Patents by Inventor Chuan-Kang R. Hsieh

Chuan-Kang R. Hsieh 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).

  • Catalytic cracking with reduced emission of noxious gases
    Patent number: 4238317
    Abstract: A cyclic, fluidized catalytic cracking process providing reduced emissions of noxious effluents in regeneration zone flue gases is operated with regenerable, fluidized, solid particles which are circulated throughout the catalytic cracking process cycle and which comprise (1) a cracking catalyst, (2) a metallic reactant which reacts with a sulfur oxide to form a metal- and sulfur-containing compound in the solid particles, and (3) a metallic oxidation promoter.
    Type: Grant
    Filed: August 20, 1979
    Date of Patent: December 9, 1980
    Assignee: Standard Oil Company (Indiana)
    Inventors: Iacovos A. Vasalos, William D. Ford, Chuan-Kang R. Hsieh
  • Catalytic cracking with reduced emission of noxious gases
    Patent number: 4221677
    Abstract: A cyclic, fluidized catalytic cracking process providing reduced emissions of noxious effluents in regeneration zone flue gases is operated with homogeneous or non-homogeneous, regenerable, fluidized, solid particles which are circulated throughout the catalytic cracking process cycle and which comprise (1) a molecular sieve-type cracking catalyst, comprising a cracking catalyst matrix containing crystalline aluminosilicate distributed throughout said matrix and (2) a metallic reactant which reacts with a sulfur oxide to form a metal- and sulfur-containing compound in the solid particles. The method involves regeneration of the cracking catalyst in the presence of a metallic oxidation promoter which can also be a component of the solid particles.
    Type: Grant
    Filed: March 19, 1979
    Date of Patent: September 9, 1980
    Assignee: Standard Oil Company (Indiana)
    Inventors: Iacovos A. Vasalos, William D. Ford, Chuan-Kang R. Hsieh
  • Catalytic cracking with reduced emission of noxious gases
    Patent number: 4153535
    Abstract: A cyclic, fluidized catalytic cracking process providing reduced emissions of noxious effluents in regeneration zone flue gases is operated with homogeneous or non-homogeneous, regenerable, fluidized, solid particles which are circulated throughout the catalytic cracking process cycle and which comprise (1) a molecular sieve-type cracking catalyst, comprising a cracking catalyst matrix containing crystalline aluminosilicate distributed throughout said matrix and (2) a metallic reactant which reacts with a sulfur oxide to form a metal- and sulfur-containing compound in the solid particles. The method involves regeneration of the cracking catalyst in the presence of a metallic oxidation promoter which can also be a component of the solid particles.
    Type: Grant
    Filed: December 8, 1976
    Date of Patent: May 8, 1979
    Assignee: Standard Oil Company (Indiana)
    Inventors: Iacovos A. Vasalos, William D. Ford, Chuan-Kang R. Hsieh