Patents by Inventor Wen-Jang Chen

Wen-Jang Chen 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).

  • Patent number: 8293877
    Abstract: The present invention relates to a novel reactive dyestuff with a N-alkylamino group, represented by the following formula (I): wherein A1, A2, R1, R2, R3, R4, (R5)0-2, (R6)0-2, (Z1)0-1, (Z2)0-1, X1, X2 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 amino group fibers.
    Type: Grant
    Filed: March 25, 2010
    Date of Patent: October 23, 2012
    Assignee: Everlight USA, Inc.
    Inventors: Wen-Jang Chen, Chen-Lung Kao, Chien-Yu Chen, Huei-Chin Huang
  • Publication number: 20110015378
    Abstract: The present invention relates to a novel reactive dyestuff with a N-alkylamino group, represented by the following formula (I): wherein A1, A2, R1, R2, R3, R4, (R5)0-2, (R6)0-2, (Z1)0-1, (Z2)0-1, X1, X2 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 amino group fibers.
    Type: Application
    Filed: March 25, 2010
    Publication date: January 20, 2011
    Applicant: Everlight USA, Inc.
    Inventors: Wen-Jang Chen, Chen-Lung Kao, Chien-Yu Chen, Huei-Chin Huang
  • Patent number: 7687612
    Abstract: The present invention relates to a novel reactive dyestuff with dialkylether bridge group, represented by the following formula (I): wherein B, B?, E1, E2, Z, Z?, i, j, (R1)0-3, (R2)0-3, 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 amino group fibers.
    Type: Grant
    Filed: March 9, 2009
    Date of Patent: March 30, 2010
    Assignee: Everlight USA, Inc.
    Inventors: Chien-Yu Chen, Chen-Lung Kao, Wen-Jang Chen
  • 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
  • Patent number: 7666232
    Abstract: A reactive trichromatic set comprising (a) at least one of the following reactive red dye of formula (I), wherein R1, R2, R3, X, D, Z, and n are defined the same as in the specification; (b) at least one reactive yellow dye selected from the following Color Index; C.I. Reactive Yellow 145 and C.I. Reactive Yellow 176; and (c) at least one reactive blue dye selected from the following Color Index; C.I. Reactive Blue 194, C.I. Reactive Blue 221 and C.I. Reactive Blue 222.
    Type: Grant
    Filed: June 22, 2006
    Date of Patent: February 23, 2010
    Assignee: Everlight USA, Inc.
    Inventors: Wen-Jang Chen, Bao-Kun Lai, Te-Chin Sung, Cheng-Hsiang Hsu
  • 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
  • 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
  • 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
  • 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
  • Publication number: 20090018317
    Abstract: The present invention provides a reactive dyestuff with an alkylthio group and a ?-sulfatoethylsulfone group, which is represented by formula (I), wherein D, R, R1, R2, R3, R4, Q, x, and y are defined the same as the specification. The reactive dyestuffs of the present invention not only have characteristics of high solubility, high alkali solubility, and easily being washed off for dyeing cellulose fiber, but also are suitably applied in cold-pad-batch dyeing, continuous-dyeing, printing, and digital printing.
    Type: Application
    Filed: July 10, 2007
    Publication date: January 15, 2009
    Applicant: Everlight USA, Inc.
    Inventors: Wen-Jang Chen, Hong-Chang Huang, Duncan A. S. Phillips, John A. Taylor
  • Patent number: 7439340
    Abstract: A reactive dyestuff containing an alkylthio-s-triazinyl reactive group of the following formula (I) is disclosed, wherein A, X, Y, Z, R, Q, and a are defined the same as the specification. It is suitable for exhaust dyeing, cold batch-up dyeing and continuous dyeing materials that contain hydroxyl group or nitrogen group fibers.
    Type: Grant
    Filed: February 15, 2007
    Date of Patent: October 21, 2008
    Assignee: Everlight USA, Inc.
    Inventors: Wen-Jang Chen, Hsien-Chung Shia, Duncan Adrian Sidney Phillips, John Anthony Taylor
  • Publication number: 20080207881
    Abstract: A reactive dyestuff containing an alkylthio-s-triazinyl reactive group of the following formula (I) is disclosed, wherein A, X, Y, Z, R, Q, and a are defined the same as the specification. It is suitable for exhaust dyeing, cold batch-up dyeing and continuous dyeing materials that contain hydroxyl group or nitrogen group fibers.
    Type: Application
    Filed: April 30, 2008
    Publication date: August 28, 2008
    Applicant: Everlight USA, Inc.
    Inventors: Wen-Jang Chen, Hsien-Chung Shia, Duncan Adrian Sidney Phillips, John Anthony Taylor
  • Patent number: 7390889
    Abstract: The present invention relates to a novel trisazo reactive dyestuff compound of the following formula (I): wherein, R, A, B, D, and m are defined the same as in the specification. The trisazo reactive dyestuff compound of the present invention exhibits the properties of good solubility, good alkali-resistant solubility, and good wash-off, while dyeing cellulose fibers.
    Type: Grant
    Filed: October 5, 2007
    Date of Patent: June 24, 2008
    Assignee: Everlight USA, Inc.
