Patents by Inventor Paul Edward Crossley

Paul Edward Crossley 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 manufacturing leather
    Publication number: 20020038478
    Abstract: A novel pre-tannage system for leather comprises treating the pelt or hide with a zeolite material in a first pre-tannage step and thereafter treating the pelt or hide with one or more modified aldehyde tanning agents. In this condition the pelt or hide is suitable for a number of different tanning steps namely chrome tannage, vegetable tannage, synthetic tannage or a combination of these.
    Type: Application
    Filed: July 16, 2001
    Publication date: April 4, 2002
    Inventor: Paul Edward Crossley