Patents by Inventor Gregory J. McGiffney

Gregory J. McGiffney 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: 5866011
    Abstract: A method of treating water to inhibit the formation of salt scale is disclosed. The method is particularly effective at inhibiting the formation and deposition of mineral salts in brine concentration and evaporation systems. The method comprises introducing into the system a polyepoxysuccinic acid of the general formula: ##STR1## where n ranges from about 2 to about 50, M is hydrogen or a water soluble cation such as Na.sup.+, NH.sub.4.sup.+ or K.sup.+ and R is hydrogen, C.sub.1-4 alkyl or C.sub.1-4 substituted alkyl.
    Type: Grant
    Filed: April 30, 1997
    Date of Patent: February 2, 1999
    Assignee: BetzDearborn Inc.
    Inventor: Gregory J. McGiffney