US3903123A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorine-containing organopolysiloxanes, process for their manufacture, and their use
Assignee: Novartis AG
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Filing: 1973-12-07
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Granted: 1975-09-02
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Expires: 1993-12-07
Abstract
Abstract New fluorine-containing organopolysiloxanes are provided which are obtained by reaction in known manner of organopolysiloxanes which contain hydrogen atoms bonded to silicon, a perfluoroalkyl compound of the formula
Inventors
- 👤 Hans Deiner
- 👤 Franz Mosch
- 👤 Bernhard Sandner
- 👤 Willy Bernheim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:02
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/38; C08G77/382; C08G77/392; D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/643; D06M15/6436
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
31 words
FLUORINE-CONTAINING ORGANOPOLYSILOXANES WHICH ARE THE REACTION PRODUCTS OF A. ORGANOPOLYSILOXANES IN WHICH ONLY HYDROGEN AND ALKYL OR ARYL GROUPS ARE BONDED TO SILICON AND B. A PERFLUOROALKYL COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
31 words
FLUORINE-CONTAINING ORGANOPOLYSILOXANES WHICH ARE THE REACTION PRODUCTS OF A. ORGANOPOLYSILOXANES IN WHICH ONLY HYDROGEN AND ALKYL OR ARYL GROUPS ARE BONDED TO SILICON AND B. A PERFLUOROALKYL COMPOUND OF THE FORMULA
Claim 3
Dependent Claim
30 words
Fluorine-containing organopolysiloxanes according to claim 1, which are the reaction products of from 1 to 5 gram atoms of the organopolysiloxane a) and 1 mol of the perfluoroalkyl compound b).
Claim 4
Dependent Claim
48 words
Fluorine-containing organopolysiloxanes which are the reaction products of a. organopolysiloxanes in which only hydrogen and alkyl or aryl groups are bonded to silicon, b. a perfluoroalkyl compound of the formula Rf-SO2-NH-CH2-CH CH2 wherein Rf represents perfluoroalkyl with 6 to 14 carbon atoms, and c. a fluorine-free vinyl monomer.
Claim 5
Dependent Claim
48 words
Fluorine-containing organopolysiloxanes which are the reaction products of a. organopolysiloxanes in which only hydrogen and alkyl or aryl groups are bonded to silicon, b. a perfluoroalkyl compound of the formula Rf-SO2-NH-CH2-CH CH2 wherein Rf represents perfluoroalkyl with 6 to 14 carbon atoms, and c. a fluorine-free vinyl monomer.
Claim 6
Dependent Claim
22 words
Fluorine-containing organopolysiloxanes according to claim 3 wherein the molar ratio between the perfluoroalkyl compound b) and the vinyl monomer c) is 1:1.
Claim 7
Dependent Claim
27 words
Fluorine-containing organopolysiloxanes according to claim 2, wherein the ratio is 2 to 3 gram atoms of said organopolysiloxane a) to 1 mol of said perfluoroalkyl compound b).
Claim 8
Dependent Claim
20 words
Fluorine-containing polysiloxanes according to claim 1, wherein the polysiloxanes a) have a viscosity from 1 to 1,000 centistokes at 20*C.
Claim 9
Dependent Claim
13 words
Fluorine-containing polysiloxanes according to claim 6, wherein the polysiloxanes a) have the formulae
Claim 10
Dependent Claim
30 words
Fluorine-containing polysiloxanes according to claim 7, wherein in the polysiloxanes a), R1 represents methyl or alkyl, R2 represents methyl, ethyl, or phenyl, and n or (n+m) is 25 to 200.
Claim 11
Dependent Claim
38 words
Fluorine-containing polysiloxanes according to claim 6, wherein the polysiloxanes a) are a hydrogen methyl polysiloxane having 20 to 40 centistokes at 20*C and a polysiloxane copolymer of hydrogen methyl siloxane and dimethyl siloxane having 200 centistokes at 20*C.
Claim 12
Dependent Claim
70 words
Fluorine-containing organopolysiloxanes according to claim 3, wherein the fluorine-free vinyl polymers are (1) vinyl ethers with 8 to 18 carbon atoms in the radical which is substituted at the vinyl ether group, (2) vinyl esters of aliphatic straight-chain or branched acids with at least 6 carbon atoms, (3) Alpha -olefines with 6 to 18 carbon atoms, (4) allyl ethers or allyl esters, (5) vinyl halides or (6) aromatic vinyl compounds.
Claim 13
Dependent Claim
21 words
Fluorine-containing organopolysiloxanes according to claim 10, wherein said polymers are vinyl esters of branched acids with 9 to 11 carbon atoms.
Claim 14
Dependent Claim
18 words
Fluorine-containing organopolysiloxanes according to claim 10, wherein said polymers are Alpha -olefines with 6 to 10 carbon atoms.
Claim 15
Dependent Claim
35 words
Fluorine-containing organopolysiloxanes according to claim 1, wherein component b) is of the formula CF3 - (CF2)n - SO2 - NH - CH - CH CH2 wherein n is a whole number from 7 to 11.
Claim 16
Dependent Claim
38 words
Fluorine-containing organopolysiloxanes according to claim 3 which are the reaction product of 1 to 5 gram atoms of the organopolysiloxane a), 1 mol of the perfluoroalkyl compound b), and up to 3 mols of the fluorine-free monomer c).
Claim 17
Dependent Claim
26 words
Fluorine-containing organopolysiloxanes according to claim 14, which are the reaction product of 1 to 3 gram atoms of hydrogen bonded to silicon of the organopolysiloxane a).
Claim 18
Dependent Claim
26 words
Fluorine-containing organopolysiloxanes according to claim 2, which are the reaction product of 1 to 3 gram atoms of hydrogen bonded to silicon of the organopolysiloxane a).
Claim 19
Dependent Claim
13 words
Fluorine-containing organopolysiloxanes according to claim 13, wherein n is from 7 to 9.
Claim 20
Dependent Claim
20 words
Fluorine-containing polysiloxanes according to claim 6 wherein the polysiloxanes a) has a viscosity from 10 to 300 centistokes at 20*C.
References Cited (Backward Citations)
US3597457A
Cited
US3789252A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-09-01 | 1979-03-03 | 1979-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-01 | 1983-03-03 | 1983-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-01 | 1987-03-03 | 1987-09-02 | $7700.00 | Window Closed / Lapsed |