Patents by Inventor Tapio Mattila, deceased

Tapio Mattila, deceased 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).

  • Method for the preparation of aqueous solutions containing performic acid as well as their use
    Patent number: 6049002
    Abstract: The method for the preparation of aqueous solutions containing performic acid formed by reaction of formic acid and hydrogen peroxide n the presence of a catalyst, the catalyst being a compound containing at least one ester group and/or group (a) differing from a carboxylic acid group and an alcoholic group, preferably a carboxylic acid ester, and aqueous solutions containing performic acid, formic acid, hydrogen peroxide, and a compound containing at least one ester group and/or group (a) differing from a carboxylic acid group, and the use of such solutions.
    Type: Grant
    Filed: October 28, 1996
    Date of Patent: April 11, 2000
    Assignee: Kemira Chemicals B.V.
    Inventors: Tapio Mattila, deceased, Reijo Aksela