Patents by Inventor Sherman J. Mels

Sherman J. Mels 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: 4983266
    Abstract: This invention relates to an electrodeposition process which comprises electrodepositing onto a conducting substrate a coating composition comprising a self-crosslinking polymeric resin which has an average of at least two pendent hydroxy functional groups and an average of at least two pendent ester groups of the general formula: ##STR1## wherein R.sup.1 and R.sup.2 are independently hydrogen, alkyl, substituted alkyl or aryl groups; n is from about 1 to about 5; X is nitrogen, sulfur or phosphorus; and when X is nitrogen or phosphorus, R.sup.3 is hydrogen, lower alkyl, or an aryl group; R.sup.4 is lower alkyl or an aryl group; and when X is sulfur, R.sup.4 is nothing and R.sup.3 is either hydrogen, lower alkyl or aryl.
    Type: Grant
    Filed: December 27, 1988
    Date of Patent: January 8, 1991
    Assignee: The Sherwin-Williams Company
    Inventors: Goutam Gupta, Sherman J. Mels
  • Patent number: 4668360
    Abstract: This invention relates to a water dispersible coating composition which comprises:(i) an acrylic polymer having active hydrogen functionality and quaternary ammonium salt functionality; and(ii) a blocked polyisocyanate. The water dispersible coating composition of this invention can be applied by any means known within the coatings art, but is especially suited for use in cathodic electrodeposition.
    Type: Grant
    Filed: March 16, 1984
    Date of Patent: May 26, 1987
    Assignee: The Sherwin-Williams Company
    Inventors: Sherman J. Mels, Brian C. Petrie, Richard J. Pokusa
  • Patent number: 4561952
    Abstract: This invention relates to a water dispersible coating composition which comprises:(i) an acrylic polymer having active hydrogen functionality and quaternary ammonium salt functionality; and(ii) a blocked polyisocyanate.The water dispersible coating composition of this invention can be applied by any means known within the coatings art, but is especially suited for use in cathodic electrodeposition.
    Type: Grant
    Filed: March 16, 1984
    Date of Patent: December 31, 1985
    Assignee: The Sherwin-Williams Company
    Inventors: Sherman J. Mels, Brian C. Petrie, Richard J. Pokusa
  • Patent number: 4444955
    Abstract: This invention relates to a water dispersible coating composition which comprises:(i) an acrylic polymer having active hydrogen functionality and quaternary ammonium salt functionality; and(ii) a blocked polyisocyanate.The water dispersible coating composition of this invention can be applied by any means known within the coatings art, but is especially suited for use in cathodic electrodeposition.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: April 24, 1984
    Assignee: The Sherwin-Williams Company
    Inventors: Sherman J. Mels, Brian C. Petrie, Richard J. Pokusa
  • Patent number: 4444954
    Abstract: This invention relates to a water dispersible coating composition which comprises:(i) an acrylic polymer having active hydrogen functionality and quaternary ammonium salt functionality; and(ii) a blocked polyisocyanate.The water dispersible coating composition of this invention can be applied by any means known within the coatings art, but is especially suited for use in cathodic electrodeposition.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: April 24, 1984
    Assignee: The Sherwin-Williams Company
    Inventors: Sherman J. Mels, Brian C. Petrie, Richard J. Pokusa