Patents by Inventor Lauri Kirkpatrick

Lauri Kirkpatrick 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).

  • Dynamic multi-purpose composition for the removal of photoresists and method for its use
    Publication number: 20070099805
    Abstract: Improved stripper solutions for removing photoresists from substrates are provided that typically have freezing points below about +15° C. and high loading capacities. The stripper solutions comprise dimethyl sulfoxide, a quaternary ammonium hydroxide, and an alkanolamine having at least two carbon atoms, at least one amino substituent and at least one hydroxyl substituent, the amino and hydroxyl substituents attached to two different carbon atoms. Some formulation can additionally contain a secondary solvent. Methods for use of the stripping solutions are additionally provided.
    Type: Application
    Filed: October 28, 2005
    Publication date: May 3, 2007
    Inventors: Michael Phenis, Lauri Kirkpatrick, Raymond Chan, Diane Scheele, Kimberly Pollard