Patents by Inventor Stig Ake Dahlgren

Stig Ake Dahlgren 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 the preparation of furfural
    Patent number: 4076733
    Abstract: The invention relates to a process for the preparation of furfural from a carbohydrate, comprising subjecting a lactose-containing material to steam distillation, whereby at least part of the lactose present is converted to furfural.
    Type: Grant
    Filed: March 31, 1976
    Date of Patent: February 28, 1978
    Assignee: Carbos AG
    Inventor: Stig Ake Dahlgren