Patents by Inventor Maxwell H. Poper

Maxwell H. Poper 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).

  • Patent number: 4290904
    Abstract: A transparent low alkalinity bar soap based on a tetrakis (hydroxyalkyl) ethylene diamine having the formula ##STR1## wherein R is hydrogen or an alkyl group having one to four carbon atoms and n is one to four. The soap is prepared by adding the tetrakis (hydroxyalkyl) ethylene diamine to a mixture of caustic soda, saponifiable fatty oil, water and a polyhydric alcohol, either before or after saponification, followed by addition of one or more superfatting agents as well as other ingredients designed to affect the properties of the bar for humectant, surfactant and perfuming purposes.
    Type: Grant
    Filed: December 1, 1980
    Date of Patent: September 22, 1981
    Assignee: Neutrogena Corporation
    Inventors: Maxwell H. Poper, Eric Jungermann