Patents by Inventor Shwu-Chen Tsay

Shwu-Chen Tsay 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: 7976876
    Abstract: The present invention relates to an anti-bacterial, anti-virus, and anti-fungus composition, its preparation and use. The composition of the present invention mainly includes the following three ingredients in an adequate ratio: (A) a metal compound having a catalytic function; (B) a mixture of a coenzyme having reducing ability and a quinone, and (C) an additive. The anti-bacterial, anti-virus, and anti-fungus composition of the present invention is capable of destroying viruses as well as killing bacterial and fungi. Therefore, the composition can be formulated as an aerosol and a film for applying to protection devices such as respirators, masks, gloves, filters, condoms, etc. The present composition can also be used in household, vehicle, hospital, school, restaurant, hotel, internet coffee shop for applying to filter of air-conditioner, tap, stool, interior of elevator and its keyboard.
    Type: Grant
    Filed: September 29, 2008
    Date of Patent: July 12, 2011
    Assignee: Well-Being Biochemical Corp.
    Inventors: Jih-ru Hwu, Shwu-chen Tsay
  • Patent number: 7858124
    Abstract: The present invention relates to an anti-bacterial, anti-virus, and anti-fungus composition, its preparation and use. The composition of the present invention mainly includes the following three ingredients in an adequate ratio: (A) a metal compound having a catalytic function; (B) ionic compound, and (C) an additive. The anti-bacterial, anti-virus, and anti-fungus composition of the present invention is capable of destroying viruses as well as killing bacterial and fungi. Therefore, the composition can be formulated as an aerosol and a film for applying to protection devices such as respirators, masks, gloves, filters, condoms, etc. The present composition can also be used in household, vehicle, hospital, school, restaurant, hotel, internet coffee shop for applying to filter of air-conditioner, tap, stool, interior of elevator and its keyboard.
    Type: Grant
    Filed: April 7, 2008
    Date of Patent: December 28, 2010
    Assignee: Well-Being Biochemical Corp.
    Inventors: Jih Ru Hwu, Shwu Chen Tsay
  • Patent number: 7585826
    Abstract: This invention relates to compositions that counteract chemicals such as pesticides and malodorants. Also disclosed are a method for preparing such compositions and a method for applying such compositions to counteract pesticides or malordorants.
    Type: Grant
    Filed: March 22, 2007
    Date of Patent: September 8, 2009
    Assignee: Well-Being Biochemical Corp.
    Inventors: Jih-Ru Hwu, Shwu-Chen Tsay
  • Publication number: 20090098098
    Abstract: The present invention relates to an anti-bacterial, anti-virus, and anti-fungus composition, its preparation and use. The composition of the present invention mainly includes the following three ingredients in an adequate ratio: (A) a metal compound having a catalytic function; (B) a mixture of a coenzyme having reducing ability and quinones, and (C) an additive. The anti-bacterial, anti-virus, and anti-fungus composition of the present invention is capable of destroying viruses as well as killing bacterial and fungi. Therefore, the composition can be formulated as an aerosol and a film for applying to protection devices such as respirators, masks, gloves, filters, condoms, etc. The present composition can also be used in household, vehicle, hospital, school, restaurant, hotel, internet coffee shop for applying to filter of air-conditioner, tap, stool, interior of elevator and its keyboard.
    Type: Application
    Filed: September 29, 2008
    Publication date: April 16, 2009
    Applicant: Well-Being Biochemical Corp.
    Inventors: Jih-Ru Hwu, Shwu-Chen Tsay
  • Publication number: 20080254141
    Abstract: The present invention relates to an anti-bacterial, anti-virus, and anti-fungus composition, its preparation and use. The composition of the present invention mainly includes the following three ingredients in an adequate ratio: (A) a metal compound having a catalytic function; (B) ionic compound, and (C) an additive. The anti-bacterial, anti-virus, and anti-fungus composition of the present invention is capable of destroying viruses as well as killing bacterial and fungi. Therefore, the composition can be formulated as an aerosol and a film for applying to protection devices such as respirators, masks, gloves, filters, condoms, etc. The present composition can also be used in household, vehicle, hospital, school, restaurant, hotel, internet coffee shop for applying to filter of air-conditioner, tap, stool, interior of elevator and its keyboard.
    Type: Application
    Filed: April 7, 2008
    Publication date: October 16, 2008
    Applicant: Well-Being biochemical Corp.
    Inventors: Jih-ru Hwu, Shwu-chen Tsay
  • Publication number: 20080234158
    Abstract: This invention relates to compositions that counteract chemicals such as pesticides and malodorants. Also disclosed are a method for preparing such compositions and a method for applying such compositions to counteract pesticides or malordorants.
