Patents by Inventor Rudy F. Macander

Rudy F. Macander 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).

  • Patent number: 4038327
    Abstract: A new series of compounds having the following formula is disclosed: ##STR1## wherein R.sub.1 and R.sub.2 are independently aralkyl or alkyl with the proviso that the aralkyl group contains no branching on the carbon alpha to the phenylene group and the alkyl group contains no branching on the carbon alpha to the phenylene group but has at least one branch on the carbon beta to the phenylene group; R.sub.3 is hydroxy, --OR.sub.4 or ##STR2## R.sub.4, R.sub.5, and R.sub.6 are alkyl, cycloalkyl, aralkyl, aryl, or alkaryl and R.sub.6 may additionally be hydrogen; said compounds are useful as antioxidants for polyolefins.
    Type: Grant
    Filed: May 26, 1972
    Date of Patent: July 26, 1977
    Assignee: The Quaker Oats Company
    Inventors: Gordon D. Brindell, Rudy F. Macander
  • Patent number: 4020113
    Abstract: A new series of compounds having the following formula is disclosed: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are alkyl with the proviso that the alkyl groups contain no branching on the carbon alpha to the phenylene group but have at least one branch on the carbon beta to the phenylene group, said compounds useful to stabilize organic materials normally tending to undergo oxidative deterioration.
    Type: Grant
    Filed: January 15, 1972
    Date of Patent: April 26, 1977
    Assignee: The Quaker Oats Company
    Inventors: Gordon D. Brindell, Rudy F. Macander
  • Patent number: 4017461
    Abstract: Liquid resinous condensation products are produced by contacting furan and formaldehyde in the presence of an acid catalyst while maintaining an excess of furan during the contacting. The method produces liquid resinous condensation products which are useful as binders in the manufacture of composite articles, or as binder modifiers.
    Type: Grant
    Filed: January 2, 1976
    Date of Patent: April 12, 1977
    Assignee: The Quaker Oats Company
    Inventors: Andrew P. Dunlop, Rudy F. Macander