Patents by Inventor Richard Robert Suchanec

Richard Robert Suchanec 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).

  • Asphalt emulsion containing solidified pyrolytic wood tar oil
    Patent number: 6512090
    Abstract: Asphalt emulsions containing emulsifiers comprising alkali metal or ammonium salts of solidified pyrolytic wood tar oil. Resinous compositions useful as asphalt emulsifiers comprising: (a) solidified pyrolytic wood tar oil and salts thereof, and (b) rosins and salts thereof.
    Type: Grant
    Filed: November 15, 2000
    Date of Patent: January 28, 2003
    Assignee: Hercules Incorporated
    Inventors: Richard Robert Suchanec, Norman Leroy Kennedy
  • Air-entrained concrete with lignin-containing air-entraining agent
    Patent number: 5702521
    Abstract: Resinous compositions comprising lignin and polymerized rosin. Use of salts of the resinous compositions as concrete air-entraining agents and asphalt emulsifiers.
    Type: Grant
    Filed: October 9, 1996
    Date of Patent: December 30, 1997
    Assignee: Hercules Incorporated
    Inventor: Richard Robert Suchanec
  • Asphalt emulsion with lignin-containing emulsifier
    Patent number: 5683497
    Abstract: Resinous compositions comprising lignin and polymerized rosin. Use of salts of the resinous compositions as concrete air-entraining agents and asphalt emulsifiers.
    Type: Grant
    Filed: October 9, 1996
    Date of Patent: November 4, 1997
    Assignee: Hercules Incorporated
    Inventor: Richard Robert Suchanec
  • Lignin-containing resinous compositions
    Patent number: 5656733
    Abstract: Resinous compositions comprising lignin and polymerized rosin. Use of salts of the resinous compositions as concrete air-entraining agents and asphalt emulsifiers.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: August 12, 1997
    Assignee: Hercules Incorporated
    Inventor: Richard Robert Suchanec