Patents by Inventor Nicholas J. Lacamera, Jr.

Nicholas J. Lacamera, Jr. 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: 5512619
    Abstract: A curing composition for concrete that is an effective water barrier and that is relatively easily removed contains an acrylic or a styrene polymer latex and a polysaccharide. The polysaccharide makes the coating composition susceptible to enzyme action and thus easily removable by flooding the surface of the coated concrete with a dilute solution of enzyme reactive with the polysaccharide.
    Type: Grant
    Filed: April 8, 1994
    Date of Patent: April 30, 1996
    Assignee: National Starch and Chemical Investment Holding Corporation
    Inventors: Dennis R. DeWacker, Leon Rosenberg, Nicholas J. Lacamera, Jr.
  • Patent number: 5360847
    Abstract: A coating composition for concrete that is an effective water barrier and that is relatively easily removed comprises an acrylic copolymer or a styrene copolymer latex and a polysaccharide. The polysaccharide makes the coating composition susceptible to enzyme action and thus easily removable by flooding the surface of the coated concrete with a dilute solution of enzyme reactive with the polysaccharide.
    Type: Grant
    Filed: January 19, 1993
    Date of Patent: November 1, 1994
    Assignee: National Starch and Chemical Investment Holding Corp.
    Inventors: Dennis R. Dewacker, Leon Rosenberg, Nicholas J. Lacamera, Jr.