Patents by Inventor Yu-Ying Yang
Yu-Ying Yang 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: 20240374699Abstract: The present invention relates to new immunogenic compositions comprising conjugated Streptococcus pneumoniae capsular saccharide antigens (glycoconjugates) and uses thereof. Immunogenic compositions of the present invention will typically comprise at least one glycoconjugate from a S. pneumoniae serotype not found in PREVNAR®, SYNFLORIX® and/or PREVNAR 13®. The invention also relates to vaccination of human subjects, in particular infants and elderly, against pneumococcal infections using said novel immunogenic compositions.Type: ApplicationFiled: December 6, 2023Publication date: November 14, 2024Inventors: Emilio Anthony Emini, Wendy Jo Watson, Avvari Krishna Prasad, Mingming Han, Jin-Hwan Kim, Jianxin Gu, Yu-ying Yang, Rajesh Kumar Kainthan, David Cooper, Michael William Pride, Kathrin Ute Jansen
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Publication number: 20240033367Abstract: The present invention relates generally to glycoconjugates comprising a saccharide covalently conjugated to a carrier protein through a spacer containing ((2-oxoethyl)thio)). In an aspect the invention provides oxo-eT linked glycoconjugates comprising a saccharide covalently conjugated to a carrier protein through a ((2-oxoethyl)thio) spacer having the formula (I): wherein: A is a group (C?X)m wherein X is S or O and m is 0 or 1; B is a bond, O, or CH2; and when m is 0, B can also be (C?O); R is a C2-C16 alkylene, C2-C16 heteroakylene, NH—C(?O)—C2-C16 alkylene, or NH—C(?O)—C2-C16 heteroakylene, wherein said alkylene and heteroalkylene are optionally substituted by 1, 2 or 3 groups independently selected from COOR? where R? is selected from H, methyl, ethyl or propyl. The invention further relates to immunogenic compositions comprising such glycoconjugates, and to methods for the preparation and use of such glycoconjugates and immunogenic compositions.Type: ApplicationFiled: June 6, 2023Publication date: February 1, 2024Inventors: Jianxin Gu, Rajesh Kumar Kainthan, Jin-Hwan Kim, Avvari Krishna Prasad, Yu-Ying Yang
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Patent number: 11872274Abstract: The present invention relates to new immunogenic compositions comprising conjugated Streptococcus pneumoniae capsular saccharide antigens (glycoconjugates) and uses thereof. Immunogenic compositions of the present invention will typically comprise at least one glycoconjugate from a S. pneumoniae serotype not found in PREVNAR®, SYNFLORIX® and/or PREVNAR 13®. The invention also relates to vaccination of human subjects, in particular infants and elderly, against pneumococcal infections using said novel immunogenic compositions.Type: GrantFiled: March 6, 2021Date of Patent: January 16, 2024Assignee: Pfizer Inc.Inventors: Emilio Anthony Emini, Wendy Jo Watson, Avvari Krishna Prasad, Mingming Han, Jin-Hwan Kim, Jianxin Gu, Yu-Ying Yang, Rajesh Kumar Kainthan, David Cooper, Michael William Pride, Kathrin Ute Jansen
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Publication number: 20230355735Abstract: The invention provides eTEC linked glycoconjugates comprising a saccharide covalently conjugated to a carrier protein through a (2-((2-oxoethyl)thio)ethyl)carbamate (eTEC) spacer, immunogenic compositions comprising such glycoconjugates, and methods for the preparation and use of such glycoconjugates and immunogenic compositions.Type: ApplicationFiled: June 21, 2023Publication date: November 9, 2023Inventors: Jianxin Gu, Jin-hwan Kim, Avvari Krishna Prasad, Yu-ying Yang
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Patent number: 11723965Abstract: The invention provides eTEC linked glycoconjugates comprising a saccharide covalently conjugated to a carrier protein through a (2-((2-oxoethyl)thio)ethyl)carbamate (eTEC) spacer, immunogenic compositions comprising such glycoconjugates, and methods for the preparation and use of such glycoconjugates and immunogenic compositions.Type: GrantFiled: August 5, 2021Date of Patent: August 15, 2023Assignee: Pfizer Inc.Inventors: Jianxin Gu, Jin-hwan Kim, Avvari Krishna Prasad, Yu-ying Yang