    Inventors: Wen-Jang Chen, Chen-Lung Kao
  • Publication number: 20080039614
    Abstract: A reactive dyestuff containing an alkylthio-s-triazinyl reactive group of the following formula (I) is disclosed, wherein A, X, Y, Z, R, Q, and a are defined the same as the specification. It is suitable for exhaust dyeing, cold batch-up dyeing and continuous dyeing materials that contain hydroxyl group or nitrogen group fibers.
    Type: Application
    Filed: February 15, 2007
    Publication date: February 14, 2008
    Applicant: Everlight USA, Inc.
    Inventors: Wen-Jang Chen, Hsien-Chung Shia, Duncan Adrian Sidney Phillips, John Anthony Taylor
  • Patent number: 7326777
    Abstract: A fiber reactive dyestuff of the following formula (I) wherein the definition of D, R, R1, R2, X and Z have the same meaning as given in the specification. The fiber reactive dyestuff of the present invention is suitable for dyeing and printing on cellulose fiber or fiber materials containing cellulose. Dyed material with various excellent properties in dyed color can be obtained, showing especially outstanding performance in the property of wash fastness, build-up and chlorine fastness.
    Type: Grant
    Filed: October 6, 2005
    Date of Patent: February 5, 2008
    Assignee: Everlight USA, Inc.
    Inventors: Wen-Jang Chen, Hong-Chang Huang
  • Patent number: 7282070
    Abstract: A reactive dye composition having satisfactory reproducibility, leveling, washing off and toughness under balanced affinity and reactivity, and improving Right First Time success ratio, for dyeing a cellulose fiber or fiber materials containing the cellulose fiber. The reactive dye composition comprising: (a) at least one reactive red dyestuff selected from the group consisting of the following formulas, the component (a) is present in an amount ranging from 1% to 99% by weight, and (b) at least one yellow reactive dyestuff selected from the group consisting of the following Color Index: C.I. Reactive Yellow 145 and C.I. Reactive Yellow 176, and at least one blue reactive dyestuff selected from the group consisting of the following Color Index: C.I. Reactive Blue 194, C.I. Reactive Blue 221 and C.I. Reactive Blue 222, the component (b) is present in an amount ranging from 99% to 1% by weight.
    Type: Grant
    Filed: October 19, 2005
    Date of Patent: October 16, 2007
    Assignee: Everlight USA, Inc.
    Inventors: Wen-Jang Chen, Chien-Yu Chen, Bao-Kun Lai, Ya-Chi Tseng
  • Patent number: 7232895
    Abstract: The present invention relates to a disazo red reactive dyestuff containing quaternary ammonium group of the following formula (1): wherein R?, R?, m, n, Y1 and Y2 are defined the same as in the specification. The disazo red reactive dyestuff of the present invention has a good dye uptake while dyeing cellulose fibers, which satisfies the economical demand of high build up in the market.
    Type: Grant
    Filed: October 11, 2006
    Date of Patent: June 19, 2007
    Assignee: Everlight USA, Inc.
    Inventors: Wen-Jang Chen, Chien-Yu Chen, Chen-Lung Kao
  • Publication number: 20070094813
    Abstract: To obtain a reactive trichromatic set has superior reproducibility, and particularly light fastness and alkali perspiration light fastness under balanced affinity and reactivity, and improving Right First Time production, for dyeing cellulose fibers or cellulosic blended fibers is disclosed in the present invention. A reactive trichromatic set comprising (a) at least one of the following reactive red dye of formula (I), wherein R1, R2, R3, X, D, Z, and n are defined the same as in the specification; (b) at least one reactive yellow dye selected from the following Color Index; C.I. Reactive Yellow 145 and C.I. Reactive Yellow 176; and (c) at least one reactive blue dye selected from the following Color Index; C.I. Reactive Blue 194, C.I. Reactive Blue 221 and C.I. Reactive Blue 222.
    Type: Application
    Filed: June 22, 2006
    Publication date: May 3, 2007
    Applicant: Everlight USA, Inc.
    Inventors: Wen-Jang Chen, Bao-Kun Lai, Te-Chin Sung, Cheng-Hsiang Hsu
  • Publication number: 20060254002
    Abstract: To obtain a reactive dye composition having satisfactory reproducibility, leveling, washing off and toughness under balanced affinity and reactivity, and improving Right First Time success ratio, for dyeing a cellulose fiber or fiber materials containing the cellulose fiber. A reactive dye composition, which comprising: (a) at least one reactive red dyestuff having an amido group of the following formula (1) wherein R, R1, R2, R3, X and Q are defined the same as the specification; and (b) at least one yellow reactive dyestuff selected from the group consisting of the following Color Index: C.I. Reactive Yellow 145 and C.I. Reactive Yellow 176, and/or at least one blue reactive dyestuff selected from the group consisting of the following Color Index: C.I. Reactive Blue 194, C.I. Reactive Blue 221 and C.I. Reactive Blue 222.
    Type: Application
    Filed: October 19, 2005
    Publication date: November 16, 2006
    Applicant: Everlight USA, Inc.
    Inventors: Wen-Jang Chen, Chien-Yu Chen, Bao-Kun Lai, Ya-Chi Tseng
  • Patent number: D558886
    Type: Grant
    Filed: June 24, 2005
    Date of Patent: January 1, 2008
    Assignee: Jeou Yih Houseware Co., Ltd
    Inventor: Wen-Jang Chen