Patents by Inventor Robert W. Sandewicz

Robert W. Sandewicz 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).

  • Nail enamel compositions containing silicone glycol copolymers
    Patent number: 5607665
    Abstract: A nail enamel composition comprising:a) 0.1-85% solvent,b) 0.1-60% film former, andc) 0.005-5% of a silicone glycol copolymer.
    Type: Grant
    Filed: December 16, 1994
    Date of Patent: March 4, 1997
    Assignee: Revlon Consumer Products Corporation
    Inventors: Joseph F. Calello, Robert W. Sandewicz, Anjali A. Patil
  • Surface treated pigments
    Patent number: 5599530
    Abstract: An organic pigment particle having chemically bonded to its surface an organometallic zirconium compound, cosmetic compositions containing the pigment particles, and a method for reducing the staining potential of organic pigments.
    Type: Grant
    Filed: December 16, 1994
    Date of Patent: February 4, 1997
    Assignee: Revlon Consumer Products Corporation
    Inventors: Anjali A. Patil, Joseph F. Calello, Robert W. Sandewicz
  • Long wearing nail enamel topcoat and related methods
    Patent number: 5290543
    Abstract: A long wearing nail enamel topcoat and a method for doubling the wear of nail enamel using the topcoat of the invention.
    Type: Grant
    Filed: September 17, 1992
    Date of Patent: March 1, 1994
    Assignee: Revlon Consumer Products Corporation
    Inventors: Hovig Ounanian, Joseph DiSomma, Debra Coleman, Robert W. Sandewicz, Anthony Castrogiovanni
  • Nail enamels containing glyceryl, glycol or citrate esters
    Patent number: 5227155
    Abstract: Nail enamels containing a plasticizer component comprising one or more selected diesters or triesters, exhibit improved properties on wearing.
    Type: Grant
    Filed: April 27, 1992
    Date of Patent: July 13, 1993
    Assignee: Revlon Consumer Products Corporation
    Inventors: Anthony Castrogiovanni, Robert W. Sandewicz, Steven W. Amato
  • Nail enamels containing glyceryl, glycol or citrate esters
    Patent number: 5225185
    Abstract: Nail enamels containing a plasticizer component comprising one or more selected diesters or triesters, exhibit improved properties on wearing.
    Type: Grant
    Filed: April 27, 1992
    Date of Patent: July 6, 1993
    Assignee: Revlon Consumer Products Corporation
    Inventors: Anthony Castrogiovanni, Robert W. Sandewicz, Steven W. Amato
  • Nail enamels containing glyceryl, glycol or citrate esters
    Patent number: 5145670
    Abstract: Nail enamels containing a plasticizer component comprising one or more selected diesters or triesters, exhibit improved properties on wearing.
    Type: Grant
    Filed: August 30, 1991
    Date of Patent: September 8, 1992
    Assignee: Revlon, Inc.
    Inventors: Anthony Castrogiovanni, Robert W. Sandewicz, Steven W. Amato
  • Nail enamels containing glyceryl, glycol or citrate esters
    Patent number: 5145671
    Abstract: Nail enamels containing a plasticizer component comprising one or more selected diesters or triesters, exhibit improved properties on wearing.
    Type: Grant
    Filed: August 30, 1991
    Date of Patent: September 8, 1992
    Assignee: Revlon, Inc.
    Inventors: Anthony Castrogiovanni, Robert W. Sandewicz, Steven W. Amato
  • Nail stain remover
    Patent number: 5139570
    Abstract: A nail cleansing composition useful for removing stains from human nails, nail stain removing kits, and a method for removing stains from nails using the composition of the invention.
    Type: Grant
    Filed: April 24, 1991
    Date of Patent: August 18, 1992
    Assignee: Revlon, Inc.
    Inventors: Anthony Castrogiovanni, Robert W. Sandewicz, Cecilia Benedicto
  • Nail enamel emulsion lacquer comprising a water phase and a lacquer phase
    Patent number: 5102654
    Abstract: A single phase emulsion nail enamel for coating and hydrating human nails as well as a method for coating and hydrating human nails with the composition of the invention.
    Type: Grant
    Filed: June 5, 1991
    Date of Patent: April 7, 1992
    Assignee: Revlon, Inc.
    Inventors: Anthony Castrogiovanni, Robert W. Sandewicz, Cecilia Benedicto
  • Nail enamels containing glyceryl, glycol or citrate esters
    Patent number: 5066484
    Abstract: Nail enamels containing a plasticizer component comprising one or more selected diesters or triesters, exhibit improved properties on wearing.
    Type: Grant
    Filed: April 30, 1990
    Date of Patent: November 19, 1991
    Assignee: Revlon, Inc.
    Inventors: Anthony Castrogiovanni, Robert W. Sandewicz, Steven W. Amato