Patents by Inventor Dingwei Tim Yu

Dingwei Tim 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).

  • Patent number: 6380187
    Abstract: Disclosed is a novel class of thiazole, thiadiazole, and oxadiazole compounds which are substituted at their nuclear carbons by aromatic moieties. These compounds exhibit antifungal activity against a variety of fungi including strains which have proven to be resistant to treatment with known antifungal agents such as Fluconazole.
    Type: Grant
    Filed: December 5, 2000
    Date of Patent: April 30, 2002
    Inventors: Dingwei Tim Yu, Orest Taras Macina, Ila Sircar, Jagadish Chandra Sircar, Christopher Mark Riviello
  • Publication number: 20020002193
    Abstract: Disclosed is a novel class of thiazole, thiadiazole, and oxadiazole compounds which are substituted at their nuclear carbons by aromatic moieties. These compounds exhibit antifungal activity against a variety of fungi including strains which have proven to be resistant to treatment with known antifungal agents such as Fluconazole.
    Type: Application
    Filed: December 5, 2000
    Publication date: January 3, 2002
    Inventors: Dingwei Tim Yu, Orest Taras Macina, Ila Sircar, Jagadish Chandra Sircar, Christopher Mark Riviello
  • Patent number: 6281217
    Abstract: Disclosed is a novel class of thiazole, thiadiazole, and oxadiazole compounds which are substituted at their nuclear carbons by aromatic moieties. These compounds exhibit antifungal activity against a variety of fungi including strains which have proven to be resistant to treatment with known antifungal agents such as Fluconazole.
    Type: Grant
    Filed: December 5, 2000
    Date of Patent: August 28, 2001
    Inventors: Dingwei Tim Yu, Orest Taras Macina, Ila Sircar, Jagadish Chandra Sircar, Christopher Mark Riviello
  • Patent number: 6277873
    Abstract: Disclosed is a novel class of thiazole, thiadiazole, and oxadiazole compounds which are substituted at their nuclear carbons by aromatic moieties. These compounds exhibit antifungal activity against a variety of fungi including strains which have proven to be resistant to treatment with known antifungal agents such as Fluconazole.
    Type: Grant
    Filed: December 5, 2000
    Date of Patent: August 21, 2001
    Inventors: Dingwei Tim Yu, Orest Taras Macina, Ila Sircar, Jagadish Chandra Sircar, Christopher Mark Riviello
  • Publication number: 20010000512
    Abstract: Disclosed is a novel class of thiazole, thiadiazole, and oxadiazole compounds which are substituted at their nuclear carbons by aromatic moieties. These compounds exhibit antifungal activity against a variety of fungi including strains which have proven to be resistant to treatment with known antifungal agents such as Fluconazole.
    Type: Application
    Filed: December 5, 2000
    Publication date: April 26, 2001
    Inventors: Dingwei Tim Yu, Orest Taras Macina, Ila Sircar, Jagadish Chandra Sircar, Christopher Mark Riviello
  • Publication number: 20010000178
    Abstract: Disclosed is a novel class of thiazole, thiadiazole, and oxadiazole compounds which are substituted at their nuclear carbons by aromatic moieties. These compounds exhibit antifungal activity against a variety of fungi including strains which have proven to be resistant to treatment with known antifungal agents such as Fluconazole.
    Type: Application
    Filed: December 5, 2000
    Publication date: April 5, 2001
    Inventors: Dingwei Tim Yu, Orest Taras Macina, Ila Sircar, Jagadish Chandra Sircar, Christopher Mark Riviello
  • Publication number: 20010000177
    Abstract: Disclosed is a novel class of thiazole, thiadiazole, and oxadiazole compounds which are substituted at their nuclear carbons by aromatic moieties. These compounds exhibit antifungal activity against a variety of fungi including strains which have proven to be resistant to treatment with known antifungal agents such as Fluconazole.
    Type: Application
    Filed: December 5, 2000
    Publication date: April 5, 2001
    Inventors: Dingwei Tim Yu, Orest Taras Macina, Ila Sircar, Jagadish Chandra Sircar, Christopher Mark Riviello
  • Patent number: 6156776
    Abstract: Disclosed is a novel class of thiazole, thiadiazole, and oxadiazole compounds which are substituted at their nuclear carbons by aromatic moieties. These compounds exhibit antifungal activity against a variety of fungi including strains which have proven to be resistant to treatment with known antifungal agents such as Fluconazole.
