Patents by Inventor Sigrid Schadow

Sigrid Schadow 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).

  • Process for applying a metal coating to a non-conductive substrate
    Patent number: 8152914
    Abstract: Described is a new process for applying a metal coating to a non-conductive substrate comprising the steps of (a) contacting the substrate with an activator comprising a noble metal/group IVA metal sol to obtain a treated substrate, (b) contacting said treated substrate with a composition comprising a solution of: (i) a Cu(II), Ag, Au or Ni soluble metal salt or mixtures thereof, (ii) 0.05 to 5 mol/l of a group IA metal hydroxide and (iii) a complexing agent for an ion of the metal of said metal salt, wherein an iminosuccinic acid or a derivative thereof is used as said complexing agent.
    Type: Grant
    Filed: April 24, 2008
    Date of Patent: April 10, 2012
    Assignee: Atotech Deutschland GmbH
    Inventors: Sigrid Schadow, Brigitte Dyrbusch, Carl Christian Fels
  • PROCESS FOR APPLYING A METAL COATING TO A NON-CONDUCTIVE SUBSTRATE
    Publication number: 20100119713
    Abstract: Described is a new process for applying a metal coating to a non-conductive substrate comprising the steps of (a) contacting the substrate with an activator comprising a noble metal/group IVA metal sol to obtain a treated substrate, (b) contacting said treated substrate with a composition comprising a solution of: (i) a Cu(II), Ag, Au or Ni soluble metal salt or mixtures thereof, (ii) 0.05 to 5 mol/l of a group IA metal hydroxide and (iii) a complexing agent for an ion of the metal of said metal salt, wherein an iminosuccinic acid or a derivative thereof is used as said complexing agent.
    Type: Application
    Filed: April 24, 2008
    Publication date: May 13, 2010
    Applicant: Atotech Deutschland GmbH
    Inventors: Sigrid Schadow, Brigitte Dyrbusch, Carl Christian Fels