Patents by Inventor Rajat S. Basu

Rajat S. Basu 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).

  • Azeotrope-like compositions of 1,1-dichloro-1-fluoroethane, dichlorotrifluoroethane and ethanol
    Patent number: 4863630
    Abstract: Azeotrope-like compositions comprising 1,1-dichoro-1-fluoroethane, dichlorotrifluoroethane and ethanol are stable and have utility as degreasing agents and as solvents in a variety of industrial cleaning applications including cold cleaning and defluxing of printed circuit boards.
    Type: Grant
    Filed: March 29, 1989
    Date of Patent: September 5, 1989
    Assignee: Allied-Signal Inc.
    Inventors: Ellen L. Swan, Rajat S. Basu
  • Azeotrope-like compositions of dichlorotrifluoroethane, methanol and nitromethane
    Patent number: 4816176
    Abstract: Azeotrope-like compositions comprising dichlorotrifluoroethane, methanol and nitromethane are stable and have utility as degreasing agents and as solvents in a variety of industrial cleaning applications including cold cleaning and defluxing of printed circuit boards.
    Type: Grant
    Filed: April 4, 1988
    Date of Patent: March 28, 1989
    Assignee: Allied-Signal Inc.
    Inventors: Earl A. E. Lund, Rajat S. Basu, David P. Wilson
  • Azeotrope-like compositions of dichlorotrifluoroethane, methanol, cyclopentane and nitromethane
    Patent number: 4816175
    Abstract: Azeotrope-like compositions comprising dichlorotrifluoroethane, methanol, cyclopentane and nitromethane are stable and have utility as degreasing agents and as solvents in a variety of industrial cleaning applications including cold cleaning and defluxing of printed circuit boards.
    Type: Grant
    Filed: April 25, 1988
    Date of Patent: March 28, 1989
    Assignee: Allied-Signal Inc.
    Inventors: Earl A. E. Lund, Rajat S. Basu, David P. Wilson
  • Azeotrope-like compositions of trichlorotrifluoroethane, acetone, nitromethane and hexane
    Patent number: 4790955
    Abstract: Azeotrope-like compositions comprising of trichlorotrifluoroethane, acetone, nitromethane and hexane are stable and have utility as degreasing agents and as solvents in a variety of industrial cleaning applications.
    Type: Grant
    Filed: December 24, 1984
    Date of Patent: December 13, 1988
    Assignee: Allied-Signal Inc.
    Inventors: Earl E. A. Lund, David P. Wilson, Rajat S. Basu, Hang T. Pham
  • Azeotrope-like compositions of trichlorotrifluoroethane, methanol, nitromethane, acetone, and methyl acetate
    Patent number: 4683075
    Abstract: Azeotrope-like compositions comprising of trichlorotrifluoroethane, methanol, nitromethane, acetone, and methyl acetate which are stable and have utility as vapor degreasing agents and as solvents in a variety of industrial cleaning applications including the defluxing of printed circuit boards.
    Type: Grant
    Filed: July 23, 1986
    Date of Patent: July 28, 1987
    Assignee: Allied Corporation
    Inventors: David P. Wilson, Hang T. Pham, Earl A. E. Lund, Rajat S. Basu, John W. Pelava
  • Azeotrope-like compositions of trichlorotrifluoroethane, methanol, nitromethane and hexane
    Patent number: 4655956
    Abstract: Azeotrope-like compositions comprising of trichlorotrifluoroethane, methanol, nitromethane and hexane which are stable and have utility as vapor degreasing agents and as solvents in a variety of industrial cleaning applications including the defluxing of printed circuit boards.
    Type: Grant
    Filed: October 2, 1985
    Date of Patent: April 7, 1987
    Assignee: Allied Corporation
    Inventors: Rajat S. Basu, David P. Wilson, Earl A. E. Lund, Hang T. Pham, John K. Bonner
  • Azeotrope-like compositions of trichlorotrifluoroethane, methanol, acetone, nitromethane and hexane
    Patent number: 4654160
    Abstract: Azeotrope-like compositions comprising of trichlorotrifluoroethane, methanol, acetone, nitromethane and hexane which are stable and have utility as vapor degreasing agents and as solvents in a variety of industrial cleaning applications including the defluxing of printed circuit boards.
    Type: Grant
    Filed: October 11, 1985
    Date of Patent: March 31, 1987
    Assignee: Allied Corporation
    Inventors: David P. Wilson, Rajat S. Basu, Hang T. Pham, Earl A. E. Lund, John K. Bonner
  • Azeotrope-like compositions of trichlorotrifluoroethane, ethanol, acetone, nitromethane and hexane
    Patent number: 4606841
    Abstract: Azeotrope-like compositions comprising of trichlorotrifluoroethane, ethanol, acetone, nitromethane and hexane are stable and have utility as degreasing agents and as solvents in a variety of industrial cleaning applications.
    Type: Grant
    Filed: November 28, 1984
    Date of Patent: August 19, 1986
    Assignee: Allied Corporation
    Inventors: Rajat S. Basu, Earl A. E. Lund, Hang T. Pham, David P. Wilson
  • Azeotrope-like compositions of trichlorotrifluoroethane, ethanol, nitromethane and 2-methylpentane or a mixture of hexanes
    Patent number: 4584122
    Abstract: Azeotrope-like compositions comprising trichlorotrifluoroethane, ethanol, nitromethane and 2-methylpentane or a mixture of hexanes which are stable and have utility as degreasing agents and as solvents in a variety of industrial cleaning applications.
    Type: Grant
    Filed: November 28, 1984
    Date of Patent: April 22, 1986
    Assignee: Allied Corporation
    Inventors: Rajat S. Basu, Earl A. E. Lund, Hang T. Pham, David P. Wilson, Hillel Magid