Patents by Inventor Antti Heinänen

Antti Heinänen 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 preventing growth of microorganisms, and a combination for the prevention of microbial growth
    Patent number: 9272927
    Abstract: According to the invention, a method for the prevention of microbial growth in process waters is provided, wherein first a peracid compound, and thereafter a halogenated dialkyl hydantoin are dosed into said process water. Further, according to the invention, a combination for the prevention of microbial growth is provided, said combination comprising compounds to be dosed separately, said compounds being a peracid compound to be dosed first, and a halogenated dialkyl hydantoin to be dosed after the peracid compound, the weight ratio of the peracid compound to the halogenated dialkyl hydantoin being at least 2:1, wherein the amount of the peracid compound is calculated as active agent, while the amount of halogenated dialkyl hydantoin is calculated as active chlorine.
    Type: Grant
    Filed: November 7, 2007
    Date of Patent: March 1, 2016
    Assignee: KEMIRA, OYJ
    Inventors: Marko Kolari, Antti Heinänen
  • Method for Preventing Growth of Microorganisms, and a Combination for the Prevention of Microbial Growth
    Publication number: 20100267791
    Abstract: According to the invention, a method for the prevention of microbial growth in process waters is provided, wherein first a peracid compound, and thereafter a halogenated dialkyl hydantoin are dosed into said process water. Further, according to the invention, a combination for the prevention of microbial growth is provided, said combination comprising compounds to be dosed separately, said compounds being a peracid compound to be dosed first, and a halogenated dialkyl hydantoin to be dosed after the peracid compound, the weight ratio of the peracid compound to the halogenated dialkyl hydantoin being at least 2:1, wherein the amount of the peracid compound is calculated as active agent, while the amount of halogenated dialkyl hydantoin is calculated as active chlorine.
    Type: Application
    Filed: November 7, 2007
    Publication date: October 21, 2010
    Inventors: Marko Kolari, Antti Heinänen