Patents by Inventor Frank W. Lorey

Frank W. Lorey 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 de-inking printed waste cellulosic fibrous material
    Patent number: 3932206
    Abstract: Waste printed, cellulosic fibrous material is deinked by using a biodegradable de-inking agent which is non-toxic to aquatic life, said agent comprising an ethoxylated aliphatic mono-ol having about 14-15 carbon atoms in the aliphatic chain and about 8-12 ethyleneoxy units per mole of said mono-ol or an ethoxylated aliphatic di-ol having from 14 to 30 carbon atoms in the aliphatic chain and from 8 to 24 ethyleneoxy units per mole of said di-ol wherein the hydroxy groups in the di-ol are present on adjacent non-terminal carbon atoms in the aliphatic chain.
    Type: Grant
    Filed: May 28, 1974
    Date of Patent: January 13, 1976
    Assignee: Garden State Paper Co., Inc.
    Inventors: Robert H. Illingworth, Frank W. Lorey