Patents by Inventor Mario Stephen Marsan

Mario Stephen Marsan 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).

  • Bleaching articles
    Patent number: 4017411
    Abstract: Non-starch thickened peroxygen bleaches, and articles releasably containing same, especially adapted for use in an automatic dryer are provided.
    Type: Grant
    Filed: March 27, 1975
    Date of Patent: April 12, 1977
    Assignee: The Procter & Gamble Company
    Inventors: Francis Louvaine Diehl, Mario Stephen Marsan, James Byrd Edwards
  • Bleaching articles
    Patent number: 4011172
    Abstract: Thickened chlorine bleaches, and articles releasably containing same, especially adapted for use in an automatic dryer are provided.
    Type: Grant
    Filed: March 27, 1975
    Date of Patent: March 8, 1977
    Assignee: The Procter & Gamble Company
    Inventors: Mario Stephen Marsan, Francis Louvaine Diehl, James Byrd Edwards
  • Bleaching composition
    Patent number: 3996152
    Abstract: Low pH, non-starch gels containing particulate peroxygen compounds, especially diperazelaic acid, provide safe, effective and stable fabric bleaching compositions for use at alkaline pH's, e.g., in laundry baths.
    Type: Grant
    Filed: March 27, 1975
    Date of Patent: December 7, 1976
    Assignee: The Procter & Gamble Company
    Inventors: James Byrd Edwards, Francis Louvaine Diehl, Mario Stephen Marsan
  • Bleaching article
    Patent number: 3989638
    Abstract: Articles releasably containing starch-thickened peroxygen bleaches are provided.
    Type: Grant
    Filed: March 27, 1975
    Date of Patent: November 2, 1976
    Assignee: The Procter & Gamble Company
    Inventors: William Jack Bradley, Mario Stephen Marsan