Patents by Inventor Monica Soderlund

Monica Soderlund has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Process for preparation of branched 1,3-glycols and their monoesters
    Patent number: 5166413
    Abstract: The present invention relates to a process for the preparation of diols of the general formula (I) ##STR1## and monoesters thereof of the general formula (II) ##STR2## and the general formula (III) ##STR3## wherein R.sub.1 and R.sub.2 are the same of different groups and each denotes a lower alkyl group having 1 to 4 carbon atoms, preferably a methyl group. The process of this invention comprises condensing in a multi-phase reaction environment an aldehyde containing a hydrogen atom in the alpha position and having the general formula (IV) ##STR4## wherein R.sub.1 and R.sub.2 having the meaning given above, in the presence of a catalytic system consisting of a phase transferring catalyst and an alkaline substance.
    Type: Grant
    Filed: December 26, 1991
    Date of Patent: November 24, 1992
    Assignee: Neste Oxo Aktiebolag
    Inventors: Kjell Ankner, Pia Carlsson, Alfred Hopfinger, Hakan Rahkola, Kjell Sjoberg, Monica Soderlund