Patents by Inventor Stanley J. Wrobel

Stanley J. Wrobel 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).

  • Alcohol-containing abrasive composition for cleaning contact lenses
    Patent number: 5888950
    Abstract: An aqueous composition for cleaning contact lenses comprises an aliphatic monohydric alcohol, a surface active agent having cleaning action for contact lens deposits, and an abrasive agent.
    Type: Grant
    Filed: November 19, 1996
    Date of Patent: March 30, 1999
    Assignee: Wilmington Partners LP
    Inventors: Chimpiramma Potini, Stanley J. Wrobel
  • Contact lens cleaning and wetting solutions containing a non-amine polyethyleneocy adduct having a HLB value of at least about 18, a surface active agent having a HLB of less than 18, and wetting agent
    Patent number: 5773396
    Abstract: A composition for cleaning and wetting contact lenses comprising a non-amine polyethylenoxide-containing copolymeric material having a hydrophilic-lipophile balance (HLB) of at least about 18, a surface active agent having cleaning activity for contact lens deposits and having HLB values of less than 18, and a wetting agent. Preferred embodiments of the present invention include those having from about 0.001 to about 10 weight percent of a non-amine polyethyleneoxy-containing materials, particularly those selected from: ethoxylated glucose derivatives, ethoxylated ethers of sorbitol, copolymers comprising ethyleneoxy and propyleneoxy monomeric units, and mixtures thereof. Preferred embodiments further include from about 0.001 to about 5 weight percent of the surface active agent and from about 0.1 to about 10 weight percent of a wetting agent selected from: cellulosic materials, silicone polymers containing an alkyleneoxide side chain, polyvinyl alcohols, polyvinyl pyrrolidones, and mixtures thereof.
    Type: Grant
    Filed: December 9, 1996
    Date of Patent: June 30, 1998
    Assignee: Polymer Technology Corporation
    Inventors: Hong J. Zhang, Edward J. Ellis, Stanley J. Wrobel, Chimpiramma Potini
  • Composition for cleaning contact lenses
    Patent number: 5607908
    Abstract: A composition for cleaning contact lenses comprises a silicone surface active agent having cleaning activity for contact lens deposits. The silicone surface active agent has at least one side chain including a radical ionizable in aqueous solution.
    Type: Grant
    Filed: March 16, 1995
    Date of Patent: March 4, 1997
    Assignee: Wilmington Partners L.P.
    Inventors: Chimpiramma Potini, Stanley J. Wrobel
  • Composition for cleaning and wetting contact lenses
    Patent number: 5604189
    Abstract: A composition for cleaning and wetting contact lenses comprises a polyethyleneoxide-containing material having a hydrophile-lipophile balance (HLB) of at least about 18, a surface active agent having cleaning activity for contact lens deposits, and a wetting agent.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: February 18, 1997
    Inventors: Hong J. Zhang, Edward J. Ellis, Stanley J. Wrobel, Chimpiramma Potini
  • Composition for cleaning and wetting contact lenses
    Patent number: 5500144
    Abstract: Compositions for the care of contact lenses include a silicone polymer containing an alkyleneoxide side chain.
    Type: Grant
    Filed: April 12, 1995
    Date of Patent: March 19, 1996
    Assignee: Polymer Technology Corporation
    Inventors: Chimpiramma Potini, Stanley J. Wrobel, Hong J. Zhang, Edward J. Ellis
  • Preservative system for contact lens solutions
    Patent number: 5453435
    Abstract: A preservative system for ophthalmic solutions, particularly contact lens solutions, comprises:(a) chlorhexidine or a water-soluble salt thereof; and(b) polyhexamethylene biguanide or a water-soluble salt thereof.
    Type: Grant
    Filed: January 13, 1994
    Date of Patent: September 26, 1995
    Assignee: Polymer Technology Corporation
    Inventors: Manohar K. Raheja, Stanley J. Wrobel
  • Composition for cleaning contact lenses
    Patent number: 5422029
    Abstract: A composition for cleaning contact lenses comprises a silicone surface active agent having cleaning activity for contact lens deposits. The silicone surface active agent has at least one side chain including a radical ionizable in aqueous solution.
    Type: Grant
    Filed: June 18, 1993
    Date of Patent: June 6, 1995
    Inventors: Chimpiramma Potini, Stanley J. Wrobel
  • Method for improving antibacterial properties of ophthalmic solutions
    Patent number: 5320843
    Abstract: A method for improving the antibacterial efficacy of an ophthalmic solution, particularly a solution for the care of contact lenses, comprises providing an article molded from a plastic resin including an inorganic carrier retaining antibacterial metal ions, and placing the ophthalmic solution in contact with the plastic resin.
    Type: Grant
    Filed: December 10, 1992
    Date of Patent: June 14, 1994
    Assignee: Polymer Technology Corporation
    Inventors: Manohar K. Raheja, Stanley J. Wrobel
  • Contact lens cleaning and conditioning pouch and method of use
    Patent number: 5088146
    Abstract: A product and method of cleaning or conditioning contact lenses is provided. Lens cleaning or conditioning is accomplished in a pouch having first and second walls between which the contact lens can be inserted along with a cleaning or conditioning solution and gently manipulated to clean or condition the contact lens surface.
    Type: Grant
    Filed: June 28, 1990
    Date of Patent: February 18, 1992
    Assignee: Polymer Technology Corporation
    Inventors: Francis X. Smith, Stanley J. Wrobel, Manohar K. Raheja