Patents by Inventor Ronald J. Falcione

Ronald J. Falcione 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: 5725780
    Abstract: A method for flocculating suspended solids from an aqueous system containing water and said suspended solids comprising adding to said aqueous system an effective amount of a flocculating agent, wherein said flocculating agent is a pourable non-aqueous, polymer composition containing less than about 5%, water and greater than 60%, polymer solids. The polymer of the instant polymer compositions may be anionic, non-ionic, cationic or amphoteric. Related compositions are also claimed.
    Type: Grant
    Filed: November 25, 1996
    Date of Patent: March 10, 1998
    Assignee: Calgon Corporation
    Inventors: Michael M. Carpenter, Ronald J. Falcione
  • Patent number: 5647956
    Abstract: A composition comprising aqueous cellulosic furnish, a high molecular weight cationic polymer, and a modified lignin wherein the ratio of the cationic polymer to the modified lignin is from about 10:1 to 1:10 on an active basis is disclosed. A process employing this composition for making paper or paperboard having improved drainage, retention and formation properties is also provided.
    Type: Grant
    Filed: December 4, 1995
    Date of Patent: July 15, 1997
    Assignee: Calgon Corporation
    Inventors: David L. Elliott, Wood E. Hunter, Ronald J. Falcione
  • Patent number: 5567277
    Abstract: A composition comprising an aqueous cellulosic furnish, a high molecular weight cationic polymer, and an anionic polymer comprising a modified lignin wherein the ratio of the cationic polymer to the anionic polymer is from about 10:1 to 1:10 on an active basis is disclosed. A process employing this composition for making paper or paperboard having improved drainage, retention and formation properties is also provided.
    Type: Grant
    Filed: December 4, 1995
    Date of Patent: October 22, 1996
    Assignee: Calgon Corporation
    Inventors: David L. Elliott, Wood E. Hunter, Ronald J. Falcione
  • Patent number: 5501773
    Abstract: A composition comprising an aqueous cellulosic furnish, a high molecular weight cationic polymer, and an anionic polymer comprising a modified lignin wherein the ratio of the cationic polymer to the anionic polymer is from about 10:1 to 1:10 on an active basis is disclosed. A process employing this composition for making paper or paperboard having improved drainage, retention and formation properties is also provided.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: March 26, 1996
    Assignee: Calgon Corporation
    Inventors: David L. Elliott, Ronald J. Falcione, Wood E. Hunter
  • Patent number: 5501772
    Abstract: A composition comprising an aqueous cellulosic furnish, a high molecular weight cationic polymer, and a modified lignin wherein the ratio of the cationic polymer to the modified lignin is from about 10:1 to 1:10 on an active basis is disclosed. A process employing this composition for making paper or paperboard having improved drainage, retention and formation properties is also provided.
    Type: Grant
    Filed: June 7, 1996
    Date of Patent: March 26, 1996
    Assignee: Calgon Corporation
    Inventors: David L. Elliott, Ronald J. Falcione, Wood E. Hunter
  • Patent number: 4908100
    Abstract: A method of improving the retention of starch in papermaking using blends of high and low molecular weight acrylic acid/acrylamide copolymers.
    Type: Grant
    Filed: February 13, 1989
    Date of Patent: March 13, 1990
    Assignee: Calgon Corporation
    Inventors: W. E. Hunter, Ronald J. Falcione
  • Patent number: 4230610
    Abstract: Use of polyacrylates to reduce slurry viscosity and permit utilization of higher solids slurries of magnesium oxide.
    Type: Grant
    Filed: August 1, 1979
    Date of Patent: October 28, 1980
    Assignee: Calgon Corporation
    Inventors: Ronald J. Falcione, Ronald R. McManis, Joseph A. Aufman