Patents by Inventor Jiping Yang
Jiping 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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Patent number: 11308985Abstract: Fluoropolyether compounds that can be used as a lubricant, such as for magnetic recording media. The compounds have a terminal group that includes a phenol or benzene. The fluoropolyether compounds reduce the head to media distance while keeping comparable reliability in a hard disk drive compared to current industrial widely used fluoropolyether based lubricants.Type: GrantFiled: January 29, 2019Date of Patent: April 19, 2022Assignee: SEAGATE TECHNOLOGY LLCInventors: Yu Lu, JiPing Yang, Jingyuan Zhuo, Qian Guo, Wen Liu
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Patent number: 10947476Abstract: Provided herein is a lubricant comprising a compound of Formula I: wherein R1 and R2 are independent and have the structure selected from —(CF2O)x(CF2CF2O)y(CF2CF2CF2O)z(CF2CF2CF2CF2O)w—, x, y, z and w are selected from an integer from 0 to 30; p, and q are selected from an integer from 0 to 3; A and B are independent and have the structure selected from: —(CH2CH(OH)CH2O)jH, and j is an integer selected from 0 to 3.Type: GrantFiled: July 2, 2018Date of Patent: March 16, 2021Assignee: SEAGATE TECHNOLOGY LLCInventors: Yu Lu, JiPing Yang, Jingyuan Zhuo, Qian Guo, Wen H. Liu
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Patent number: 10540997Abstract: Provided herein is a lubricant including a compound of Formula I L-(CF2CF2O)n—CF2CH2O—N—OCH2CF2O—(CF2CF2O)m-M??(Formula I) wherein L is selected from the group consisting of M is selected from the group consisting of wherein each instance of R1, R2, and R3 is independently selected from the group consisting of hydroxyl, alkoxyl, carbocycyl, phenyl, heterocycyl, piperonyl, carboxyl, alkylamido, acetamido, carbamoyl, N-alkylcarbamoyl, N,N-dialkylcarbamoyl, 2,3-dihydroxy-1-propoxyl, acryloyl, alkacryloyl, methacryloyl, a sustituent of methyl methacrylate, and a substituent of glycidyl ether; and wherein n?1, m?1, and n and m are the same or different.Type: GrantFiled: August 31, 2017Date of Patent: January 21, 2020Assignee: SEAGATE TECHNOLOGY LLCInventor: Jiping Yang
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Publication number: 20200002640Abstract: Provided herein is a lubricant comprising a compound of Formula I: wherein R1 and R2 are independent and have the structure selected from —(CF2O)x(CF2CF2O)y(CF2CF2CF2O)z(CF2CF2CF2CF2O)w—, x, y, z and w are selected from an integer from 0 to 30; p, and q are selected from an integer from 0 to 3; A and B are independent and have the structure selected from: —(CH2CH(OH)CH2O)jH, and j is an integer selected from 0 to 3.Type: ApplicationFiled: July 2, 2018Publication date: January 2, 2020Inventors: Yu LU, JiPing YANG, Jingyuan ZHUO, Qian GUO, Wen H. LIU
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Publication number: 20190237101Abstract: Fluoropolyether compounds that can be used as a lubricant, such as for magnetic recording media. The compounds have a terminal group that includes a phenol or benzene. The fluoropolyether compounds reduce the head to media distance while keeping comparable reliability in a hard disk drive compared to current industrial widely used fluoropolyether based lubricants.Type: ApplicationFiled: January 29, 2019Publication date: August 1, 2019Inventors: Yu Lu, JiPing Yang, Jingyuan Zhuo, Qian Guo, Wen Liu
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Patent number: 10117830Abstract: A stable pharmaceutical composition that includes an active agent selected from 1-deoxynojirimycin, a pharmaceutically acceptable salt thereof, or a derivative thereof, and a buffer, wherein the stable pharmaceutical composition is capable of being parenterally administered to a human without deleterious health effects. Pompe disease is an example of a lysosomal storage disorder. Pompe disease is caused by a deficiency in the enzyme acid alpha-glucosidase (GAA). GAA metabolizes glycogen, a storage form of sugar used for energy, into glucose.Type: GrantFiled: November 27, 2017Date of Patent: November 6, 2018Assignee: Amicus Therapeutics, Inc.Inventors: Hing Char, Sergey Tesler, Jiping Yang, Enrique Dilone
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Publication number: 20180078497Abstract: A stable pharmaceutical composition that includes an active agent selected from 1-deoxynojirimycin, a pharmaceutically acceptable salt thereof, or a derivative thereof, and a buffer, wherein the stable pharmaceutical composition is capable of being parenterally administered to a human without deleterious health effects. Pompe disease is an example of a lysosomal storage disorder. Pompe disease is caused by a deficiency in the enzyme acid alpha-glucosidase (GAA). GAA metabolizes glycogen, a storage form of sugar used for energy, into glucose.Type: ApplicationFiled: November 27, 2017Publication date: March 22, 2018Inventors: Hing Char, Sergey Tesler, Jiping Yang, Enrique Dilone
