactants also include carbon.
Claim 27
Dependent Claim
19 words
A process according to claim 17 wherein the reactants include SiF 4 , carbon and a lower aliphatic hydrocarbon.
Claim 28
Dependent Claim
19 words
A process according to claim 24 wherein the reactants include SiF 4 , coal and a lower aliphatic hydrocarbon.
Claim 29
Dependent Claim
8 words
A polymer of the monomer of claim 1.
Claim 30
Dependent Claim
10 words
A polymer according to claim 26 which is a homopolymer.
Claim 31
Dependent Claim
17 words
A polymer according to claim 26 which is a copolymer of SiCF 4 and a copolymerizable monomer.
Claim 32
Dependent Claim
16 words
A polymer according to claim 28 wherein the copolymerizable monomer is ethylene, propylene or vinyl chloride.
Claim 33
Dependent Claim
23 words
A polymer according to claim 29 wherein the SiCF 4 is employed in an amount of at least 50% of the polymerizable monomers.
Claim 34
Dependent Claim
8 words
A polymer of a monomer of claim 2.
Claim 35
Dependent Claim
10 words
A polymer according to claim 31 which is a homopolymer.
Claim 36
Dependent Claim
14 words
A polymer according to claim 31 which is a copolymer with a copolymerizable monomer.
Claim 37
Dependent Claim
24 words
A polymer according to claim 33 wherein the copolymerizable monomer is present in an amount of not over 50% of the total polymerizable monomer.
Claim 38
Dependent Claim
16 words
A polymer according to claim 34 wherein the copolymerizable monomer is ethylene, propylene or vinyl chloride.
Claim 39
Dependent Claim
12 words
A polymer according to claim 31 of a monomer having formula I.
Claim 40
Dependent Claim
12 words
A polymer according to claim 31 of a monomer having formula II.
Claim 41
Dependent Claim
12 words
A polymer according to claim 31 where n is 0 to 3.
Claim 42
Dependent Claim
19 words
A polymer according to claim 38 wherein four of the X groups are fluorine and the rest are hydrogen.
Claim 43
Dependent Claim
35 words
A polymer according to claim 39 wherein two of the fluorine atoms are attached to the silicon atom and the other two fluorine atoms are attached to a carbon atom adjacent to the silicon atom.
Claim 44
Dependent Claim
8 words
A polymer of the monomer of claim 12.
Claim 45
Dependent Claim
11 words
A copolymer of the monomer of claim 1 and vinyl chloride.
Claim 46
Dependent Claim
10 words
A copolymer of the monomer of claim 1 and ethylene.
Claim 47
Dependent Claim
10 words
A copolymer of the monomer of claim 1 and propylene.
Claim 48
Dependent Claim
10 words
A composition consisting essentially of the compound of claim 1.
Claim 49
Dependent Claim
14 words
A composition consisting essentially of the compound of claim 1 and a copolymerizable monomer.
Claim 50
Dependent Claim
16 words
A composition according to claim 46 wherein the copolymerizable monomer is ethylene, propylene or vinyl chloride.
Claim 51
Dependent Claim
12 words
A composition according to claim 47 wherein the copolymerizable monomer is ethylene.
Claim 52
Dependent Claim
25 words
A composition consisting essentially of the compound of claim 1 and at least one monosilicontetrafluorobutylene of the formula SiC 3 F 4 H 4 .
Claim 53
Dependent Claim
13 words
A composition consisting essentially of at least one compound according to claim 2.
Claim 54
Dependent Claim
31 words
A composition consisting essentially of at least one compound according to claim 2 and a copolymerizable monomer other than SiCF 4 and other than a compound of formula I or II.
Claim 55
Dependent Claim
43 words
A composition consisting essentially of at least one monosilicontetrafluorobutylene of the formula SiC 3 F 4 H 4 according to claim 12 and a copolymerizable monomer other than SiCF 4 and other than of the formula SiC 3 F 4 H 4 .
Claim 56
Dependent Claim
18 words
A polymer according to claim 28 wherein the copolymerizable monomer is ethylene, propylene, vinyl chloride, tetrafluoroethylene or perfluoropropylene.
Claim 57
Dependent Claim
18 words
A polymer according to claim 33 wherein the copolymerizable monomer is ethylene, propylene, vinyl chloride, tetrafluoroethylene or perfluoropropylene.
Claim 58
Dependent Claim
18 words
A composition according to claim 46 wherein the copolymerizable monomer is ethylene, propylene, vinyl chloride, tetrafluoroethylene or perfluoropropylene.
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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) | 1987-07-03 | 1988-01-02 | 1988-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-07-03 | 1992-01-02 | 1992-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-07-03 | 1996-01-02 | 1996-07-03 | $7700.00 | Window Closed / Lapsed |