Patents by Inventor Athanasios S. Ladas

Athanasios S. Ladas 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: 6113893
    Abstract: The present invention is directed to a topical composition for the treatment of psoriasis. The composition comprises a film forming agent, a plasticizer, an aqueous alcoholic solution and an amount of alkali effective to prevent the gellation of the film forming agent.
    Type: Grant
    Filed: July 1, 1998
    Date of Patent: September 5, 2000
    Assignee: Pfizer Inc.
    Inventors: Debbie L. Burnett, Victor M. Wong, Darius D. Dubash, Athanasios S. Ladas
  • Patent number: 5916545
    Abstract: A composition useful in the treatment of onychomycosis comprises tioconazole, a gel-forming agent and a hydro-alcoholic vehicle.
    Type: Grant
    Filed: May 2, 1997
    Date of Patent: June 29, 1999
    Assignee: Pfizer Inc.
    Inventors: Debbie L. Burnett, Teresa J. DeVincentis, Darius D. Dubash, Athanasios S. Ladas
  • Patent number: 5902778
    Abstract: A post-foaming gel shaving composition is disclosed which contains from about 40 to about 90 percent by weight water; from about 4 to about 25 percent by weight water-soluble soap; from about 0.5 to about 12 percent by weight aliphatic liquid post-foaming agent selected from the group consisting of saturated aliphatic hydrocarbons; from about 0.01 to about 5 percent by weight of at least one water-soluble gelling agent forming in said composition a gel having a yield value sufficiently high to restrain said composition from foaming for at least about 60 seconds; and from about 0.1 to about 2 percent by weight of a poly(ethylene oxide) having an average molecular weight of at least 2.times.10.sup.5.
    Type: Grant
    Filed: July 7, 1997
    Date of Patent: May 11, 1999
    Assignee: Pfizer Inc
    Inventors: Barbara A. Hartmann, Athanasios S. Ladas, Dino G. Muccia
  • Patent number: 5800831
    Abstract: The present invention is directed to a topical composition for the treatment of psoriasis. The composition comprises a film forming agent, a plasticizer, an aqueous alcoholic solution and an amount of alkali effective to prevent the gellation of the film forming agent. Vinyl acetate crotonic acid copolymer and poly(vinyl)acetate are especially preferred film-forming agents.
    Type: Grant
    Filed: April 1, 1996
    Date of Patent: September 1, 1998
    Assignee: Pfizer Inc.
    Inventors: Debbie L. Burnett, Victor M. Wong, Darius D. Dubash, Athanasios S. Ladas
  • Patent number: 5747064
    Abstract: The present invention is directed to a topical composition for the treatment of psoriasis. The composition comprises a film forming agent, especially vinyl acetate crotonic acid copolymer a plasticizer, an aqueous alcoholic solution and an amount of alkali effective to prevent the gellation of the film forming agent.
    Type: Grant
    Filed: July 17, 1997
    Date of Patent: May 5, 1998
    Assignee: Pfizer Inc.
    Inventors: Debbie L. Burnett, Darius D. Dubash, Athanasios S. Ladas, Victor M. Wong
  • Patent number: 5560859
    Abstract: A post-foaming gel shaving composition is disclosed which contains from about 40 to about 90 percent by weight water; from about 4 to about 25 percent by weight water-soluble soap; from about 0.5 to about 12 percent by weight aliphatic liquid post-foaming agent selected from the group consisting of saturated aliphatic hydrocarbons; from about 0.01 to about 5 percent by weight of at least one water-soluble gelling agent forming in said composition a gel having a yield value sufficiently high to restrain said composition from foaming for at least about 60 seconds; and from about 0.1 to about 2 percent by weight of a poly(ethylene oxide) having an average molecular weight of at least 2.times.10.sup.5.
    Type: Grant
    Filed: June 1, 1995
    Date of Patent: October 1, 1996
    Assignee: Pfizer Inc.
    Inventors: Barbara A. Hartmann, Athanasios S. Ladas, Dino G. Muccia
  • Patent number: 5391367
    Abstract: A composition useful in the treatment of onychomycosis comprises tioconazole, a gel-forming agent and a hydro-alcoholic vehicle.
    Type: Grant
    Filed: July 28, 1993
    Date of Patent: February 21, 1995
    Assignee: Pfizer Inc.
    Inventors: Teresa J. DeVincentis, Darius D. Dubash, Debbie L. Burnett, Athanasios S. Ladas
  • Patent number: 5100648
    Abstract: A composition for cleaning the gums comprising silica, water and a detergent, said composition having a RDA of less than 20.
    Type: Grant
    Filed: July 1, 1991
    Date of Patent: March 31, 1992
    Assignee: Pfizer Inc.
    Inventors: Athanasios S. Ladas, Debbie L. Burnett-Davis, Ronald J. Sharpe, Suzanne H. Ispentchian
  • Patent number: 4895720
    Abstract: A composition for cleaning the gums comprising silica, water and a detergent, said composition having a RDA of less than 20.
    Type: Grant
    Filed: March 28, 1988
    Date of Patent: January 23, 1990
    Assignee: Pfizer Inc.
    Inventors: Athanasios S. Ladas, Debbie L. Burnett-Davis, Ronald J. Sharpe, Suzanne H. Ispentchian
  • Patent number: D353225
    Type: Grant
    Filed: August 7, 1991
    Date of Patent: December 6, 1994
    Assignee: Pfizer Inc.
    Inventors: William T. Doran, Janet H. Merrill, Athanasios S. Ladas