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Publication number: 20170365287Abstract: Provided herein is a lubricant including a compound of Formula I L-(CF2CF2O)n—CF2CH2O—N—OCH2CF2O—(CF2CF2O)m-M ??(Formula I) wherein L is selected from the group consisting of M is selected from the group consisting of wherein each instance of R1, R2, and R3 is independently selected from the group consisting of hydroxyl, alkoxyl, carbocycyl, phenyl, heterocycyl, piperonyl, carboxyl, alkylamido, acetamido, carbamoyl, N-alkylcarbamoyl, N,N-dialkylcarbamoyl, 2,3-dihydroxy-l-propoxyl, acryloyl, alkacryloyl, methacryloyl, a sustituent of methyl methacrylate, and a substituent of glycidyl ether; and wherein n?1, m?1, and n and m are the same or different.Type: ApplicationFiled: August 31, 2017Publication date: December 21, 2017Inventor: Jiping YANG
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Patent number: 9827189Abstract: A stable pharmaceutical composition that includes an active agent selected from 1-deoxynojirimycin, a pharmaceutically acceptable salt thereof, or a derivative thereof, and a buffer, wherein the stable pharmaceutical composition is capable of being parenterally administered to a human without deleterious health effects. Pompe disease is an example of a lysosomal storage disorder. Pompe disease is caused by a deficiency in the enzyme acid alpha-glucosidase (GAA). GAA metabolizes glycogen, a storage form of sugar used for energy, into glucose.Type: GrantFiled: January 9, 2014Date of Patent: November 28, 2017Assignee: Amicus Therapeautics, Inc.Inventors: Hing Char, Sergey Tesler, Jiping Yang, Enrique Dilone
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Patent number: 9805755Abstract: Provided herein is a lubricant including a compound of Formula I L-(CF2CF2O)n—CF2CH2O—N—OCH2CF2O—(CF2CF2O)m-M??(Formula I) wherein L is selected from the group consisting of M is selected from the group consisting of wherein each instance of R1, R2, and R3 is independently selected from the group consisting of hydroxyl, alkoxyl, carbocycyl, phenyl, heterocycyl, piperonyl, carboxyl, alkylamido, acetamido, carbamoyl, N-alkylcarbamoyl, N,N-dialkylcarbamoyl, 2,3-dihydroxy-1-propoxyl, acryloyl, alkacryloyl, methacryloyl, a substituent of methyl methacrylate, and a substituent of glycidyl ether; and wherein n?1, m?1, and n and m are the same or different.Type: GrantFiled: June 30, 2015Date of Patent: October 31, 2017Assignee: Seagate Technology LLCInventor: Jiping Yang
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Publication number: 20150352042Abstract: A stable pharmaceutical composition that includes an active agent selected from 1-deoxynojirimycin, a pharmaceutically acceptable salt thereof, or a derivative thereof, and a buffer, wherein the stable pharmaceutical composition is capable of being parenterally administered to a human without deleterious health effects. Pompe disease is an example of a lysosomal storage disorder. Pompe disease is caused by a deficiency in the enzyme acid alpha-glucosidase (GAA). GAA metabolizes glycogen, a storage form of sugar used for energy, into glucose.Type: ApplicationFiled: January 9, 2014Publication date: December 10, 2015Inventors: Hing Char, Sergey Tesler, Jiping Yang, Enrique Dilone
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Patent number: 9040125Abstract: A magnetic data storage medium may include a substrate, a magnetic recording layer, a protective carbon overcoat, and a monolayer covalently bound to carbon atoms adjacent a surface of the protective carbon overcoat. According to this aspect of the disclosure, the monolayer comprises at least one of hydrogen, fluorine, nitrogen, oxygen, and a fluoro-organic molecule. In some embodiments, a surface of a read and recording head may also include a monolayer covalently bound to carbon atoms of a protective carbon overcoat.Type: GrantFiled: July 24, 2013Date of Patent: May 26, 2015Assignee: Seagate Technology LLCInventors: Paul M. Jones, Xiaoping Yan, Lei Li, James Dillon Kiely, Christopher Loren Platt, Michael J. Stirniman, Jiping Yang, Yiao-Tee Hsia
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Patent number: 8841008Abstract: Compositions for use in lubricating thin film storage media are provided, as well as storage media formed using the compositions, the compositions including one or more central cores having a cyclic group, and a plurality of arms extending from the central cores, wherein each arm comprises phenol or piperonyl. Methods of preparing the compositions are also provided. Methods of preparing storage media that incorporate the compositions therein are further provided.Type: GrantFiled: February 28, 2011Date of Patent: September 23, 2014Assignee: Seagate Technology LLCInventors: Lei Li, Michael Joseph Stirniman, Jiping Yang
