Patents by Inventor Thomas W. Isaac

Thomas W. Isaac 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: 5444094
    Abstract: Efficacious aldehyde-free tuberculocidal liquid compositions which are odorless, less-toxic, and essentially irritant-free are disclosed. These compositions consist of a solvent containing a glycol ether and a quaternary ammonium salt and can be used in a method to disinfect and sanitize a variety of surfaces.
    Type: Grant
    Filed: August 24, 1993
    Date of Patent: August 22, 1995
    Assignee: Stepan Company
    Inventors: Arshad Malik, Thomas W. Isaac