    Type: Application
    Filed: March 22, 2007
    Publication date: September 25, 2008
    Inventors: Jih Ru Hwu, Shwu-Chen Tsay
  • Patent number: 7387799
    Abstract: The present invention relates to an anti-bacterial, anti-viral, and anti-fungus composition, its preparation and use. The composition of the present invention mainly includes the following three ingredients in an adequate ratio: (A) a metal compound having catalytic function; (B) ionic compound, and (C) an additive. The anti-bacterial, anti-virus, and anti-fungus composition of the present invention is capable of destroying viruses as well as killing bacterial and fungi. Therefore, the composition can be formulated as an aerosol and a film for applying to protection devices such as respirators, masks, gloves, filters, condoms, etc. The present composition can also be used in household, vehicle, hospital, school, restaurant, hotel, internet coffee shop for applying to filter of air-conditioner, tap, stool, interior of elevator and its keyboard.
    Type: Grant
    Filed: July 29, 2003
    Date of Patent: June 17, 2008
    Assignee: Well-Being Biochemical Corp.
    Inventors: Jih-Ru Hwu, Shwu-Chen Tsay
  • Patent number: 7282606
    Abstract: The present invention discloses a new process for the synthesis of tamsulosin and its aralkylamine derivatives, especially (R)-(?)-5-{2-[2-(2-alkoxyphenoxy) ethylamino]propyl}-2-alkoxybenzenesulfonamides having the following formula 1 (where R1 and R2 represent C1-C4 alkyl groups) and their hydrochloride thereof, and other various pharmaceutical used salts. Tamsulosin hydrochloride (R1=Et, R2=Me, in its hydrochloride salt form) is an antagonist of ?-A adrenoceptors in the prostate. Tamsulosin•HCl occurs as white crystals, which melt with decomposition at approximately 230° C. It is sparingly soluble in water and in methanol, slightly soluble in glacial acetic acid and in ethanol, and practically insoluble in ether.
    Type: Grant
    Filed: July 13, 2005
    Date of Patent: October 16, 2007
    Assignees: Well-Being Biochemical Corp., Taiwan Biotech Co., Ltd.
    Inventors: Ru Hwu Jih, Shwu Chen Tsay, Balaachary Magendran, Subhasish K. Chakraborty, Asish R. Das, Kuen Wang Sheu, Chun Mei Shu, Chin Kun Lu, Wei Min Chang
  • Publication number: 20070152569
    Abstract: The present invention relates to novel benzo[b]furan derivatives, particular to novel benzo[b]furan derivatives having substituents at the 4-position. The present invention also relates to a use of the benzo[b]furan derivatives as electroluminescent material in OLED.
    Type: Application
    Filed: January 4, 2006
    Publication date: July 5, 2007
    Inventors: Jih-Ru Hwu, Shwu-Chen Tsay, Kao-Shuh Chuang
  • Publication number: 20060246148
    Abstract: The present invention relates to an anti-bacterial, anti-virus, and anti-fungus composition, its preparation and use. The composition of the present invention mainly includes the following three ingredients in an adequate ratio: (A) a metal compound having a catalytic function; (B) a mixture of a coenzyme having reducing ability and an agent having oxidizing ability; and (C) an additive. The anti-bacterial, anti-virus, and anti-fungus composition of the present invention is capable of destroying viruses as well as killing bacterial and fungi. Therefore, the composition can be formulated as an aerosol and a film for applying to protection devices such as respirators, masks, gloves, filters, condoms, etc. The present composition can also be used in household, vehicle, hospital, school, restaurant, hotel, internet coffee shop for applying to filter of air-conditioner, tap, stool, interior of elevator and its keyboard.
    Type: Application
    Filed: February 1, 2006
    Publication date: November 2, 2006
    Inventors: Jih-Ru Hwu, Shwu-Chen Tsay
  • Patent number: 6812247
    Abstract: A metal complex and its use for binding or cleaving a nucleic acid. The metal complex has the formula: M is Pt, Pd, Ni, Co, or Cu; X is aryl, heteroaryl, cyclyl, or heterocyclyl; Y is halogen, tosylate, mesylate, triflate, pyrophosphate, or carboxylate; each of A1 and A2, independently, is N or C; each of A3 and A4, independently, is N, S, or O, wherein A1, A2, A3, and A4 taken together have one positive charge; and each of R1 and R2, independently, is alkyl, aryl, heteroaryl, alkoxyl, aryloxyl, heteroaryloxyl, alkoxylcarbonyl, aryloxylcarbonyl, or heteroaryloxylcarbonyl.
