Patents by Inventor Stephen Petro

Stephen Petro 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).

  • Method of producing coated paper with reduced gloss mottle
    Publication number: 20070169902
    Abstract: A method of producing a coated paper having reduced gloss mottle and excellent smoothness includes the steps of calendering a base stock at a relatively high pressure in a first calendering step, coating at least one side of the calendered base stock and calendering the coated base stock at a relatively low pressure in a second calendering step.
    Type: Application
    Filed: January 20, 2006
    Publication date: July 26, 2007
    Inventors: Gregg Brelsford, Steven Metzler, Stephen Petro, Stig Renvall, Susanne Sowers
  • Smooth base stock composed of nonstandard fibers
    Publication number: 20050028951
    Abstract: A smooth base stock useful in various applications, but particularly useful in high quality imaging, comprising nonstandard fibers is disclosed. The base stock fibers have a fiber length weighted average of greater than about 0.9 mm and the base stock has a roughness of less than about 2.0 micron Ra.
    Type: Application
    Filed: June 17, 2004
    Publication date: February 10, 2005
    Inventors: Gregg Brelsford, David Cason, Dean Johnson, Stephen Petro