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US3725305A Expired / Lapsed US ⏱️ 0.0 years remaining

Catalyst compositions formed by transition metal cations and methods of making and using such catalysts

Assignee: Johnson Matthey PLC
•
Filing: 1970-07-07
•
Granted: 1973-04-03
•
Expires: 1990-07-07
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Abstract

Abstract Catalyst compositions containing the cations M22 , M2(OCOR)4 nn , M2(OCSR)4 nn , M2(OCSR)4 n WHERE M is a transition metal which are useful for hydrogenation, hydroformylation, carbonylation, isomerization, disproportionation, and hydrosilation reactions, and methods of making by protonation of corresponding carboxylates, thiocarboxylates, or dithiocarboxylates.

Inventors

  • 👤 G Wilkinson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 23:44
CPC Classifications
C; C07; C07F; C07F15/00; C07F15/0006; C07F15/0046; C07F15/0053; B; B01; B01J; B01J31/00; B01J31/16; B01J31/18; B01J31/1805; B01J31/181; B01J31/22; B01J31/2204; B01J31/2208; B01J31/2226; B01J31/223; B01J31/2239; B01J31/24; B01J31/2404; C07C; C07C45/00; C07C45/49; C07C45/50; C07C5/00; C07C5/02; C07C5/03; C07C5/05; C07C5/08; C07C5/09; C07C51/00; C07C51/10; C07C51/12; C07C51/41; C07C51/412; C07C53/00; C07C53/08; C07C53/10; C07F1/00; C07F1/005; C07F11/00; C07F11/005; C07F15/0013; C07F9/00; C07F9/02; B01J2231/00; B01J2231/60; B01J2231/64; B01J2231/641; B01J2231/645; B01J2531/00; B01J2531/02; B01J2531/0213; B01J2531/0219; B01J2531/80; B01J2531/82; B01J2531/821; C07C2531/00; C07C2531/02; C07C2531/04; C07C2531/16; C07C2531/22; C07C2531/24; Y; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/906

Claims Analysis

Total Claims: 19
Claim 1
Independent Claim 25 words
A catalyst solution according to claim 1 in which the metal of the platinum group is selected from the group consisting of rhodium and ruthenium.
Claim 2
Dependent Claim 23 words
A catalyst solution according to claim 2 in which a platinum group metal and triphenylphosphine are present in the approximate ratio of 1:2.
Claim 3
Dependent Claim 41 words
A catalyst solution according to claim 1 in which the strong acid is selected from the group consisting of fluoroboric acid, perchloric acid, fluorosulphuric acid, trifluoromethane sulphuric acid, sulphuric acid, hydrofluoric acid and hydrofluoric acid in combination with a Lewis acid.
Claim 4
Dependent Claim 24 words
A catalyst solution according to claim 4 in which the Lewis acid is selected from the group consisting of a SbF5, SiF4 and BF3.
Claim 5
Dependent Claim 26 words
A catalyst solution according to claim 1 in which R is selected from the group consisting of C2H5, C3H7, CCl3, CF3, CH2Cl, CH3, CH3.C6H5 and napthyl.
Claim 6
Dependent Claim 25 words
A catalyst solution according to claim 1 in which M2(OCOR)4 is selected from the group consisting of Rh2(OCOCH3)4 Mo2(OCOCH3)4 Cr2(OCOCH3)4 Ru2(OCOCH3)4 Cu2(OCOCH3)4 Re2(OCOCH3)4 and Ir2(OCOCH3)4.
Claim 7
Dependent Claim 12 words
A catalyst solution according to claim 1 in which M2(OCOR)4L is Ru2(OCOCH3)4Cl.
Claim 8
Dependent Claim 20 words
A catalyst solution according to claim 1 in which M2(OCOR)L2 is selected from the group consisting of Re2(OCOCH3)4Cl2 and Re2(OCOCH3)4(CO)2.
Claim 9
Dependent Claim 25 words
A catalyst solution according to claim 1 in which M2(OCSR)4 is selected from the group consisting of Rh2(OCSCH3)4 Mo2(OCSCH3)4 Cr2(OCSCH3)4 Ru2(OCSCH3)4 Cu2(OCSCH3)4 Re2(OCSCH3)4 and Ir2(OCSCH3)4.
Claim 10
Dependent Claim 12 words
A catalyst solution according to claim 1 in which M2(OCSR)4L is Ru2(OCSCH3)4Cl.
Claim 11
Dependent Claim 20 words
A catalyst solution according to claim 1 in which M2(OCSR)L2 is selected from the group consisting of Re2(OCSCH3)4Cl2 and Re2(OCSCH3)4(CO)2.
Claim 12
Dependent Claim 24 words
A catalyst solution according to claim 1 in which M2(SCSR)4 is selected from the group consisting of Rh2(SCSCH3)4 Mo2(SCSCH3)4 Cr2(SCSCH3)4 Ru2(SCSCH3)4 Cu2(SCSCH3)4 Re2(SCSCH3)4 Ir2(SCSCH3)4.
Claim 13
Dependent Claim 12 words
A catalyst solution according to claim 1 in which M2(SCSR)4L is Ru2(SCSCH3)4Cl.
Claim 14
Dependent Claim 20 words
A catalyst solution according to claim 1 in which M2(SCSR)4L2 is selected from the group consisting of Re2(SCSR)4Cl2 and Re2(SCSR)4(CO)2.
Claim 15
Dependent Claim 42 words
A catalyst composition consisting essentially of a cation exchange solid having exchanged on to it a cation selected from the group consisting of M2n M2(OCOR)4 nn M2(OCSR)4 nn and M2(SCSR)4 nn by passage through it of a solution according to claim 1.
Claim 16
Dependent Claim 26 words
A catalyst composition according to claim 16 in which the cation exchange solid is selected from the group consisting of cation exchange resins, zeolites and phosphates.
Claim 17
Dependent Claim 23 words
A catalyst composition according to claim 17 in which the cation exchange rEsin is in the form of porous sulphonated polystyrene resin beads.
Claim 18
Dependent Claim 13 words
A catalyst composition according to claim 1 when adsorbed on to activated charcoal.
Claim 19
Dependent Claim 32 words
A catalyst composition according to claim 1 prepared by the protonation of any of the following: Rh2(OCOMe)4, Rh2(OCOMe)4,2PPh3, Rh2(OCOMe)4.(C5H5N)2, Rh2(OCOPh)4, Rh2(OCOPh)4.2PPh3, Rh2(OCOPh)4.(C5H5N)2, Ru2(OCOMe)4, Ru2(OCOMe)4Cl, Ru2(OCOMe)4Cl2, Ru2(OCOMe)4.2PPh3, Ru2(OCOMe)4.(C5H5N)2, Ru2(OCOPh)4, Ru2(OCOPh)4.2PPh3 or Ru2(OCOPh)4 (C5H5N)2.

References Cited (Backward Citations)

US3574734A Cited
US3511885A Cited
US3558517A Cited
US3542751A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-04-02 1976-10-02 1977-04-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-04-02 1980-10-02 1981-04-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-04-02 1984-10-02 1985-04-03 $7700.00 Window Closed / Lapsed

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