Patents by Inventor Howard B. Agree

Howard B. Agree 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: 6136220
    Abstract: Methods and compositions for detackifying and dispersing, and coagulating/flocculating and dispersing solventborne and waterborne paints, respectively, in paint spray booth waters are disclosed. An aqueous composition of water soluble cationic polymer, nonionic surfactant and amphoteric surfactant is used in conjunction with a silicate compound to treat the paint spray booth waters.
    Type: Grant
    Filed: August 31, 1999
    Date of Patent: October 24, 2000
    Assignee: BetzDearborn Inc.
    Inventors: Howard B. Agree, Barry P. Gunagan, Edward A. Rodzewich
  • Patent number: 5985154
    Abstract: Methods and compositions for detackifying and dispersing, and coagulating/flocculating and dispersing solventborne and waterborne paints, respectively, in paint spray booth waters are disclosed. An aqueous composition of water soluble cationic polymer, nonionic surfactant and amphoteric surfactant is used in conjunction with a silicate compound to treat the paint spray booth waters.
    Type: Grant
    Filed: January 29, 1998
    Date of Patent: November 16, 1999
    Assignee: Betz Dearborn Inc.
    Inventors: Howard B. Agree, Barry P. Gunagan, Edward A. Rodzewich
  • Patent number: 5719224
    Abstract: A method and composition for detackifying or coagulating and flocculating waterborne and mixed waterborne/solventborne paints in paint spray booth water. Aluminum chlorohydrate and a tannin containing polymer, preferably in an aqueous solution, are added to the paint spray booth water to detackify or coagulate and flocculate the paints.
    Type: Grant
    Filed: October 25, 1996
    Date of Patent: February 17, 1998
    Assignee: BetzDearborn Inc.
    Inventors: Howard B. Agree, Jen-Chi Chen, Robert A. Iezzi
  • Patent number: 5660734
    Abstract: Methods of treating circulating water containing oversprayed waterborne and/or solventborne paint, such as in a paint spray booth operation with copolymer of lignosulfonate and a cationic monomer subunit with Na.sub.2 CO.sub.3 and/or NaOH. The method does not require the use of metal salts or silicates.
    Type: Grant
    Filed: January 17, 1996
    Date of Patent: August 26, 1997
    Assignee: BetzDearborn Inc.
    Inventors: Howard B. Agree, Jen-Chi Chen
  • Patent number: 5614103
    Abstract: A method and composition for detackifying or coagulating and flocculating waterborne and mixed waterborne/solventborne paints in paint spray booth water. Aluminum chlorohydrate and a tannin containing polymer, preferably in an aqueous solution, are added to the paint spray booth water to detackify or coagulate and flocculate the paints.
    Type: Grant
    Filed: December 13, 1994
    Date of Patent: March 25, 1997
    Assignee: BetzDearborn, Inc.
    Inventors: Howard B. Agree, Jen-Chi Chen, Robert A. Iezzi
  • Patent number: 5562833
    Abstract: In a paint spray booth wherein water is used to collect oversprayed paint, a process is disclosed for detackifying and coagulating oversprayed paint by the independent and concurrent addition of specific amounts of specific anions and cationic polymers to the water system.
    Type: Grant
    Filed: February 3, 1995
    Date of Patent: October 8, 1996
    Assignee: Betz Laboratories, Inc.
    Inventors: Howard B. Agree, Robert A. Iezzi