Patents by Inventor Chris Brancewicz

Chris Brancewicz 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).

  • Publication number: 20060153885
    Abstract: This invention relates to an emulsion composition for the formation of an artificial tear film over the ocular surface of the eye capable of providing mechanical lubrication for the ocular surface while reducing evaporation of fluid therefrom. The emulsion is desirably in the form of a meta stable emulsion and is characterized by the use of a surfactant comprising a combination of a primary and secondary surfactant where the primary surfactant permits formation of the emulsion and the secondary surfactant permits autoclaving of the surfactant. The invention also includes a method for the formation of such an emulsion.
    Type: Application
    Filed: January 12, 2005
    Publication date: July 13, 2006
    Inventors: Donald Korb, Chris Brancewicz
  • Publication number: 20040092102
    Abstract: A chemical mechanical polishing (CMP) formulation and method for using the same. The composition is useful for polishing semiconductor substrates, and particularly substrate surfaces containing copper, tungsten, or alloys of the same. The CMP formulation may contain a copolymer enhancement agent such as a Pluronics® compound, and/or a vesicle encapsulating agent, as well as an active agent that is chemically reactive with the substrate to enhance polishing performance. The active agent may be a bifunctional compound that is capable of functioning as both a passivating agent and a complexing agent to achieve an optimum rate of passivation and oxidation on the substrate surface. An active agent can also take the form of an oxidation activator, such as a metal ion, encapsulated in a vesicle or micelle, that is released with applied pressure to accelerate the removal process and improve planarization efficiency.
    Type: Application
    Filed: November 12, 2002
    Publication date: May 13, 2004
    Applicant: Sachem, Inc.
    Inventors: Yuzhou Li, Jason Keleher, Junzi Zhao, Chris Brancewicz