Patents by Inventor Adolf Knappwost

Adolf Knappwost 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).

  • Agent for increasing the pH value of dental plaque and process for its preparation
    Patent number: 4847086
    Abstract: An agent for increasing the pH value of dental plaque, which contains at least one highly disperse, poorly soluble oxide, hydroxide or pure salt of one or more alkaline earth metal elements and a weak acid, having a specific surface area greater than 6 m.sup.2 /g and a concentration of lattice defects which corresponds to a half width of the X-ray peaks for Cu-K.alpha. radiation at glancing angles from 20.degree. to 23.degree. of more than 0.25 degrees, and a process for its preparation.
    Type: Grant
    Filed: January 28, 1988
    Date of Patent: July 11, 1989
    Assignee: Neutralith Antikaries GmbH & Co. KG
    Inventor: Adolf Knappwost