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Patent number: 11707529Abstract: The present invention relates generally to glycoconjugates comprising a saccharide covalently conjugated to a carrier protein through a spacer containing ((2-oxoethyl)thio)). In an aspect the invention provides oxo-eT linked glycoconjugates comprising a saccharide covalently conjugated to a carrier protein through a ((2-oxoethyl)thio) spacer having the formula (I): wherein: A is a group (C?X)m wherein X is S or O and m is 0 or 1; B is a bond, O, or CH2; and when m is 0, B can also be (C?O); R is a C2-C16 alkylene, C2-C16 heteroakylene, NH—C(?O)—C2-C16 alkylene, or NH—C(?O)—C2-C16 heteroakylene, wherein said alkylene and heteroalkylene are optionally substituted by 1, 2 or 3 groups independently selected from COOR? where R? is selected from H, methyl, ethyl or propyl. The invention further relates to immunogenic compositions comprising such glycoconjugates, and to methods for the preparation and use of such glycoconjugates and immunogenic compositions.Type: GrantFiled: April 20, 2020Date of Patent: July 25, 2023Assignee: Pfizer Inc.Inventors: Jianxin Gu, Rajesh Kumar Kainthan, Jin-Hwan Kim, Avvari Krishna Prasad, Yu-Ying Yang
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Publication number: 20220378897Abstract: The invention relates to activated Streptococcus pneumoniae serotype 10A, 22F or 33F polysaccharides and processes for their preparation. The invention also relates to immunogenic conjugates comprising Streptococcus pneumoniae serotype 10A, 22F or 33F polysaccharides covalently linked to a carrier protein, processes for their preparation and immunogenic compositions and vaccines comprising them.Type: ApplicationFiled: July 22, 2022Publication date: December 1, 2022Applicant: Pfizer Inc.Inventors: Jianxin Gu, Rajesh Kumar Kainthan, Jin-Hwan Kim, Avvari Krishna Prasad, Yu-Ying Yang
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Patent number: 11426456Abstract: The invention relates to activated Streptococcus pneumoniae serotype 10A, 22F or 33F polysaccharides and processes for their preparation. The invention also relates to immunogenic conjugates comprising Streptococcus pneumoniae serotype 10A, 22F or 33F polysaccharides covalently linked to a carrier protein, processes for their preparation and immunogenic compositions and vaccines comprising them.Type: GrantFiled: October 1, 2020Date of Patent: August 30, 2022Assignee: Pfizer Inc.Inventors: Jianxin Gu, Rajesh Kumar Kainthan, Jin-Hwan Kim, Avvari Krishna Prasad, Yu-Ying Yang
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Publication number: 20220096619Abstract: The invention provides eTEC linked glycoconjugates comprising a saccharide covalently conjugated to a carrier protein through a (2-((2-oxoethyl)thio)ethyl)carbamate (eTEC) spacer, immunogenic compositions comprising such glycoconjugates, and methods for the preparation and use of such glycoconjugates and immunogenic compositions.Type: ApplicationFiled: August 5, 2021Publication date: March 31, 2022Inventors: Jianxin Gu, Jin-hwan Kim, Avvari Krishna Prasad, Yu-ying Yang
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Patent number: 11160855Abstract: The present invention relates to new immunogenic compositions comprising conjugated Streptococcus pneumoniae capsular saccharide antigens (glycoconjugates) and uses thereof. Immunogenic compositions of the present invention will typically comprise at least one glycoconjugate from a S. pneumoniae serotype not found in PREVNAR®, SYNFLORIX® and/or PREVNAR 13®. The invention also relates to vaccination of human subjects, in particular infants and elderly, against pneumoccocal infections using said novel immunogenic compositions.Type: GrantFiled: October 6, 2016Date of Patent: November 2, 2021Assignee: Pfizer Inc.Inventors: Emilio Anthony Emini, Wendy Jo Watson, Avvari Krishna Prasad, Mingming Han, Jin-Hwan Kim, Jianxin Gu, Yu-ying Yang, Rajesh Kumar Kainthan, David Cooper, Michael William Pride, Kathrin Ute Jansen
