Patents by Inventor Gerald D. Nagel

Gerald D. Nagel 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 of conditioning hair
    Patent number: 4494557
    Abstract: A method of conditioning human hair to provide a long lasting permanent hair wave includes the step of applying a reforming mixture to the hair after applying a wave solution but before applying a neutralizer solution. The reforming mixture includes magnesium sulfate, water and a hair reconstructor solution with a magnesium sulfate to reconstructor weight ratio within the range of from about 0.7 to 1 to about 2.7 to 1 and a water to reconstructor weight ratio within the range of from about 1 to 1 to about 3.5 to 1.
    Type: Grant
    Filed: September 20, 1982
    Date of Patent: January 22, 1985
    Inventor: Gerald D. Nagel