Patents by Inventor Peter Pojer

Peter Pojer 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 tanning hides and compounds for use therein
    Patent number: 5501708
    Abstract: An organic polyol ester of a polycarboxylic acid having formulae (Para) and/or (Meta) and/or (Ortho), wherein R.sub.6 is --(COOR.sub.1)x, or (I).sub.1 R.sub.7 is H; or R.sub.6 and R.sub.7 together for (II); R.sub.1 and R.sub.2 are hydrogen or --OR.sub.1 and --OR.sub.2 together form an anhydride (--0--) bond; x is an integer of 0 or 1; Z is an integer ranging from 1 to the number of hydroxy groups on the polyol and D is a polyol residue. Also disclosed are processes for the preparation of these polyol esters, a tanning composition comprising a metallic salt and a polyol ester, and a method of tanning using said composition.
    Type: Grant
    Filed: October 7, 1993
    Date of Patent: March 26, 1996
    Assignee: Commonwealth Scientific and Industrial Research Organisation
    Inventors: Peter Pojer, Kenneth C. Montgomery, Chi P. Huynh, Brian Milligan