Patents by Inventor James R. Crain

James R. Crain 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).

  • Aqueous degreasing solution having high free alkalinity
    Patent number: 5192461
    Abstract: A low solids, solvent free liquid aqueous degreasing concentrate composition having high free alkalinity which includes from about 20% to about 40% by weight of an alkali builder constituent; from about 15% to about 25% by weight of a wetting agent mixture comprising; from about 60% to about 85% of an anionic or amphoteric wetting agent selected from the group consisting of anionic surfactants and amphoteric and anionic hydrotropes and from about 15% to about 40% non-ionic wetting agents; and the remainder water.
    Type: Grant
    Filed: August 23, 1991
    Date of Patent: March 9, 1993
    Assignee: Enthone-OMI, Inc.
    Inventors: Lillie C. Tomaszewski, James R. Crain