    Type: Grant
    Filed: September 30, 2002
    Date of Patent: November 2, 2004
    Assignee: Academia Sinica
    Inventors: Kuang-Lieh Lu, Jih-Ru Hwu, Shwu-Chen Tsay, Sheng-Fa Yu, Jui-Te Hung, Jiann-Jyh Huang
  • Publication number: 20030105068
    Abstract: A metal complex and its use for binding or cleaving a nucleic acid.
    Type: Application
    Filed: September 30, 2002
    Publication date: June 5, 2003
    Inventors: Kuang-Lieh Lu, Jih-Ru Hwu, Shwu-Chen Tsay, Sheng-Fa Yu, Jui-Te Hung, Jiann-Jyh Huang
  • Patent number: 6458833
    Abstract: A metal complex and its use for binding or cleaving a nucleic acid. The metal complex has the formula: M is Pt, Pd, Ni, Co, or Cu; X is aryl, heteroaryl, cyclyl, or heterocyclyl; Y is halogen, tosylate, mesylate, triflate, pyrophosphate, or carboxylate; each of A1 and A2, independently, is N or C; each of A3 and A4, independently, is N, S, or 0, wherein A1, A2, A3, and A4 taken together have one positive charge; and each of R1 and R2, independently, is alkyl, aryl, heteroaryl, alkoxyl, aryloxyl, heteroaryloxyl, alkoxylcarbonyl, aryloxylcarbonyl, or heteroaryloxylcarbonyl.
    Type: Grant
    Filed: November 20, 2001
    Date of Patent: October 1, 2002
    Assignee: Academia Sinica
    Inventors: Kuang-Lieh Lu, Jih-Ru Hwu, Shwu-Chen Tsay, Sheng-Fa Yu, Jui-Te Hung, Jiann-Jyh Huang
  • Patent number: 6348454
    Abstract: An isodethiaazacephem derivative having the following formula (I): wherein RI is hydrogen or —SO2RIII; RII is —CO2RIV or —SO2RIII in which RIII is a hydrogen, C1-C6 alkyl, aralkyl having a total carbon number of 7-12, aryl, or a halogenated C1-C6 alkyl; and RIV is a hydrogen, C1-C6 alkyl, aralkyl having a total carbon number of 7-12 or aryl; and RV is a substituted acetamido radical.
    Type: Grant
    Filed: May 12, 1999
    Date of Patent: February 19, 2002
    Assignee: National Science Council
    Inventors: Jih Ru Hwu, Shwu-Chen Tsay, Shahram Hakimelahi
  • Patent number: 6288265
    Abstract: A series of phloroglucide derivatives are synthesized, which possess potent antibacterial activities. They include unsymmetrical phloroglucide analogs, phloroglucides attached to cephalosporins at the C-3′ position, and 7-(phloroglucidamido)cephalosporins.
    Type: Grant
    Filed: September 20, 1999
    Date of Patent: September 11, 2001
    Assignee: National Science Council
    Inventors: Jih Ru Hwu, Shwu-Chen Tsay, Gholam H. Hakimelahi, Chun Chieh Lin, Wen Nan Tseng, Ali A. Moshfegh, Abdolmajid Azaripour, Hasan Mottaghian
  • Patent number: 6121255
    Abstract: A phloroglucide derivative having the following formula: ##STR1## wherein Q is halogen; X is CH.sub.2 or C.dbd.O; Y is cephalosporin having a formula of ##STR2## wherein Ph is phenyl, Ac is acetoxy, or pharmaceutically acceptable salts thereof, and an antibacterial pharmaceutical composition derived thereof.
    Type: Grant
    Filed: May 4, 1998
    Date of Patent: September 19, 2000
    Assignee: National Science Council
    Inventors: Jih Ru Hwu, Shwu-Chen Tsay, Gholam H. Hakimelahi, Chun Chieh Lin, Wen Nan Tseng, Ali A. Moshfegh, Abdolmajid Azaripour, Hasan Mottaghian
  • Patent number: 5760013
    Abstract: Novel thymidylate analogs having the following formula are synthesized in the present invention, which are found active against human immunodeficiency virus type 1 (HIV-1): ##STR1## wherein R.sup.1 is hydrogen, cyano (--CN), halogen or azido (--N.sub.3); R.sup.2 is hydroxyl or an amino ester radical having a formula of --NHR.sup.4 COOR.sup.5, wherein R.sup.4 is a bivalent C.sub.1 -C.sub.4 saturated hydrocarbon and R.sup.5 is C.sub.1 -C.sub.4 alkyl; Me is methyl; and R.sup.
