Patents by Inventor In C. Lim

In C. Lim 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).

  • Filler for heat exchanger
    Patent number: 5490958
    Abstract: An improved filler for cooling tower is disclosed. The filler comprises a substantially rectangular frame (1) which includes several horizontally extending rods 1a and two vertically extending rods 1b each of which connects the ends of said horizontally extending rods respectively at both ends thereof, and a series of consecutive protrusion plates 2 which are formed by two substantially triangular plates between each adjacent horizontal rods 1a, wherein the upper side 21 and lower side 22 of said protrusion plate 2 are secured on the adjacent horizontal rods 1a respectively and the middle portions 25 of said protrusion plates protrude forward in a certain height.
    Type: Grant
    Filed: January 18, 1995
    Date of Patent: February 13, 1996
    Inventor: In C. Lim
  • Blowing agents for thermoplastic compositions
    Patent number: 4500653
    Abstract: The present invention is directed to derivatives of azoles, their preparation and their use as chemical blowing agents for thermoplastic molding compositions. The agents of the invention are characterized in their improved compatibility with the resin wherein they are incorporated.
    Type: Grant
    Filed: September 14, 1983
    Date of Patent: February 19, 1985
    Assignee: Mobay Chemical Corporation
    Inventors: Manfred Schmidt, Mark W. Witman, Gerard E. Reinert, In C. Lim
  • Polycarbonate compositions having low gloss values
    Patent number: 4460733
    Abstract: The present invention is directed to a polycarbonate composition comprising finely divided silica which composition is characterized by low gloss.
    Type: Grant
    Filed: November 29, 1982
    Date of Patent: July 17, 1984
    Assignee: Mobay Chemical Corporation
    Inventors: Russell P. Carter, Jr., In C. Lim, Gerard E. Reinert
  • Novel method for reducing the processing temperature of thermoplastic polymers and novel blowing agent concentrates produced thereby
    Patent number: 4343912
    Abstract: The present invention pertains to a method for reducing the processing temperature of a thermoplastic polymer comprising blending the thermoplastic polymer in powder form with an effective amount of a compound having a softening temperature of about 20.degree. to 200.degree. C. lower than the softening temperature of the thermoplastic polymer. The invention further pertains to novel chemical blowing agent concentrates.
    Type: Grant
    Filed: September 21, 1981
    Date of Patent: August 10, 1982
    Assignee: Mobay Chemical Corporation
    Inventor: In C. Lim
  • Novel method for reducing the processing temperature of thermoplastic polymers
    Patent number: 4313873
    Abstract: The present invention pertains to a method for reducing the processing temperature of a thermoplastic polymer comprising blending the thermoplastic polymer in powder form with an effective amount of a compound having a softening temperature of about 20.degree. to 200.degree. C. lower than the softening temperature of the thermoplastic polymer. The invention further pertains to novel chemical blowing agent concentrates.
    Type: Grant
    Filed: June 18, 1979
    Date of Patent: February 2, 1982
    Assignee: Mobay Chemical Corporation
    Inventor: In C. Lim