Patents by Inventor Christian Piechocki

Christian Piechocki 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).

  • Modified polyoxyethylene epoxy resin amphiphiles and stable aqueous epoxy dispersions thereof
    Patent number: 5118729
    Abstract: The invention is a compound useful for emulsifying an epoxy resin in water, which corresponds toA--X--O--(CH.sub.2 CH.sub.2 O).sub.n --Rwherein:X is the residue of a difunctional compound which is capable of reacting with the primary hydroxy moiety of a monoalkylether of a polyethylene glycol and a 1,2-glycidyl ether moiety;R is C.sub.1-10 alkyl moiety; andn is a positive real number such that the composition is emulsifiable in water.In another embodiment the invention is a water emulsifiable epoxy resin composition which comprises an epoxy resin and the compounds described above. The epoxy resin compositions of this invention are useful in water-borne coating compositions.
    Type: Grant
    Filed: January 4, 1991
    Date of Patent: June 2, 1992
    Assignee: The Dow Chemical Company
    Inventor: Christian Piechocki