Patents by Inventor Susan E. Kirsch

Susan E. Kirsch 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).

  • Cosmetic composition
    Patent number: 5415855
    Abstract: Modified ceramides are defined, together with their synthesis and compositions comprising them for topical application to human skin, hair and nails. The modified pseudoceramides have a structure: ##STR1## and an approximate summary is that R and R.sup.1 are aliphatic hydrocarbon, A is CH.sub.2, CHOR.sup.2, CH.dbd.CH or CHOY, and at least one of R.sup.2, R.sup.3 and R.sup.4 is sulphate, phosphate or similar. The presence of phosphate or sulphate facilitates skin absorption, after which the phosphate or sulphate is removed by enzymes present in vivo.
    Type: Grant
    Filed: June 22, 1993
    Date of Patent: May 16, 1995
    Assignee: Elizabeth Arden Co., Division of Conopco, Inc.
    Inventors: Peter Critchley, Susan E. Kirsch, Anthony V. Rawlings, Ian R. Scott
  • Cosmetic composition
    Patent number: 5326565
    Abstract: Novel pseudoceramides are defined, together with their synthesis and compositions comprising them for topical application to human skin, hair and nails.
    Type: Grant
    Filed: December 4, 1992
    Date of Patent: July 5, 1994
    Assignee: Elizabeth Arden Co.
    Inventors: Peter Critchley, Desmond B. Hagan, Susan E. Kirsch, David T. Parrott, Anthony V. Rawlings, Ian R. Scott, Anthony P. Taylor
  • Cosmetic composition
    Patent number: 5198210
    Abstract: Novel pseudoceramides are defined, together with their synthesis and compositions comprising them for topical application to human skin, hair and nails.
    Type: Grant
    Filed: October 21, 1991
    Date of Patent: March 30, 1993
    Assignee: Elizabeth Arden Company, Division of Conopco, Inc.
    Inventors: Peter Critchley, Desmond B. Hagan, Susan E. Kirsch, David T. Parrot, Anthony V. Rawlings, Ian R. Scott, Anthony P. Taylor