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US3907850A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of producing unsaturated organosilicon compounds

Assignee: Czech Academy of Sciences
•
Filing: 1973-11-23
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Granted: 1975-09-23
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Expires: 1993-11-23
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Abstract

Abstract Method of producing unsaturated organosilicon compounds by hydrosilylation of conjugated dienic hydrocarbons by organosilicon hydrides of the common formulae R2SiHCl2, SiHCl3, (R3O)3SiH, where R2 means methyl, ethyl or phenyl group, and R3 is methyl, ethyl, propyl, 2-methoxyethyl and 2-ethoxyethyl-group, in the presence of catalysts consisting of compounds of zerovalent and of divalent nickel. The reactants are contacted at a temperature within the range of 70* to 200*C.

Inventors

  • 👤 Martin Capka
  • 👤 Petr Svoboda
  • 👤 Jiri Hetflejs
  • 👤 Vladimir Bazant
  • 👤 Petr Bazant
  • 👤 Vera Bazantova
  • 👤 Jan Bazant

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 23:48
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/18; C07F7/1804; C07F7/1872; C07F7/1876; C07F7/12; C07F7/14

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 182 words
A PROCESS FOR THE PRODUCTION OF UNDSATURATED ORGANOSILICON COMPOUNDS COMPRISING REACTING TOGETHER IN THE PRESENCE OF A NICKEL COMPOUND A SILICON COMPOUND AND A DIENIC HYDROCARBON SAID NICKEL COMPOUND BEING (1,5 CYCOOCTADIENE) NICKEL, TETRACARBONYLNICKEL, BIS (TRIPHENYLPHOSPHINE) DICARBONYLNICKEL, AND TETRAKIS (TRIPHENYLPHOSPHINE) NICKEL, A NICKEL COMPLEX OF THE FORMULA L2 NIX2 WHERE L2 IS CHOSEN FROM THE GROUP CONSISTING OF TWO MOLECULES OF TRIPHENYPHOSPHINE AND ONE MOLECULE OF 1,2-BIS (DIPHENYLPHOSPHINE) RETHANE AND X IS CHOSEN FROM THE GROUP CONSISTING OF CHLORINE, BROMINE AND IODINE ATOM, A CYANO GROUP, AND A NICKEL SALT SELECTED FROM THE GROUP CONSISTING OF A NICKEL CHLORIDE, NICKEL BROMIDE NICKEL IODIDE, NICKEL NITRITE NICKEL LACTATE AND NICKEL ACETYLACETONATE CORDINATELY LOUND TO A TERLIARY PHOSPHINE SELECTED FROM THE GROUP CONSISTING OF TRIPHEYLPHOSPINE, TRIBUTYPHOSPINE, 1 2-BIS (PIPNENYLPHOSPHINO) ENAMINE, 1,2-BIS (DIPHENYLPHOSPHINO) BENZENE AND A TERTIARY AMINE SELECTED FROM THE GROUP CONSISTING OF TRIETHYLAMINE, TRIPROPLAMINE, AND TRIBUTYLAMINE, SAID SILICON COMPOUND BEING SELECTED FROM THE GROUP CONSISTING OF DICHLOROMETHYLSILANE, DICHLOROETHYLSILANE, DICHLOROPHENYLSILANE, TRICHLOROSILANE, TRIETHOXYSILANE, TRIPROPOXYSILANE, TRIS (2-METHOXYETHOXYSILANE) AND TRIS (2-ETHOXYETHOXY) SILANE, AND SAID DIENIC HYDROCARBON BEING SELECTED FROM THE GROUP CONSISTING OF 1,3-BUTADIENE, ISOPRENE, AND PIPERYLENE.
Claim 2
Dependent Claim 182 words
A PROCESS FOR THE PRODUCTION OF UNDSATURATED ORGANOSILICON COMPOUNDS COMPRISING REACTING TOGETHER IN THE PRESENCE OF A NICKEL COMPOUND A SILICON COMPOUND AND A DIENIC HYDROCARBON SAID NICKEL COMPOUND BEING (1,5 CYCOOCTADIENE) NICKEL, TETRACARBONYLNICKEL, BIS (TRIPHENYLPHOSPHINE) DICARBONYLNICKEL, AND TETRAKIS (TRIPHENYLPHOSPHINE) NICKEL, A NICKEL COMPLEX OF THE FORMULA L2 NIX2 WHERE L2 IS CHOSEN FROM THE GROUP CONSISTING OF TWO MOLECULES OF TRIPHENYPHOSPHINE AND ONE MOLECULE OF 1,2-BIS (DIPHENYLPHOSPHINE) RETHANE AND X IS CHOSEN FROM THE GROUP CONSISTING OF CHLORINE, BROMINE AND IODINE ATOM, A CYANO GROUP, AND A NICKEL SALT SELECTED FROM THE GROUP CONSISTING OF A NICKEL CHLORIDE, NICKEL BROMIDE NICKEL IODIDE, NICKEL NITRITE NICKEL LACTATE AND NICKEL ACETYLACETONATE CORDINATELY LOUND TO A TERLIARY PHOSPHINE SELECTED FROM THE GROUP CONSISTING OF TRIPHEYLPHOSPINE, TRIBUTYPHOSPINE, 1 2-BIS (PIPNENYLPHOSPHINO) ENAMINE, 1,2-BIS (DIPHENYLPHOSPHINO) BENZENE AND A TERTIARY AMINE SELECTED FROM THE GROUP CONSISTING OF TRIETHYLAMINE, TRIPROPLAMINE, AND TRIBUTYLAMINE, SAID SILICON COMPOUND BEING SELECTED FROM THE GROUP CONSISTING OF DICHLOROMETHYLSILANE, DICHLOROETHYLSILANE, DICHLOROPHENYLSILANE, TRICHLOROSILANE, TRIETHOXYSILANE, TRIPROPOXYSILANE, TRIS (2-METHOXYETHOXYSILANE) AND TRIS (2-ETHOXYETHOXY) SILANE, AND SAID DIENIC HYDROCARBON BEING SELECTED FROM THE GROUP CONSISTING OF 1,3-BUTADIENE, ISOPRENE, AND PIPERYLENE.
Claim 3
Dependent Claim 27 words
A process as in claim 1, in which the reaction is effected by heating the reaction mixture at a temperature within the range of 70* to 170*C.

References Cited (Backward Citations)

US2721873A Cited
US2823218A Cited
US2908699A Cited
US2907784A Cited
US2970150A Cited
US3658866A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-09-22 1979-03-24 1979-09-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-09-22 1983-03-24 1983-09-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-09-22 1987-03-24 1987-09-23 $7700.00 Window Closed / Lapsed

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