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Patent number: 11110160Abstract: The invention provides eTEC linked glycoconjugates comprising a saccharide covalently conjugated to a carrier protein through a (2-((2-oxoethyl)thio)ethyl)carbamate (eTEC) spacer, immunogenic compositions comprising such glycoconjugates, and methods for the preparation and use of such glycoconjugates and immunogenic compositions.Type: GrantFiled: January 28, 2020Date of Patent: September 7, 2021Assignee: Pfizer Inc.Inventors: Jianxin Gu, Jin-hwan Kim, Avvari Krishna Prasad, Yu-ying Yang
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Patent number: 11090375Abstract: The present invention relates to new immunogenic compositions comprising conjughated Streptococcus pneumoniae capsular saccharide antigens (glycoconjugates) and uses thereof. Immunogenic compositions of the present invention will typically comprise at least one glycoconjugate from a S. pneumoniae serotype not found in PREVNAR®, SYNFLORIX® and/or PREVNAR 13®. The invention also relates to vaccination of human subjects, in particular infants and elderly, against pneumococcal infections using said novel immunogenic compositions.Type: GrantFiled: June 12, 2020Date of Patent: August 17, 2021Assignee: Pfizer Inc.Inventors: Emilio Anthony Emini, Wendy Jo Watson, Avvari Krishna Prasad, Mingming Han, Jin-Hwan Kim, Jianxin Gu, Yu-ying Yang, Rajesh Kumar Kainthan, David Cooper, Michael William Pride, Kathrin Ute Jansen
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Publication number: 20210196810Abstract: The present invention relates to new immunogenic compositions comprising conjugated Streptococcus pneumoniae capsular saccharide antigens (glycoconjugates) and uses thereof. Immunogenic compositions of the present invention will typically comprise at least one glycoconjugate from a S. pneumoniae serotype not found in PREVNAR®, SYNFLORIX® and/or PREVNAR 13®. The invention also relates to vaccination of human subjects, in particular infants and elderly, against pneumococcal infections using said novel immunogenic compositions.Type: ApplicationFiled: March 6, 2021Publication date: July 1, 2021Applicant: Pfizer Inc.Inventors: Emilio Anthony Emini, Wendy Jo Watson, Avvari Krishna Prasad, Mingming Han, Jin-Hwan Kim, Jianxin Gu, Yu-ying Yang, Rajesh Kumar Kainthan, David Cooper, Michael William Pride, Kathrin Ute Jansen
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Patent number: 10918708Abstract: The invention relates to activated Streptococcus pneumoniae serotype 10A, 22F or 33F polysaccharides and processes for their preparation. The invention also relates to immunogenic conjugates comprising Streptococcus pneumoniae serotype 10A, 22F or 33F polysaccharides covalently linked to a carrier protein, processes for their preparation and immunogenic compositions and vaccines comprising them.Type: GrantFiled: September 17, 2018Date of Patent: February 16, 2021Assignee: Pfizer Inc.Inventors: Jianxin Gu, Rajesh Kumar Kainthan, Jin-Hwan Kim, Avvari Krishna Prasad, Yu-Ying Yang
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Publication number: 20210023193Abstract: The invention relates to activated Streptococcus pneumoniae serotype 10A, 22F or 33F polysaccharides and processes for their preparation. The invention also relates to immunogenic conjugates comprising Streptococcus pneumoniae serotype 10A, 22F or 33F polysaccharides covalently linked to a carrier protein, processes for their preparation and immunogenic compositions and vaccines comprising them.Type: ApplicationFiled: October 1, 2020Publication date: January 28, 2021Applicant: Pfizer Inc.Inventors: Jianxin Gu, Rajesh Kumar Kainthan, Jin-Hwan Kim, Avvari Krishna Prasad, Yu-Ying Yang
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Publication number: 20200306357Abstract: The present invention relates to new immunogenic compositions comprising conjughated Streptococcus pneumoniae capsular saccharide antigens (glycoconjugates) and uses thereof. Immunogenic compositions of the present invention will typically comprise at least one glycoconjugate from a S. pneumoniae serotype not found in PREVNAR®, SYNFLORIX® and/or PREVNAR 13®. The invention also relates to vaccination of human subjects, in particular infants and elderly, against pneumococcal infections using said novel immunogenic compositions.Type: ApplicationFiled: June 12, 2020Publication date: October 1, 2020Inventors: Emilio Anthony Emini, Wendy Jo Watson, Avvari Krishna Prasad, Mingming Han, Jin-Hwan Kim, Jianxin Gu, Yu-ying Yang, Rajesh Kumar Kainthan, David Cooper, Michael William Pride, Kathrin Ute Jansen
