Patents by Inventor Peng Lee Yap
Peng Lee Yap 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).
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Publication number: 20130164733Abstract: New styles of hepatitis C virus (HCV), referred to as HCV-3 and HCV-4, have been identified and sequenced. Antigenic regions of HCV-2, HCV-3 and HCV-4 polypeptides have been identified. Immunoassays for HCV and antibodies thereto are described, which allow more complete screening of blood samples for HCV, and allow HCV genotyping.Type: ApplicationFiled: July 13, 2012Publication date: June 27, 2013Applicant: Common Services AgencyInventors: Peter Simmonds, Shui-Wan Chan, Peng Lee Yap
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Patent number: 8318421Abstract: New styles of hepatitis C virus (HCV), referred to as HCV-3 and HCV-4, have been identified and sequenced. Antigenic regions of HCV-2, HCV-3 and HCV-4 polypeptides have been identified. Immunoassays for HCV and antibodies thereto are described, which allow more complete screening of blood samples for HCV, and allow HCV genotyping.Type: GrantFiled: July 11, 2011Date of Patent: November 27, 2012Assignee: Common Services AgencyInventors: Peter Simmonds, Shiu-Wan Chan, Peng Lee Yap
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Publication number: 20110287410Abstract: New styles of hepatitis C virus (HCV), referred to as HCV-3 and HCV-4, have been identified and sequenced. Antigenic regions of HCV-2, HCV-3 and HCV-4 polypeptides have been identified. Immunoassays for HCV and antibodies thereto are described, which allow more complete screening of blood samples for HCV, and allow HCV genotyping.Type: ApplicationFiled: July 11, 2011Publication date: November 24, 2011Applicant: Common Services AgencyInventors: Peter Simmonds, Shiu-Wan Chan, Peng Lee Yap
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Patent number: 7976849Abstract: New styles of hepatitis C virus (HCV), referred to as HCV-3 and HCV-4, have been identified and sequenced. Antigenic regions of HCV-2, HCV-3 and HCV-4 polypeptides have been identified. Immunoassays for HCV and antibodies thereto are described, which allow more complete screening of blood samples for HCV, and allow HCV genotyping.Type: GrantFiled: March 19, 2010Date of Patent: July 12, 2011Assignee: Common Services AgencyInventors: Peter Simmonds, Shui-Wan Chan, Peng Lee Yap
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Publication number: 20100266624Abstract: New styles of hepatitis C virus (HCV), referred to as HCV-3 and HCV-4, have been identified and sequenced. Antigenic regions of HCV-2, HCV-3 and HCV-4 polypeptides have been identified. Immunoassays for HCV and antibodies thereto are described, which allow more complete screening of blood samples for HCV, and allow HCV genotyping.Type: ApplicationFiled: March 19, 2010Publication date: October 21, 2010Applicant: Common Services AgencyInventors: Peter Simmonds, Shiu-Wan Chan, Peng Lee Yap
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Patent number: 7728121Abstract: The present invention relates to a polynucleic acid composition comprising or consisting of at least one polynucleic acid containing 8 or more contiguous nucleotides corresponding to a nucleotide sequence from the region spanning positions 417 to 957 of the Core/E1 region of HCV type 3; and/or the region spanning positions 4664 to 4730 of the NS3 region of HCV type 3; and/or the region spanning positions 4892 to 5292 of the NS3/4 region of HCV type 3; and/or the region spanning positions 8023 to 8235 of the NS5 region of the BR36 subgroup of HCV type 3a; and/or the coding region of HCV type 4a starting at nucleotide 379 in the core region; and/or the coding region of HCV type 4; and/or the coding region of HCV type 5, with said nucleotide numbering being with respect to the numbering of HCV nucleic acids as shown in Table 1, and with said polynucleic acids containing at least one nucleotide difference with known HCV type 1, and/or HCV type 2 genomes in the above-indicated regions, or the complement thereof.Type: GrantFiled: November 1, 2007Date of Patent: June 1, 2010Assignee: Murex Diagnostics International, Inc.Inventors: Peter Simmonds, Peng Lee Yap, Ian Hugo Pike
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Patent number: 7709006Abstract: New styles of hepatitis C virus (HCV), referred to as HCV-3 and HCV-4, have been identified and sequenced. Antigenic regions of HCV-2, HCV-3 and HCV-4 polypeptides have been identified. Immunoassays for HCV and antibodies thereto are described, which allow more complete screening of blood samples for HCV, and allow HCV genotyping.Type: GrantFiled: January 12, 2007Date of Patent: May 4, 2010Assignee: Common Services AgencyInventors: Peter Simmonds, Shui-Wan Chan, Peng Lee Yap
