Patents by Inventor Henry Petrow

Henry Petrow 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 removing metal ions and compounds from the hair
    Patent number: 4581229
    Abstract: A hair treating solution and method are provided for improving hair quality and aiding in removal of inorganic substances from hair. Metals such as copper, iron, manganese, nickel and the like, if attached to hair after swimming or other hair-exposure thereto, can be removed by the use of soluble lanthanum salt in a simple rinsing method.
    Type: Grant
    Filed: April 27, 1984
    Date of Patent: April 8, 1986
    Inventor: Henry Petrow