Patents by Inventor Joe-Min Lin

Joe-Min Lin 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).

  • Method for preparing lactam
    Publication number: 20020120154
    Abstract: The present invention is related to a method for preparing lactam represented by the following formula: 1
    Type: Application
    Filed: December 14, 2001
    Publication date: August 29, 2002
    Applicant: Dairen Chemical Corporation
    Inventors: Shien-Chang Chen, Fu-Shen Lin, Liang-An Hsu, Cheng-Lin Tsai, Joe-Min Lin
  • Method for preparing lactam
    Patent number: 6350883
    Abstract: The present invention is related to a method for preparing lactam represented by the following formula: wherein R is C2-10 alkylene which may be optionally substituted with C1-6 alkyl or phenyl; R′ is a hydrogen atom, C1-6 alkyl, C1-6 hydroxyalkyl or phenyl. The method for preparing lactam comprises an amination reaction using crystalline aluminosilicate zeolites as catalysts under the condition of gas phase in the presence of (a) lactone, (b) amine and/or ammonia and (c) water.
    Type: Grant
    Filed: November 22, 2000
    Date of Patent: February 26, 2002
    Assignee: Dairen Chemical Corporation
    Inventors: Shien-Chang Chen, Fu-Shen Lin, Liang-An Hsu, Cheng-Lin Tsai, Joe-Min Lin