Patents by Inventor Donald Lapham, III

Donald Lapham, III 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).

  • Peracetic Acid Composition
    Publication number: 20090312292
    Abstract: The invention relates to anti-microbial compositions useful against a wide range of microorganisms undesirable on a wide variety of materials, including food, food contact and non-food contact surfaces, and surfaces in industrial, recreational, health care, and other institutional environments. More particularly, the anti-microbial compositions comprise peracetic acid in combination with a) citric acid or a salt and b) salicylic acid or a salt in aqueous solution.
    Type: Application
    Filed: December 20, 2007
    Publication date: December 17, 2009
    Applicant: FMC CORPORATION
    Inventors: John M. Rovison, Donald Lapham, III, Shibu Abraham, Mary Homan
  • Method for treating water using an organic sanitizer and a persulfate
    Patent number: 5501802
    Abstract: Persulfates are used to provide water clarity when organic sanitizers such as biguanides are utilized for sanitizing recreational waters. Persulfate applications of 2 ppm or more can be used. Additionally, maintenance applications of the persulfate or the bisulfate can be used.
    Type: Grant
    Filed: September 23, 1994
    Date of Patent: March 26, 1996
    Assignee: FMC Corporation
    Inventors: Dean S. Thorp, Frank E. Caropreso, Robert H. Tieckelmann, Donald Lapham, III