Patents by Inventor Walter Cholcha

Walter Cholcha 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).

  • Nitroglycerin pump spray
    Patent number: 5186925
    Abstract: The invention relates to a nitroglycerin pump spray containing 0.2 to 3.5% by wt. of nitroglycerin and up to 3% by wt. of customary additives such as flavoring agent or antioxidants and a liquid phase consisting of aliphatic C.sub.2 to C.sub.4 alcohols and a vehicle and is characterized in that the liquid phase consists of 10 to 40% by wt. of ethyl alcohol and 90 to 60% by wt. of a neutral oil.
    Type: Grant
    Filed: March 6, 1991
    Date of Patent: February 16, 1993
    Assignee: G. Pohl-Boskamp GmbH & Co.
    Inventor: Walter Cholcha