Patents by Inventor Kwei-Wen Liang

Kwei-Wen Liang 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).

  • Curable composition and method for manufacturing the same
    Patent number: 9045639
    Abstract: A curable composition comprises the following: (A) a polymer having at least two silicon-bonded alkenyl groups and having an average unit formula (I?): (R12SiO2/2)a1(R23SiO1/2)b1(CH2CH2)e1; (B) a branched organopolysiloxane having at least one silicon-bonded alkenyl group and having a siloxane unit of formula R4SiO3/2; (C) an organopolysiloxane having an average unit formula (II) being capped with H: (R52SiO2/2)f(R63SiO1/2)g(R7SiO3/2)h(SiO4/2)i(CH2CH2)j; and (D) a catalyst, wherein R1, R2 and R4 to R7 and a1, b1, e1 and f to j are as defined in the specification.
    Type: Grant
    Filed: April 30, 2014
    Date of Patent: June 2, 2015
    Assignee: Eternal Materials Co., Ltd.
    Inventors: Chih Chiang Yang, Kwei Wen Liang, Hsin Hung Chen, Wan Hsi Yang
  • Curable composition and method for manufacturing the same
    Patent number: 8895662
    Abstract: A curable composition comprises the following: (A) a branched polymer having an average unit formula (I?): [(R?)2SiO2/2]a?[(CH2?CH)(R?)2SiO1/2]b?[R?SiO3/2]c?[O1/2Si(R?)2(CH2CH2)(R?)2SiO1/2]e?; (B) a branched organopolysiloxane having at least one silicon-bonded alkenyl group and having a siloxane unit of formula R4SiO3/2; (C) an organopolysiloxane having an average unit formula (II) being capped with H: (R52SiO2/2)f(R63SiO1/2)g(R7SiO3/2)h(SiO4/2)i(CH2CH2)j; and (D) a catalyst, wherein R?, R4 to R7, a? to c?, e? and f to j are as defined in the specification.
    Type: Grant
    Filed: April 30, 2014
    Date of Patent: November 25, 2014
    Assignee: Eternal Chemical Co., Ltd.
    Inventors: Chih Chiang Yang, Hsin Hung Chen, Wan Hsi Yang, Kwei Wen Liang
  • CURABLE COMPOSITION AND METHOD FOR MANUFACTURING THE SAME
    Publication number: 20140231862
    Abstract: A curable composition comprises the following: (A) a polymer having at least two silicon-bonded alkenyl groups and having an average unit formula (I?): (R12SiO2/2)a1(R23SiO1/2)b1(CH2CH2)e1; (B) a branched organopolysiloxane having at least one silicon-bonded alkenyl group and having a siloxane unit of formula R4SiO3/2; (C) an organopolysiloxane having an average unit formula (II) being capped with H: (R52SiO2/2)f(R63SiO1/2)g(R7SiO3/2)h(SiO4/2)i(CH2CH2)j; and (D) a catalyst, wherein R1, R2 and R4 to R7 and a1, b1, e1 and f to j are as defined in the specification.
    Type: Application
    Filed: April 30, 2014
    Publication date: August 21, 2014
    Applicant: ETERNAL CHEMICAL CO., LTD.
    Inventors: Chih Chiang Yang, Kwei Wen Liang, Hsin Hung Chen, Wan Hsi YANG
  • CURABLE COMPOSITION AND METHOD FOR MANUFACTURING THE SAME
    Publication number: 20140231861
    Abstract: A curable composition comprises the following: (A) a branched polymer having an average unit formula (I?): [(R?)2SiO2/2]a?[(CH2?CH)(R?)2SiO1/2]b?[R?SiO3/2]c?[O1/2Si(R?)2(CH2CH2)(R?)2SiO1/2]e?; (B) a branched organopolysiloxane having at least one silicon-bonded alkenyl group and having a siloxane unit of formula R4SiO3/2; (C) an organopolysiloxane having an average unit formula (II) being capped with H: (R52SiO2/2)f(R63SiO1/2)g(R7SiO3/2)h(SiO4/2)i(CH2CH2)j; and (D) a catalyst, wherein R?, R4 to R7, a? to c?, e? and f to j are as defined in the specification.
    Type: Application
    Filed: April 30, 2014
    Publication date: August 21, 2014
    Applicant: ETERNAL CHEMICAL CO., LTD.
    Inventors: Chih Chiang Yang, Hsin Hung Chen, Wan Hsi Yang, Kwei Wen Liang
  • Curable organopolysiloxane composition and method for manufacturing the same
    Patent number: 8748533
    Abstract: A curable organopolysiloxane composition comprises the following: (A) an organopolysiloxane having at least two silicon-bonded alkenyl groups and having an average unit formula (I): (R12SiO2/2)a(R23SiO1/2)b(R3SiO3/2)c(SiO4/2)d(CH2CH2)e; (B) a branched organopolysiloxane having at least one silicon-bonded alkenyl group and having a siloxane unit of formula R4SiO3/2; (C) an organopolysiloxane having an average unit formula (II) being capped with H: (R52SiO2/2)f(R63SiO1/2)g(R7SiO3/2)h(SiO4/2)i(CH2CH2)j; and (D) a catalyst, wherein R1 to R7 and a to j are as defined in the specification.
    Type: Grant
    Filed: November 22, 2011
    Date of Patent: June 10, 2014
    Assignee: Eternal Chemical Co., Ltd.
    Inventors: Kwei-Wen Liang, Chih-Chiang Yang
  • CURABLE ORGANOPOLYSILOXANE COMPOSITION AND METHOD FOR MANUFACTURING THE SAME
    Publication number: 20120172544
    Abstract: A curable organopolysiloxane composition comprises the following: (A) an organopolysiloxane having at least two silicon-bonded alkenyl groups and having an average unit formula (I): (R12SiO2/2)a(R23SiO1/2)b(R3SiO3/2)c(SiO4/2)d(CH2CH2)e; (B) a branched organopolysiloxane having at least one silicon-bonded alkenyl group and having a siloxane unit of formula R4SiO3/2; (C) an organopolysiloxane having an average unit formula (II) being capped with H: (R52SiO2/2)f(R63SiO1/2)g(R7SiO3/2)h(SiO4/2)i(CH2CH2)j; and (D) a catalyst, wherein R1 to R7 and a to j are as defined in the specification.
    Type: Application
    Filed: November 22, 2011
    Publication date: July 5, 2012
    Inventors: Kwei-Wen Liang, Chih-Chiang Yang