    Type: Grant
    Filed: March 25, 1999
    Date of Patent: December 5, 2000
    Inventors: Dingwei Tim Yu, Orest Taras Macina, Ila Sircar, Jagadish Chandra Sircar, Christopher Mark Riviello
  • Patent number: 6114338
    Abstract: The compounds of the formula: ##STR1## wherein Y is bond or alkylene;Z is bond, alkylene or vinylene;E is(i) 4-15 membered, unsaturated, partially saturated or fully saturated, mono or bicyclic hetero ring containing as hetero atoms, one or two nitrogen atoms, one or two oxygen atoms or one sulfur atom,(ii) 4-15 membered, unsaturated or partially saturated, mono or bicyclic carbocyclic ring, or(iii) --OR.sup.4 (in which R.sup.4 is hydrogen atom, alkyl or alkyl substituted by a hydroxy group);Cyc is benzene, pyridine or imidazole;R.sup.1 is hydrogen or alkyl;R.sup.2 is hydrogen, alkyl, alkoxy or halogen atom;R.sup.3 is hydrogen, alkyl, alkoxy or --COOR.sup.5 (in which R.sup.5 is hydrogen or alkyl);with the proviso that(1) a Cyc ring should not bond to Z through a nitrogen atom in the Cyc ring when Z is vinylene and that(2) Y is not a single bond, when E is --OR.sup.
    Type: Grant
    Filed: October 13, 1999
    Date of Patent: September 5, 2000
    Assignee: ONO Pharmaceutical Co., Ltd.
    Inventors: Sung Jai Lee, Yoshitaka Konishi, Orest Taras Macina, Kigen Kondo, Dingwei Tim Yu, Manton Rodgers Frierson, Masafumi Sugitani
  • Patent number: 6001830
    Abstract: The compounds of the formula: ##STR1## wherein ring ##STR2## is a hetero ring containing nitrogen atom, optionally selected from ##STR3## n is 0-2; Y is bond or alkylene;Z is bond, alkylene or vinylene;E is(i) 4-15 membered, unsaturated, partially saturated or fully saturated, mono or bicyclic hetero ring containing as hetero atoms, 1 or 2 N atoms, 1 or 2 O atoms or 1 S atom,(ii) 4-15 membered, unsaturated or partially saturated, mono or bicyclic carbocyclic ring, or(iii) --OR.sup.4 (in which R.sup.4 is hydrogen atom, alkyl or alkyl substituted by a hydroxy group);Cyc is 5-7 membered, unsaturated, partially saturated or fully saturated, monocyclic hetero ring containing as hetero atoms, 1 or 2 N atoms or 5-7 membered, unsaturated or partially saturated, monocyclic carbocyclic ring;R.sup.1 is H or alkyl;R.sup.2 is H, alkyl, alkoxy or halogen atom;R.sup.3 is H, alkyl, alkoxy or --COOR.sup.5 (in which R.sup.
    Type: Grant
    Filed: November 12, 1998
    Date of Patent: December 14, 1999
    Assignee: Ono Pharmaceutical Co., Ltd.
    Inventors: Sung Jai Lee, Yoshitaka Konishi, Orest Taras Macina, Kigen Kondo, Dingwei Tim Yu, Manton Rodgers Frierson, Masafumi Sugitani
  • Patent number: 5869486
    Abstract: The compounds of the formula: ##STR1## wherein ring ##STR2## is a hetero ring containing nitrogen atom, optionally selected from ##STR3## n is 0-2; Y is bond or alkylene;Z is bond, alkylene or vinylene;E is(i) 4-15 membered, unsaturated, partially saturated or fully saturated, mono or bicyclic hetero ring containing as hetero atoms, 1 or 2 N atoms, 1 or 2 O atoms or 1 S atom,(ii) 4-15 membered, unsaturated or partially saturated, mono or bicyclic carbocyclic ring, or(iii) --OR.sup.4 (in which R.sup.4 is hydrogen atom, alkyl or alkyl substituted by a hydroxy group);Cyc is 5-7 membered, unsaturated, partially saturated or fully saturated, monocyclic hetero ring containing as hetero atoms, 1 or 2 N atoms or 5-7 membered, unsaturated or partially saturated, monocyclic carbocyclic ring;R.sup.1 is H or alkyl;R.sup.2 is H, alkyl, alkoxy or halogen atom;R.sup.3 is H, alkyl, alkoxy or --COOR.sup.5 (in which R.sup.
    Type: Grant
    Filed: February 24, 1995
    Date of Patent: February 9, 1999
    Assignee: Ono Pharmaceutical Co., Ltd.
    Inventors: Sung Jai Lee, Yoshitaka Konishi, Orest Taras Macina, Kigen Kondo, Dingwei Tim Yu, Manton Rodgers Frierson, Masafumi Sugitani