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US3859320A Expired / Lapsed US ⏱️ 0.0 years remaining

Fluorine-containing organosilicon compounds

Assignee: Imperial Chemical Industries Ltd
•
Filing: 1973-03-12
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Granted: 1975-01-07
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Expires: 1993-03-12
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Abstract

Abstract Silanes and siloxanes having at least one group of the general formula CnF2n-1RaCmH2mSiR''bXcO(4-b-c)/2 where R is a divalent group, R'' is a monovalent hydrocarbon group, X is a hydrolysable group, n is 8, 10 or 12, a is 0 or 1, m is 2, 3 or 4, b is Q, 1 or 2, c is 0, 1, 2 or 3 and b + c is not greater than 3, and uses thereof e.g., in surface treatment of glass fibres.

Inventors

  • 👤 John Heathcote Atherton

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 09:47
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0838; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2938; Y10T428/2962

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 225 words
AN ORGANOSILICON COMPOUND OF THE GENERAL FORMULA: (CNF2N-1 RNCMH2M SIRB1 XCO(3-B-C)/2)X (ZDHE SIO(4-D-E)/2)Y WHERE R IS A DIVALENT GROUP SELECTED FROM THE GROUP CONSISTING OF OXYGEN, ALKYLENE GROUPS HAVING NOT MORE THAN 8 CARBON ATOMS, POLYOXYALKYLENE DIOL RESIDUES, PHENYLENEOXY GROUPS AND PHENYLENEOXY GROUPS CONTAINING SUBSTITUENTS SELECTED FROM THE GROUP CONSISITING OF LOWER ALKYL AND ALKOXY GROUPS AND HALOGEN ATOMS AND IN THE CASE WHERE R IS A PHENYLENEOXY OR A SUBSTITUTED PHENYLENEOXY GROUP, THE GROUP R BEING OPTIONALLY LINKED TO THE GROUP CM H2M VIA A GROUP SELECTED FROM THE GROUP CONSISTING OF SULPHONAMIDO AND CARBOXYL GROUPS, R1 IS SELECTED FROM THE GROUP CONSISTING OF METHYL AND PHENYL GROUPS, X IS SELECTED FROM THE GROUP CONSISTING OF HALOGEN ATOMS, LOWER ALKOXY GROUPS, SUBSITUTED LOWER ALKOXY GROUPS AND POLYOXYALKYLENE GROUPS, Z IS SELECTED FROM THE GROUP CONSISTING OF LOWER ALKYL GROUPS AND PHENOL, A IS 0 OR 1, B IS 0, 1 OR 2, C IS 0, 1,2 OR 3, B+C IS NOT GREATER THAN 3, D IS 0, 1, 2, OR 3, E IS 0 OR 1 AND D+E IS NOT GREATER THAN 3, N IS 8, 10, OR 12, M IS 2, 3 OR 4, X IS A POSITIVE INTEGER, WHEN B + C IS 3 V IS 0, AND WHEN B + C IS NOT GREATER THAN 2, Y IS A POSITIVE INTEGER.
Claim 2
Dependent Claim 225 words
AN ORGANOSILICON COMPOUND OF THE GENERAL FORMULA: (CNF2N-1 RNCMH2M SIRB1 XCO(3-B-C)/2)X (ZDHE SIO(4-D-E)/2)Y WHERE R IS A DIVALENT GROUP SELECTED FROM THE GROUP CONSISTING OF OXYGEN, ALKYLENE GROUPS HAVING NOT MORE THAN 8 CARBON ATOMS, POLYOXYALKYLENE DIOL RESIDUES, PHENYLENEOXY GROUPS AND PHENYLENEOXY GROUPS CONTAINING SUBSTITUENTS SELECTED FROM THE GROUP CONSISITING OF LOWER ALKYL AND ALKOXY GROUPS AND HALOGEN ATOMS AND IN THE CASE WHERE R IS A PHENYLENEOXY OR A SUBSTITUTED PHENYLENEOXY GROUP, THE GROUP R BEING OPTIONALLY LINKED TO THE GROUP CM H2M VIA A GROUP SELECTED FROM THE GROUP CONSISTING OF SULPHONAMIDO AND CARBOXYL GROUPS, R1 IS SELECTED FROM THE GROUP CONSISTING OF METHYL AND PHENYL GROUPS, X IS SELECTED FROM THE GROUP CONSISTING OF HALOGEN ATOMS, LOWER ALKOXY GROUPS, SUBSITUTED LOWER ALKOXY GROUPS AND POLYOXYALKYLENE GROUPS, Z IS SELECTED FROM THE GROUP CONSISTING OF LOWER ALKYL GROUPS AND PHENOL, A IS 0 OR 1, B IS 0, 1 OR 2, C IS 0, 1,2 OR 3, B+C IS NOT GREATER THAN 3, D IS 0, 1, 2, OR 3, E IS 0 OR 1 AND D+E IS NOT GREATER THAN 3, N IS 8, 10, OR 12, M IS 2, 3 OR 4, X IS A POSITIVE INTEGER, WHEN B + C IS 3 V IS 0, AND WHEN B + C IS NOT GREATER THAN 2, Y IS A POSITIVE INTEGER.
Claim 3
Dependent Claim 23 words
Organosilicon compounds as claimed in claim 1 wherein the group X is selected from the group consisting of chlorine, methoxy and ethoxy groups.
Claim 4
Dependent Claim 13 words
Organosilicon compounds as claimed in claim 1 wherein Z is a methyl group.
Claim 5
Dependent Claim 88 words
A process for the production of organosilicon compounds as claimed in claim 1 wherein a is 1 and R is selected from the group consisting of phenyleneoxy and substituted phenyleneoxy groups comprising reacting a tetrafluoroethylene oligomer of the general formula CnF2n where n is 8, 10, or 12 with a phenol selected from the group consisting of allylphenol and substituted allylphenols and thereafter reacting the product so obtained with an organosilicon compound containing at least one silicon-bonded hydrogen atom selected from the group consisting of silanes and siloxanes.
Claim 6
Dependent Claim 44 words
A process for the production of organosilicon compounds as claimed in claim 1 comprising reacting a compound of the general formula CnF2nOC6H4SO2Cl where n is 8, 10 or 12 with a gamma -aminoalkyl silicon compound selected from the group consisting of silanes and siloxanes.
Claim 7
Dependent Claim 16 words
A process according to claim 5 wherein the gamma aminoalkyl group is a gamma aminopropyl group.
Claim 8
Dependent Claim 66 words
A process for the production of organosilicon compounds as claimed in claim 1 comprising reacting a compound of the general formula CnF2nOC6H4SO2Cl where n is 8, 10 or 12 with an olefin selected from the group consisting of allylamine and alkylallylamines and thereafter reacting the product with a silicon compound containing at least one silicon-bonded hydrogen atom selected from the group consisting of silanes and siloxanes.
Claim 9
Dependent Claim 60 words
A process for the production of an organosilicon compound as claimed in claim 1 comprising reacting a compound of the general formula CnF2n where n is 8, 10 or 12 with an alkenyl magnesium bromide and thereafter reacting the product with a silicon compound containing at least one silicon-bonded hydrogen atom selected from the group consisting of silanes and siloxanes.

References Cited (Backward Citations)

US3012006A Cited
US3002951A Cited
US3038000A Cited
US3478076A Cited
US3560542A Cited
US3681418A Cited
US3681266A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-01-06 1978-07-08 1979-01-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-01-06 1982-07-08 1983-01-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-01-06 1986-07-08 1987-01-07 $7700.00 Window Closed / Lapsed

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