Patents by Inventor Nicolas MacKiewicz

Nicolas MacKiewicz 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).

  • Topical composition comprising crosslinked hyaluronic acid and a polyacrylate compound
    Patent number: 11311472
    Abstract: Disclosed is a sterile and topical cosmetic composition including, in a physiologically acceptable medium, an efficient amount of crosslinked hyaluronic acid and an efficient amount of polyacrylate crosspolymer-6, Also disclosed is the use of said composition for reducing the signs of skin aging and/or to car the skin of a subject who has previously been subjected to one or more aesthetic and/or cosmetic intervention(s); and to a cosmetic process for caring the skin comprising at least the step of applying topically, on the skin surface(s) to be cared, an effective amount of said composition, to a subject who has previously been subjected to one or more aesthetic and/or cosmetic intervention(s).
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: April 26, 2022
    Assignee: TEOXANE
    Inventors: Jean-marie Simon Ludovic, Nicolas Mackiewicz
  • TOPICAL COMPOSITION COMPRISING CROSSLINKED HYALURONIC ACID AND A POLYACRYLATE COMPOUND
    Publication number: 20210244644
    Abstract: Disclosed is a sterile and topical cosmetic composition including, in a physiologically acceptable medium, an efficient amount of crosslinked hyaluronic acid and an efficient amount of polyacrylate crosspolymer-6, Also disclosed is the use of said composition for reducing the signs of skin aging and/or to car the skin of a subject who has previously been subjected to one or more aesthetic and/or cosmetic intervention(s); and to a cosmetic process for caring the skin comprising at least the step of applying topically, on the skin surface(s) to be cared, an effective amount of said composition, to a subject who has previously been subjected to one or more aesthetic and/or cosmetic intervention(s).
    Type: Application
    Filed: September 18, 2017
    Publication date: August 12, 2021
    Inventors: Jean-marie Simon Ludovic, Nicolas Mackiewicz
  • Polymerized micelles for diagnosis
    Patent number: 9839700
    Abstract: The invention relates to polymerized micelles of size inferior to 100 nm for in vivo diagnosis, in particular of cancer. The polymerized micelles of the invention comprise a diagnostic agent and an amphiphilic polymer obtainable by the polymerization of an amphiphilic monomer, said monomer comprising: a lipophilic chain comprising a polymerizable vinylic or diacetylenic group, and a hydrophilic head comprising a polyoxyethylene or polyoxypropylene chain. The invention finds application in the pharmaceutical field, in particular.
    Type: Grant
    Filed: July 7, 2011
    Date of Patent: December 12, 2017
    Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Eric Doris, Frédéric Duconge, Edmond Gravel, Nicolas Mackiewicz, Bertrand Tavitian
  • Functional PLA-PEG copolymers, the nanoparticles thereof, their preparation and use for targeted drug delivery and imaging
    Patent number: 9364444
    Abstract: Functional PLA-PEG copolymers, the nanoparticles thereof, their preparation and use for targeted drug delivery and imaging The present invention concerns novel functional PEG-PLA containing copolymers, the nanoparticles containing the same, their process of preparation and their use for site specific targeted drug delivery and imaging.
    Type: Grant
    Filed: February 28, 2013
    Date of Patent: June 14, 2016
    Inventors: Didier Bazile, Patrick Couvreur, Harivardhan Reddy Lakkireddy, Nicolas Mackiewicz, Julien Nicolas
  • Functional PLA-PEG Copolymers, the Nanoparticles Thereof, Their Preparation and Use for Targeted Drug Delivery and Imaging
    Publication number: 20150037419
    Abstract: Functional PLA-PEG copolymers, the nanoparticles thereof, their preparation and use for targeted drug delivery and imaging The present invention concerns novel functional PEG-PLA containing copolymers, the nanoparticles containing the same, their process of preparation and their use for site specific targeted drug delivery and imaging.
    Type: Application
    Filed: February 28, 2013
    Publication date: February 5, 2015
    Inventors: Didier Bazile, Patrick Couvreur, Harlvardhan Reddy Lakkireddy, Nicolas Mackiewicz, Julien Nicolas
  • POLYMERIZED MICELLES FOR DIAGNOSIS
    Publication number: 20130230467
    Abstract: The invention relates to polymerized micelles of size inferior to 100 nm for in vivo diagnosis, in particular of cancer. The polymerized micelles of the invention comprise a diagnostic agent and an amphiphilic polymer obtainable by the polymerization of an amphiphilic monomer, said monomer comprising: a lipophilic chain comprising a polymerizable vinylic or diacetylenic group, and a hydrophilic head comprising a polyoxyethylene or polyoxypropylene chain. The invention finds application in the pharmaceutical field, in particular.
    Type: Application
    Filed: July 7, 2011
    Publication date: September 5, 2013
    Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Eric Doris, Frédéric Duconge, Edmond Gravel, Nicolas MacKiewicz, Bertrand Tavitian