Patents Assigned to Zemex Corporation
  • Process for the preparation of methyltin chlorides
    Patent number: 4658046
    Abstract: Methyltin trichloride and dimethyltin dichloride are prepared in high yields without pressure using pentavalent organophosphorous dihalides as a catalyst. The catalyst may be reused for multiple sequential preparations of the methyltin chlorides.
    Type: Grant
    Filed: July 8, 1985
    Date of Patent: April 14, 1987
    Assignee: Zemex Corporation
    Inventor: Carl R. Gloskey