Patents Examined by Bruce D. Grav
  • Process for the preparation of alkylthioalkanoate salts
    Patent number: 4883911
    Abstract: A process for the preparation of alkylthioalkanoate salts by reaction of an alkali metal alkylmercaptide with a lactone in the presence of an aprotic polar organic solvent. Preferably, the alkali metal mercaptide is prepared by reaction of an alkylmercaptan and an alkali metal phenate.
    Type: Grant
    Filed: October 6, 1988
    Date of Patent: November 28, 1989
    Assignee: Monsanto Company
    Inventor: Dennis A. Ruest