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Publication number: 20140141284Abstract: A compound of Formula (I) includes: [L]1-[N]n—OCH2CF2O(CF2CF2O)p(CF2O)qCF2CH2O—[M]m, where L is selected from the group consisting of (AA) M is selected from the group consisting of (BB) and N is (CC) where R1, R2, and R3 may be the same or different, and are selected from the group consisting of hydroxyl, phenyl, piperonyl, carboxylic acid, amide, 2,3-di-hydroxy-1-propoxyl, acetamide, methacrylate, methyl methacrylate and glycidyl ether; and where 1=0, 1, or 2, m=0, 1, or 2, n=1 or 2, and the ratio of p to q is from about 0.1 to 3.0.Type: ApplicationFiled: June 7, 2011Publication date: May 22, 2014Applicant: SEAGATE TECHNOLOGY LLCInventors: Jiping Yang, Michael Joseph Stirniman
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Patent number: 8685548Abstract: Compositions including one or more a central cores having a cyclic group, and a plurality of arms extending from the central cores, wherein the arms comprise perfluoropolyethers (PFPEs) or its derivatives. Methods of preparing the compositions are also provided. Methods of preparing storage media that incorporate the compositions therein are further provided.Type: GrantFiled: March 31, 2011Date of Patent: April 1, 2014Assignee: Seagate Technology LLCInventors: Xiaoping Yan, Michael Joseph Stirniman, Jiping Yang, Wenhong Liu, Qian Guo
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Publication number: 20130337194Abstract: A magnetic data storage medium may include a substrate, a magnetic recording layer, a protective carbon overcoat, and a monolayer covalently bound to carbon atoms adjacent a surface of the protective carbon overcoat. According to this aspect of the disclosure, the monolayer comprises at least one of hydrogen, fluorine, nitrogen, oxygen, and a fluoro-organic molecule. In some embodiments, a surface of a read and recording head may also include a monolayer covalently bound to carbon atoms of a protective carbon overcoat.Type: ApplicationFiled: July 24, 2013Publication date: December 19, 2013Applicant: SEAGATE TECHNOLOGY LLCInventors: Paul M. Jones, Xiaoping Yan, Lei Li, James Dillon Kiely, Christopher Loren Platt, Michael J. Stirniman, Jiping Yang, Yiao-Tee Hsia
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Patent number: 8586703Abstract: A compound comprising a backbone with a perfluoropolyether chain. The compound also has one or more cyclophosphazene rings attached to or incorporated into the backbone. The compound further includes at least two functional groups attached to the backbone, attached to the one or more cyclophosphazene rings, or a combination thereof.Type: GrantFiled: June 23, 2008Date of Patent: November 19, 2013Assignee: Seagate Technology LLCInventors: Jiping Yang, Michael Joseph Stirniman, Xiaoding Ma, Jing Gui
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Patent number: 8518563Abstract: A magnetic data storage medium may include a substrate, a magnetic recording layer, a protective carbon overcoat, and a monolayer covalently bound to carbon atoms adjacent a surface of the protective carbon overcoat. According to this aspect of the disclosure, the monolayer comprises at least one of hydrogen, fluorine, nitrogen, oxygen, and a fluoro-organic molecule. In some embodiments, a surface of a read and recording head may also include a monolayer covalently bound to carbon atoms of a protective carbon overcoat.Type: GrantFiled: February 23, 2010Date of Patent: August 27, 2013Assignee: Seagate Technology LLCInventors: Paul M. Jones, Xiaoping Yan, Lei Li, James Dillon Kiely, Christopher Loren Platt, Michael J. Stirniman, Jiping Yang, Yiao-Tee Hsia
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Publication number: 20120251843Abstract: Compositions including one or more a central cores having a cyclic group, and a plurality of arms extending from the central cores, wherein the arms comprise perfluoropolyethers (PFPEs) or its derivatives. Methods of preparing the compositions are also provided. Methods of preparing storage media that incorporate the compositions therein are further provided.Type: ApplicationFiled: March 31, 2011Publication date: October 4, 2012Applicant: SEAGATE TECHNOLOGY LLC.Inventors: XIAOPING YAN, Michael Joseph Stirniman, Jiping Yang, Wenhong Liu, Qian Guo
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Publication number: 20120219826Abstract: Compositions for use in lubricating thin film storage media are provided, as well as storage media formed using the compositions, the compositions including one or more central cores having a cyclic group, and a plurality of arms extending from the central cores, wherein each arm comprises phenol or piperonyl. Methods of preparing the compositions are also provided. Methods of preparing storage media that incorporate the compositions therein are further provided.Type: ApplicationFiled: February 28, 2011Publication date: August 30, 2012Applicant: SEAGATE TECHNOLOGY LLCInventors: Lei Li, Michael Joseph Stirniman, Jiping Yang