Patents by Inventor Roman J. Mikolajewicz

Roman J. Mikolajewicz 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).

  • Thickeners for products for topical application
    Patent number: 6051245
    Abstract: A thickener for products for topical application such as personal care products for application to the skin or hair, or topically administrable pharmaceutical preparations, comprises a water-in-oil emulsion containing polymeric material, at least 98% of which polymeric material is soluble in the aqueous phase. The polymeric material comprises units derived from (a) acrylamide, (b) 2-acrylamido-2-methylpropane-sulphonic acid (AMPS) and (c) a polyfunctional monomer, present in an amount of from 0.12 to 2 milliequivalents per mol of total monomer units. At least some of the AMPS units are in the form of a neutral salt such that the aqueous phase of the water in oil emulsion has a pH of at least 5.5.
    Type: Grant
    Filed: December 15, 1998
    Date of Patent: April 18, 2000
    Assignee: Scott Bader Company Limited
    Inventors: Arshad-Ul-Haq Chaudhry, Roman J Mikolajewicz
  • Thickeners for products for topical application
    Patent number: 5928656
    Abstract: A thickener for products for topical application such as personal care products for application to the skin or hair, or topically administrable pharmaceutical preparations, comprises a water-in-oil emulsion containing polymeric material, at least 98% of which polymeric material is soluble in the aqueous phase. The polymeric material comprises units derived from (a) acrylamide, (b) 2-acrylamido-2-methylpropane-sulphonic acid (AMPS) and (c) a polyfunctional monomer, present in an amount of from 0.12 to 2 milliequivalents per mol of total monomer units. At least some of the AMPS units are in the form of a neutral salt such that the aqueous phase of the water in oil emulsion has a pH of at least 5.5.
    Type: Grant
    Filed: July 17, 1997
    Date of Patent: July 27, 1999
    Assignee: Scott Bader Company Limited
    Inventors: Arshad-Ul-Hag Chaudhry, Roman J Mikolajewicz
  • Thickeners for products for topical application
    Patent number: 5804202
    Abstract: A thickener for products for topical application such as personal care products for application to the skin or hair, or topically administrable pharmaceutical preparations, comprises a water-in-oil emulsion containing polymeric material, at least 98% of which polymeric material is soluble in the aqueous phase. The polymeric material comprises units derived from (a) acrylamide, (b) 2-acrylamido-2-methylpropane-sulphonic acid (AMPS) and (c) a polyfunctional monomer, present in an amount of from 0.12 to 2 milliequivalents per mol of total monomer units. At least some of the AMPS units are in the form of a neutral salt such that the aqueous phase of the water in oil emulsion has a pH of at least 5.5.
    Type: Grant
    Filed: July 22, 1993
    Date of Patent: September 8, 1998
    Assignee: Scott Bader Company Limited
    Inventors: Arshad-Ul-Haq Chaudhry, Roman J. Mikolajewicz
  • Thickeners for products for topical application
    Patent number: 5688514
    Abstract: A thickener for products for topical application such as personal care products for application to the skin or hair, or topically administrable pharmaceutical preparations, comprises a water-in-oil emulsion containing polymeric material, at least 98% of which polymeric material is soluble in the aqueous phase. The polymeric material comprises units derived from (a) acrylamide, (b) 2-acrylamido-2-methylpropane-sulphonic acid (AMPS) and (c) a polyfunctional monomer, present in an amount of from 0.12 to 2 milliequivalents per mol of total monomer units. At least some of the AMPS units are in the form of a neutral salt such that the aqueous phase of the water in oil emulsion has a pH of at least 5.5.
    Type: Grant
    Filed: October 2, 1995
    Date of Patent: November 18, 1997
    Assignee: Scott Bader Company Limited
    Inventors: Arshad-Ul-Hag Chaudhry, Roman J. Mikolajewicz