Patents by Inventor Ernst G. E. von Haartman

Ernst G. E. von Haartman 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).

  • pH-Adjusting and chlorine reducing composition
    Patent number: 4472186
    Abstract: The present invention relates to a fertilizer composition in the form of a dry dosage unit intended to be dissolved in a watering water and thereby to adjust the water with regard to its pH and chlorine content, whereby the fertilizer comprises, besides mineral nutrients, two or polyvalent acids or acid salts for pH-adjustment and a water soluble thiosulphate for the reduction of chlorine present in the water.
    Type: Grant
    Filed: September 17, 1982
    Date of Patent: September 18, 1984
    Inventor: Ernst G. E. von Haartman