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Publication number: 20080262211Abstract: The present invention relates to a polynucleic acid composition comprising or consisting of at least one polynucleic acid containing 8 or more contiguous nucleotides corresponding to a nucleotide sequence from the region spanning positions 417 to 957 of the Core/E1 region of HCV type 3; and/or the region spanning positions 4664 to 4730 of the NS3 region of HCV type 3; and/or the region spanning positions 4892 to 5292 of the NS3/4 region of HCV type 3; and/or the region spanning positions 8023 to 8235 of the NS5 region of the BR36 subgroup of HCV type 3a; and/or the coding region of HCV type 4a starting at nucleotide 379 in the core region; and/or the coding region of HCV type 4; and/or the coding region of HCV type 5, with said nucleotide numbering being with respect to the numbering of HCV nucleic acids as shown in Table 1, and with said polynucleic acids containing at least one nucleotide difference with known HCV type 1, and/or HCV type 2 genomes in the above-indicated regions, or the complement thereof.Type: ApplicationFiled: November 1, 2007Publication date: October 23, 2008Inventors: Peter Simmonds, Peng Lee Yap, Ian Hugo Pike
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Patent number: 7198892Abstract: The present invention relates to a polynucleic acid composition comprising or consisting of at least one polynucleic acid containing 8 or more contiguous nucleotides corresponding to a nucleotide sequence from the region spanning positions 417 to 957 of the Core/E1 region of HCV type 3; and/or the region spanning positions 4664 to 4730 of the NS3 region of HCV type 3; and/or the region spanning positions 4892 to 5292 of the NS3/4 region of HCV type 3; and/or the region spanning positions 8023 to 8235 of the NS5 region of the BR36 subgroup of HCV type 3a; and/or the coding region of HCV type 4a starting at nucleotide 379 in the core region; and/or the coding region of HCV type 4; and/or the coding region of HCV type 5, with said nucleotide numbering being with respect to the numbering of HCV nucleic acids as shown in Table 1, and with said polynucleic acids containing at least one nucleotide difference with known HCV type 1, and/or HCV type 2 genomes in the above-indicated regions, or the complement thereof.Type: GrantFiled: March 25, 2005Date of Patent: April 3, 2007Assignee: Common Services AgencyInventors: Peter Simmonds, Peng Lee Yap, Ian Hugo Pike
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Patent number: 7179470Abstract: New styles of hepatitis C virus (HCV), referred to as HCV-3 and HCV-4, have been identified and sequenced. Antigenic regions of HCV-2, HCV-3 and HCV-4 polypeptides have been identified. Immunoassays for HCV and antibodies thereto are described, which allow more complete screening of blood samples for HCV, and allow HCV genotyping.Type: GrantFiled: March 25, 2003Date of Patent: February 20, 2007Assignee: Common Services AgencyInventors: Peter Simmonds, Shui-Wan Chan, Peng Lee Yap
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Patent number: 6881821Abstract: Newly elucidated sequences of hepatitis C virus type 4 and type 5 are described, together with those of a newly discovered type 6. Unique type-specific sequences in the NS4, NS5 and core regions enable HCV detection and genotyping into types 1 to 6. Antigenic peptides and immunoassays are described.Type: GrantFiled: May 5, 1994Date of Patent: April 19, 2005Assignees: Common Services Agency, Murex Diagnostics International Inc.Inventors: Peter Simmonds, Peng Lee Yap, Ian Hugo Pike
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Publication number: 20030198946Abstract: New styles of hepatitis C virus (HCV), referred to as HCV-3 and HCV-4, have been identified and sequenced. Antigenic regions of HCV-2, HCV-3 and HCV-4 polypeptides have been identified. Immunoassays for HCV and antibodies thereto are described, which allow more complete screening of blood samples for HCV, and allow HCV genotyping.Type: ApplicationFiled: March 25, 2003Publication date: October 23, 2003Applicant: COMMON SERVICES AGENCYInventors: Peter Simmonds, Shui-Wan Chan, Peng Lee Yap
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Patent number: 5763159Abstract: New styles of hepatitis C virus (HCV), referred to as HCV-3 and HCV-4, have been identified and sequenced. Antigenic regions of HCV-2, HCV-3 and HCV-4 polypeptides have been identified. Immunoassays for HCV and antibodies thereto are described, which allow more complete screening of blood samples for HCV, and allow HCV genotyping.Type: GrantFiled: July 15, 1994Date of Patent: June 9, 1998Assignee: Common Services AgencyInventors: Peter Simmonds, Shui-Wan Chan, Peng Lee Yap