    Type: Grant
    Filed: August 21, 1996
    Date of Patent: June 2, 1998
    Assignee: National Science Council
    Inventors: Jih Ru Hwu, Gholam H. Hakimelahi, Shwu-Chen Tsay
  • Patent number: 5734032
    Abstract: The present invention discloses a photo-induced DNA-cleaving agent composition comprises N-aryl-N-(alkyl or arylalkyl)hydroxylamine having the following formula: ##STR1## wherein R is C.sub.1 -C.sub.6 alkyl, phenyl, C.sub.1 -C.sub.6 alkoxy, phenoxy, C.sub.1 -C.sub.6 alkoxycarbonyl, halogen or halo(C.sub.1 -C.sub.6 alkyl)wherein R.sub.1 is hydrogen, C.sub.1 -C.sub.6 alkyl, phenyl, C.sub.1 -C.sub.6 alkoxy, C.sub.1 -C.sub.6 alkoxycarbonyl, halogen or halo(C.sub.1 -C.sub.6 alkyl); R.sub.2 is hydrogen; R.sub.3 is hydrogen or phenyl; R.sub.4 is hydrogen, phenyl, hydroxylphenyl, methoxyphenyl, dimethoxyphenyl, dimethylaminophenyl or naphthyl. The present N-aryl-N-(alkyl or arylalkyl)hydroxylamine is stable in dark, but it can react with O.sub.2 to form HO.multidot. radicals under irradiation of UV light for a period of 2-3 hours. The HO.multidot. radicals then react with DNA to accomplish cleavage of DNA.
    Type: Grant
    Filed: December 29, 1995
    Date of Patent: March 31, 1998
    Assignee: National Science Council
    Inventors: Jih Ru Hwu, Shwu-Chen Tsay, Buh-Luen Chen, Himatkumar V. Patel, Wan-Lin Chen, Chun Chieh Lin, Ching-Tai Chou
  • Patent number: 5733890
    Abstract: Novel adenylate analogs having the following formula are synthesized in the present invention, which are found active against herpes simplex viruses: ##STR1## wherein R.sup.1 is hydroxyl, C.sub.1 -C.sub.4 alkoxy, an amino ester radical of --NHR.sup.3 COOR.sup.4, wherein R.sup.3 is a bivalent C.sub.1 -C.sub.4 saturated hydrocarbon and R.sup.4 is C.sub.1 -C.sub.4 alkyl; and R.sup.2 is hydroxyl, --O.sup.+ NH.sub.
    Type: Grant
    Filed: October 9, 1996
    Date of Patent: March 31, 1998
    Assignee: National Science Council
    Inventors: Jih Ru Hwu, Gholam H. Hakimelahi, Shwu-Chen Tsay, Ali A. Moosavi-Movahedi, Majid M. Sadeghi
  • Patent number: 5527683
    Abstract: The present invention discloses a photo-induced DNA-cleaving agent composition comprises N-aryl-N-(alkyl or arylalkyl)hydroxylamine having the following formula: ##STR1## wherein R is C.sub.1 -C.sub.6 alkyl, phenyl, C.sub.1 -C.sub.6 alkoxy, phenoxy, C.sub.1 -C.sub.6 alkoxycarbonyl, halogen or halo(C.sub.1 -C.sub.6 alkyl)wherein R.sub.1 is hydrogen, C.sub.1 -C.sub.6 alkyl, phenyl, C.sub.1 -C.sub.6 alkoxy, C.sub.1 -C.sub.6 alkoxycarbonyl, halogen or halo(C.sub.1 -C.sub.6 alkyl); R.sub.2 is hydrogen; R.sub.3 is hydrogen or phenyl; R.sub.4 is hydrogen, phenyl, hydroxylphenyl, methoxyphenyl, dimethoxyphenyl, dimethylaminophenyl or naphthyl. The present N-aryl-N-(alkyl or arylalkyl)hydroxylamine is stable in dark, but it can react with O.sub.2 to form HO. radicals under irradiation of UV light for a period of 2-3 hours. The HO. radicals then react with DNA to accomplish cleavage of DNA.
    Type: Grant
    Filed: March 20, 1995
    Date of Patent: June 18, 1996
    Assignee: National Science Council
    Inventors: Jih R. Hwu, Shwu-Chen Tsay, Buh-Luen Chen, Himatkumar V. Patel, Wan-Lin Chen, Chun C. Lin, Ching-Tai Chou