Patents by Inventor Stephane Commo

Stephane Commo 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).

  • Screening of candidates for biological hair care activity
    Patent number: 6113889
    Abstract: The invention concerns a procedure for testing a potentially-active substance used in the hair-care field, this procedure being characterized by the fact that a fragment of at least one hair follicle without dermal papilla is isolated, this fragment being taken from beneath the point of attachment of the sebaceous gland and excluding the portion of the hair shaft located above the point of attachment of the sebaceous gland; that this fragment is incubated in a suitable culture medium for a sufficient period; that this fragment is placed in contact with a potentially-active hair-care substance; that a marker of the activity of said tested substance is quantitatively determined; and that the results of this determination are assessed as they compare to a control.
    Type: Grant
    Filed: January 20, 1999
    Date of Patent: September 5, 2000
    Assignee: Societe l'Oreal S.A.
    Inventors: Fran.cedilla.oise Jarrousse, Stephane Commo, Olivier Gaillard, Bruno Bernard
  • Screening of candidates for biological hair care activity
    Patent number: 5891426
    Abstract: The invention concerns a procedure for testing a potentially-active substance used in the hair-care field, this procedure being characterized by the fact that a fragment of at least one hair follicle without dermal papilla is isolated, this fragment being taken from beneath the point of attachment of the sebaceous gland and excluding the portion of the hair shaft located above the point of attachment of the sebaceous gland; that this fragment is incubated in a suitable culture medium for a sufficient period; that this fragment is placed in contact with a potentially-active hair-care substance; that a marker of the activity of said tested substance is quantitatively determined; and that the results of this determination are assessed as they compare to a control.
    Type: Grant
    Filed: February 18, 1997
    Date of Patent: April 6, 1999
    Assignee: Societe L'Oreal S.A.
    Inventors: Fran.cedilla.oise Jarrousse, Stephane Commo, Olivier Gaillard, Bruno Bernard