Patents by Inventor Valerie Stutz

Valerie Stutz 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).

  • Hydroxyphenyl triazines with an aromatic carbocyclic fused ring system
    Patent number: 8586735
    Abstract: The instant invention relates to novel hydroxyphenyl triazine UV-absorbers with an aromatic carbocyclic fused ring system having a long wavelength shifted absorption spectrum with significant absorbance up to 420 nm. Further aspects of the invention are a process for their preparation, a UV stabilized composition containing the new UV-absorbers, a process for the stabilization of organic materials and the use of the new compounds as UV-light stabilizers for organic materials.
    Type: Grant
    Filed: January 23, 2013
    Date of Patent: November 19, 2013
    Assignee: BASF SE
    Inventors: Thomas Vogel, Adalbert Braig, Thomas Schafer, Rachel Kohli Steck, Valerie Stutz
  • Hydroxyphenyltriazines with an aromatic carbocyclic fused ring system
    Patent number: 8389719
    Abstract: The instant invention relates to novel hydroxyphenyl triazine UV-absorbers with an aromatic carbocyclic fused ring system having a long wavelength shifted absorption spectrum with significant absorbance up to 420 nm. Further aspects of the invention are a process for their preparation, a UV stabilized composition containing the new UV-absorbers, a process for the stabilization of organic materials and the use of the new compounds as UV-light stabilizers for organic materials.
    Type: Grant
    Filed: May 31, 2006
    Date of Patent: March 5, 2013
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Thomas Vogel, Adalbert Braig, Thomas Schäfer, Rachel Kohli Steck, Valerie Stutz
  • Hydroxyphenyltriazines With An Aromatic Carbocyclic Fused Ring System
    Publication number: 20090136768
    Abstract: The instant invention relates to novel hydroxyphenyl triazine UV-absorbers with an aromatic carbocyclic fused ring system having a long wavelength shifted absorption spectrum with significant absorbance up to 420 nm. Further aspects of the invention are a process for their preparation, a UV stabilized composition containing the new UV-absorbers, a process for the stabilization of organic materials and the use of the new compounds as UV-light stabilizers for organic materials.
    Type: Application
    Filed: May 31, 2006
    Publication date: May 28, 2009
    Inventors: Thomas Vogel, Adalbert Braig, Thomas Schafer, Rachel Kohli Steck, Valerie Stutz