Patents by Inventor Hamid Abdul Hadi

Hamid Abdul Hadi 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).

  • Depigmenting cosmetic and/or dermatological composition containing a di- or tri-caffeoylquninic acid, or a mixture thereof
    Patent number: 5445816
    Abstract: A depigmenting cosmetic or dermatological composition containing, as active ingredient, at least one di- or tri-caffeoylquinic acid corresponding to general formula (I): ##STR1## in which: R.sub.1, R.sub.2, R.sub.3, and R.sub.4 represent a hydrogen atom or the CAF radical corresponding to the formula: ##STR2## provided that at least two, and at most three, of the R.sub.1, R.sub.2, R.sub.3, and R.sub.4 radicals represent the CAF radical, but excluding R.sub.1 and R.sub.2 as representing the CAF radical and R.sub.2 and R.sub.3 as representing a hydrogen atom, or a mixture of said caffeoylquinic acids.
    Type: Grant
    Filed: December 2, 1994
    Date of Patent: August 29, 1995
    Assignee: L'Oreal
    Inventors: Ming Li, Thierry Sevenet, Hubert Schaller, Hamid Abdul Hadi, Daniel Guenard, Pierre Potier, Eric Pilleux
  • Depigmenting cosmetic and/or dermatological composition containing a di- or tri-caffeoylquinic acid, or a mixture thereof
    Patent number: 5395624
    Abstract: A depigmenting cosmetic or dermatological composition containing, as active ingredient, at least one di- or tri-caffeoylquinic acid corresponding to general formula (I): ##STR1## in which: R.sub.1, R.sub.2, R.sub.3, and R.sub.4 represent a hydrogen atom or the CAF radical corresponding to the formula: ##STR2## provided that at least two, and at most three, of the R.sub.1, R.sub.2, R.sub.3, and R.sub.4 radicals represent the CAF radical, but excluding R.sub.1 and R.sub.4 as representing the CAF radical and R.sub.2 and R.sub.3 as representing a hydrogen atom, or a mixture of said caffeoylquinic acids.
    Type: Grant
    Filed: June 29, 1993
    Date of Patent: March 7, 1995
    Assignee: L'Oreal
    Inventors: Ming Li, Thierry Sevenet, Hubert Schaller, Hamid Abdul Hadi, Daniel Guenard, Pierre Potier, Eric Pilleux