Patents by Inventor Merja Holma

Merja Holma 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 carnitine esters and their use
    Publication number: 20070178125
    Abstract: This invention covers a novel process for the preparation of carnitine esters of starch and other hydroxy polymers from ?-lactone of carnitine and their use as additives in the manufacture of paper, paperboard or cardboard, in waste water treatment, as a textile sizing agent and in cosmetic or pharmaceutical compositions.
    Type: Application
    Filed: May 19, 2004
    Publication date: August 2, 2007
    Inventors: Aki Laine, Salme Koskimies, Jouko Kaki, Hendrik Jan Luttikhedde, Kari Nurmi, Merja Holma, Kalle Nurmi, Anna Nurmi, Karin Latini, Jari Yli-Kauhaluoma
  • Process for the preparation of hydroxy polymer esters and their use
    Publication number: 20070009464
    Abstract: This invention covers a novel method for the preparation of hydroxy polymer esters of amino, alkylamino and quaternary ammonium acids and their use in several fields of industry, incuding the use as additives in the manufacture of paper or paperboard. The esterification of the hydroxy polymer, preferably starch, is performed under semianhydrous conditions by heating homogenized mixtures of the hydroxy polymer and reagents.
    Type: Application
    Filed: May 19, 2004
    Publication date: January 11, 2007
    Inventors: Aki Laine, Jouko Kaki, Hendrik Luttikhedde, Kari Nurmi, Merja Holma, Kalle Nurmi, Anna Nurmi, Karin Latini, Jarl Yli-Kauhaluoma
  • Compound feed containing histidine and process for its preparation
    Patent number: 6231916
    Abstract: The object of the invention is a compound feed to be given especially as a silage supplement, for increasing the protein-fat-ratio of the milk and improving nitrogen utilization of a dairy cow. The compound feed is characterized in that its crude protein content is not more than 14% by weight as calculated from the weight of the compound feed, whereby the histidine fraction of the crude protein preferably is between 2.8 to 4.0% by weight.
    Type: Grant
    Filed: July 12, 1999
    Date of Patent: May 15, 2001
    Assignee: Rehuraisio Oy
    Inventors: Pekka Huhtanen, Tuomo Varvikko, Aila Vanhatalo, Ilmo Aronen, Merja Holma