Patents by Inventor Jeffrey R. Zerr

Jeffrey R. Zerr 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).

  • Additive composition for water-based inks
    Patent number: 4908063
    Abstract: An aqueous dispersion useful in formulating water-based printing inks is provided. The dispersion contains water, an alkoxylated primary linear polymeric alcohol dispersant and a finely divided mostly linear aliphatic hydrocarbon having a molecular weight of about 300-3,000 and/or a finely divided chemically modified mostly linear aliphatic hydrocarbon having a molecular weight of about 300-3,000.
    Type: Grant
    Filed: November 4, 1988
    Date of Patent: March 13, 1990
    Assignee: Petrolite Corporation
    Inventors: Timothy J. Baker, John H. Woods, Jeffrey R. Zerr
  • Additive composition for water-based inks
    Patent number: RE34792
    Abstract: An aqueous dispersion useful in formulating water based printing inks is provided. The dispersion contains water, an alkoxylated primary linear polymeric alcohol dispersant and a finely divided mostly linear aliphatic hydrocarbon having a molecular weight of about 300-3,000 and/or a finely divided chemically modified mostly linear aliphatic hydrocarbon having a molecular weight of about 300-3,000.
    Type: Grant
    Filed: March 13, 1992
    Date of Patent: November 22, 1994
    Assignee: Petrolite Corporation
    Inventors: Timothy J. Baker, John H. Woods, Jeffrey R. Zerr, decreased