Nitrogen And The Metal Bonded Directly To The Same Benzene Ring (e.g., Arsanilic Acids, Etc.) Patents (Class 556/74)
Having -c(=x)-, wherein x is chalcogen, attached directly or indirectly to the nitrogen by acyclic nononic bonding (Class 556/75)
  • Method for manufacturing cobalt catalysts
    Patent number: 5597936
    Abstract: A method for manufacturing cobalt complexes having the formula:[Co(NH.sub.3).sub.5 M]T.sub.ywherein M ligands are selected from substituted and unsubstituted C.sub.1 -C.sub.30 carboxylic acids having the formulas:RC(O)O--;said method comprising reacting cobalt (II) complexes having the formula [Co(H.sub.2 O).sub.6 ] T.sub.y (e.g., T is chloride) with concentrated ammonium hydroxide/ammonium chloride, followed by an oxidizing agent (e.g., peroxide), followed by carboxylic acid anhydride of the formula RC(O)O(O)CR.
    Type: Grant
    Filed: July 27, 1995
    Date of Patent: January 28, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Christopher M. Perkins, Mark R. Sivik
  • Method for manufacturing cobalt catalysts
    Patent number: 5559261
    Abstract: A method for manufacturing cobalt complexes having the formula:[Co(NH.sub.3).sub.5 OAc]T.sub.ysaid method comprising reacting cobalt (II) acetate having the formula Co(OAc).sub.2 4H.sub.2 O with concentrated ammonium hydroxide/ammonium acetate, followed by oxidizing agent (e.g., peroxide).
    Type: Grant
    Filed: July 27, 1995
    Date of Patent: September 24, 1996
    Assignee: The Procter & Gamble Company
    Inventor: Mark R. Sivik