Patents by Inventor Ya-Cing Yu

Ya-Cing Yu 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).

  • Bridge compound with N,N-dialkylamino group and application thereof
    Patent number: 7683208
    Abstract: The present invention relates to a bridge compound with an N,N-dialkylamino group, represented by the following formula (I), wherein, R, R?, R?, R1, R2, B, B?, i, j, m, and n are defined the same as the specification. The novel bridge compound of the present invention is suitable for being used as a bridge group between dyestuffs, ultraviolet absorbers, or one dyestuff and one ultraviolet absorber. In addition, the present invention further provides a dyestuff compound provided from the aforementioned bridge compound.
    Type: Grant
    Filed: February 20, 2008
    Date of Patent: March 23, 2010
    Assignee: Everlight USA, Inc.
    Inventors: Wen-Jang Chen, Hong-Chang Huang, Chien-Yu Chen, Ya-Cing Yu, Chen-Lung Kao, Carolin Michaela Mueller
  • Reactive dyestuff with N,N-dialkylamino bridge group
    Patent number: 7619074
    Abstract: The present invention relates to a novel reactive dyestuff with an N,N-dialkylamino bridge group, represented by the following formula (I): wherein R, B, B?, E1, E2, Z, Z?, i, j, R1, R2, m and n are defined the same as the specification. The reactive dyestuff of the present invention is suitable for exhaust dyeing, cold batch-up dyeing, continuous dyeing, printing and digital spray printing materials that contain hydroxyl group or polyamine fibers.
    Type: Grant
    Filed: May 20, 2008
    Date of Patent: November 17, 2009
    Assignee: Everlight USA, Inc.
    Inventors: Wen-Jang Chen, Ya-Cing Yu, Hong-Chang Huang, Chien-Yu Chen, Chen-Lung Kao, Hsien-Chung Hsia
  • Bis-reactive dye with n,n-dialkylamino bridge group
    Patent number: 7598357
    Abstract: The present invention relates to a novel bis-reactive dye with N,N-dialkylamino bridge group, represented by the following formula (I): wherein E1, E2, R, R1, R2, R3, R4, R5, R6, G, G?, B, B?, X, m, and n are defined the same as the specification. The bis-reactive dye of the present invention is suitable for exhaust dyeing, cold pad batch, continuous dyeing, printing and digital spray printing materials that contain hydroxyl group or polyamine fibers.
    Type: Grant
    Filed: October 28, 2008
    Date of Patent: October 6, 2009
    Assignee: Everlight USA, Inc.
    Inventors: Wen-Jang Chen, Hong-Chang Huang, Ya-Cing Yu
  • Novel reactive dyestuff with N,N-dialkylamino bridge group
    Publication number: 20090176972
    Abstract: The present invention relates to a novel reactive dyestuff with an N,N-dialkylamino bridge group, represented by the following formula (I): wherein R, B, B?, E1, E2, Z, Z?, i, j, R1, R2, m and n are defined the same as the specification. The reactive dyestuff of the present invention is suitable for exhaust dyeing, cold batch-up dyeing, continuous dyeing, printing and digital spray printing materials that contain hydroxyl group or polyamine fibers.
    Type: Application
    Filed: May 20, 2008
    Publication date: July 9, 2009
    Applicant: Everlight USA, Inc.
    Inventors: Wen-Jang Chen, Ya-Cing Yu, Hong-Chang Huang, Chien-Yu Chen, Chen-Lung Kao, Hsien-Chung Hsia
  • Bridge compound with N, N-dialkylamino group and application thereof
    Publication number: 20090054645
    Abstract: The present invention relates to a bridge compound with N,N-dialkylamino group, represented by the following formula (I), wherein, R, R?, R?, R1, R2, B, B?, i, j, m, and n are defined the same as the specification. The novel bridge compound of the present invention is suitable for being used as a bridge group between dyestuffs, ultraviolet absorbers, or one dyestuff and one ultraviolet absorber. In addition, the present invention further provides a dyestuff compound provided from the aforementioned bridge compound.
    Type: Application
    Filed: February 20, 2008
    Publication date: February 26, 2009
    Applicant: Everlight USA, Inc.
    Inventors: Wen-Jang Chen, Hong-Chang Huang, Chien-Yu Chen, Ya-Cing Yu, Chen-Lung Kao, Carolin Michaela Mueller