Patents by Inventor Michael J. Hallisy

Michael J. Hallisy 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).

  • Acid extractable petroleum fuel markers
    Patent number: 5490872
    Abstract: Petroleum fuels are tagged with markers having the formula: ##STR1## where R.sup.1 and R.sup.2 are selected from H, methyl, ethyl, methoxy, halogen, cyano and nitro and R.sup.3 is selected from methyl, methoxy methoxyethoxy and morpholino.
    Type: Grant
    Filed: April 28, 1994
    Date of Patent: February 13, 1996
    Assignee: Morton International, Inc.
    Inventors: Michael R. Friswell, Michael J. Hallisy, Michael P. Hinton
  • Process for recycling cured polysulfide sealants
    Patent number: 5349091
    Abstract: Solid waste materials comprising oxidatively-cured, solid polysulfide sealants containing spent oxidant, fillers, plasticizers, and other formulating aids are reverted to a liquid sealant comprising mercaptan-terminated polysulfides by reducing them with a liquid mercaptan-terminated polysulfide at temperatures ranging from about 50.degree. to about 110.degree. C. Upon the addition of fresh curing agent and recuring, the reclaimed sealant has satisfactory tensile strength and elongation properties.
    Type: Grant
    Filed: April 27, 1993
    Date of Patent: September 20, 1994
    Assignee: Morton International, Inc.
    Inventors: Michael J. Hallisy, John R. Gilmore, Steven J. Hobbs, Warren G. Duncan
  • Base extractable petroleum markers
    Patent number: 5252106
    Abstract: Liquid petroleum products are marked with markers having the formula: ##STR1## where the Ws are selected from O--(C.sub.1 -C.sub.3 alkyl) and hydrogen, provided that at least one W is O--(C.sub.1 -C.sub.3 alkyl), the Xs and Ys are the same or different and are selected form hydrogen, alkyl, substituted alkyl, alkenyl, substituted alkenyl, aryl, substituted aryl, fused aryl, substituted fused aryl, halogen, nitro, cyano, and alkoxy.
    Type: Grant
    Filed: July 29, 1992
    Date of Patent: October 12, 1993
    Assignee: Morton International, Inc.
    Inventor: Michael J. Hallisy