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Publication number: 20200246475Abstract: The present invention relates generally to glycoconjugates comprising a saccharide covalently conjugated to a carrier protein through a spacer containing ((2-oxoethyl)thio)). In an aspect the invention provides oxo-eT linked glycoconjugates comprising a saccharide covalently conjugated to a carrier protein through a ((2-oxoethyl)thio) spacer having the formula (I): wherein: A is a group (C?X)m wherein X is S or O and m is 0 or 1; B is a bond, O, or CH2; and when m is 0, B can also be (C?O); R is a C2-C16 alkylene, C2-C16 heteroakylene, NH—C(?O)—C2-C16 alkylene, or NH—C(?O)—C2-C16 heteroakylene, wherein said alkylene and heteroalkylene are optionally substituted by 1, 2 or 3 groups independently selected from COOR? where R? is selected from H, methyl, ethyl or propyl. The invention further relates to immunogenic compositions comprising such glycoconjugates, and to methods for the preparation and use of such glycoconjugates and immunogenic compositions.Type: ApplicationFiled: April 20, 2020Publication date: August 6, 2020Inventors: Jianxin Gu, Rajesh Kumar Kainthan, Jin-Hwan Kim, Avvari Krishna Prasad, Yu-Ying Yang
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Publication number: 20200246448Abstract: The invention provides eTEC linked glycoconjugates comprising a saccharide covalently conjugated to a carrier protein through a (2-((2-oxoethyl)thio)ethyl)carbamate (eTEC) spacer, immunogenic compositions comprising such glycoconjugates, and methods for the preparation and use of such glycoconjugates and immunogenic compositions.Type: ApplicationFiled: January 28, 2020Publication date: August 6, 2020Inventors: Jianxin Gu, Jin-hwan Kim, Avvari Krishna Prasad, Yu-ying Yang
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Publication number: 20200184356Abstract: An auxiliary analysis system using expert information comprises a user interface and a determination module. The user interface includes a plurality of analysis items which can be triggered by a user. The determination module coupled with the user interface includes a plurality of preliminary results corresponding to the analysis items. Each of the analysis items corresponds to at least one of the preliminary results. The user selects a plurality of analysis items to generate multiple preliminary results, and the preliminary results further generate a final judgment result by an operation process.Type: ApplicationFiled: February 12, 2020Publication date: June 11, 2020Inventor: Yu Ying Yang
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Patent number: 10668164Abstract: The present invention relates generally to glycoconjugates comprising a saccharide covalently conjugated to a carrier protein through a spacer containing ((2-oxoethyl)thio)). In an aspect the invention provides oxo-eT linked glycoconjugates comprising a saccharide covalently conjugated to a carrier protein through a ((2-oxoethyl)thio) spacer having the formula (I): (I) wherein: A is a group (C?X)m wherein X is S or O and m is 0 or 1; B is a bond, O, or CH2; and when m is 0, B can also be (C?O); R is a C2-C16 alkylene, C2-C16 heteroalkylene, NH—C(?O)—C2-C16 alkylene, or NH—C(?O)—C2-C16 heteroalkylene, wherein said alkylene and heteroalkylene are optionally substituted by 1, 2 or 3 groups independently selected from COOR? where R? is selected from H, methyl, ethyl or propyl. The invention further relates to immunogenic compositions comprising such glycoconjugates, and to methods for the preparation and use of such glycoconjugates and immunogenic compositions.Type: GrantFiled: February 6, 2015Date of Patent: June 2, 2020Assignee: Pfizer Inc.Inventors: Jianxin Gu, Rajesh Kumar Kainthan, Jin-Hwan Kim, Avvari Krishna Prasad, Yu-Ying Yang