Patents by Inventor Haike Yan
Haike Yan 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: 9738741Abstract: Amphiphilic macromolecules having repeating structural units: structural units to adjust molecular weight and molecular weight distribution and charging property effects, high stereo-hindrance structural units, and amphiphilic structural units, which are suitable for fields such as oil field well drilling, well cementation, fracturing, oil gathering and transfer, sewage treatment, sludge treatment and papermaking, etc., and can be used as an oil-displacing agent for enhanced oil production, a heavy oil viscosity reducer, a fracturing fluid, a clay stabilizing agent, a sewage treatment agent, a papermaking retention and drainage aid or a reinforcing agent, etc.Type: GrantFiled: September 16, 2011Date of Patent: August 22, 2017Assignee: BEIJING JUNLUN RUNZHONG SCIENCE & TECHNOLOGY CO., LIMITEDInventors: Jinben Wang, Xiaohui Xu, Xuefeng Shi, Yuchun Han, Yilin Wang, Haike Yan
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Patent number: 9260555Abstract: Amphiphilic macromolecules having structural units to adjust molecular weight and molecular weight distribution and charging property effects, high stereo-hindrance structural units, and having amphiphilic structural units. The Amphiphilic macromolecules are suitable for fields such as oil field well drilling, well cementation fracturing, oil gathering and transfer, sewage treatment, sludge treatment and papermaking, etc., and can be used as an oil-displacing agent for enhanced oil production, a heavy oil viscosity reducer, a fracturing fluid, a clay stabilizing agent, a sewage treatment agent, a papermaking retention and drainage aid or a reinforcing agent, etc.Type: GrantFiled: September 16, 2011Date of Patent: February 16, 2016Assignee: BEIJING JUNLUN RUNZHONG SCIENCE & TECHNOLOGY CO., LIMITEDInventors: Jinben Wang, Xuefeng Shi, Xiaohui Xu, Yuchun Han, Yilin Wang, Haike Yan
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Patent number: 9243095Abstract: Amphiphilic macromolecules having repeating structural units: structural units to adjust molecular weight and molecular weight distribution and charging property effects, high stereo-hindrance structural units, and amphiphilic structural units, and are suitable for fields such as oil field well drilling, well cementation, fracturing, oil gathering and transfer, sewage treatment, sludge treatment and papermaking, etc., and can be used as an oil-displacing agent for enhanced oil production, a heavy oil viscosity reducer, a fracturing fluid, a clay stabilizing agent, a sewage treatment agent, a papermaking retention and drainage aid or a reinforcing agent, etc.Type: GrantFiled: September 16, 2011Date of Patent: January 26, 2016Assignee: BEIJING JUNLUN RUNZHONG SCIENCE & TECHNOLOGY CO., LIMITEDInventors: Jinben Wang, Xuefeng Shi, Xiaohui Xu, Hui Yang, Yilin Wang, Haike Yan
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Patent number: 9243097Abstract: Amphiphilic macromolecules having structural units to adjust molecular weight and molecular weight distribution and charging property effects, high stereo-hindrance structural units, and amphiphilic structural units, are suitable for fields such as oil field well drilling, well cementation fracturing, oil gathering and transfer, sewage treatment, sludge treatment and papermaking, etc., and can be used as an oil-displacing agent for enhanced oil production, a heavy oil viscosity reducer, a fracturing fluid, a clay stabilizing agent, a sewage treatment agent, a papermaking retention and drainage aid or a reinforcing agent, etc.Type: GrantFiled: September 16, 2011Date of Patent: January 26, 2016Assignee: BEIJING JUNLUN RUNZHONG SCIENCE & TECHNOLOGY CO., LIMITEDInventors: Jinben Wang, Xuefeng Shi, Xiaohui Xu, Hui Yang, Yilin Wang, Haike Yan
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Publication number: 20150183911Abstract: Amphiphilic macromolecules having structural units to adjust molecular weight and molecular weight distribution and charging property effects, high stereo-hindrance structural units, and having amphiphilic structural units. The Amphiphilic macromolecules are suitable for fields such as oil field well drilling, well cementation fracturing, oil gathering and transfer, sewage treatment, sludge treatment and papermaking, etc., and can be used as an oil-displacing agent for enhanced oil production, a heavy oil viscosity reducer, a fracturing fluid, a clay stabilizing agent, a sewage treatment agent, a papermaking retention and drainage aid or a reinforcing agent, etc.Type: ApplicationFiled: September 16, 2011Publication date: July 2, 2015Applicant: BEIJING JUNLUN RUNZHONG SCIENCE & TECHNOLOGY CO., LIMITEDInventors: Jinben WANG, Xuefeng Shi, Xiaohui Xu, Yuchun Han, Yilin Wang, Haike Yan
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Publication number: 20150065672Abstract: Amphiphilic macromolecules having repeating structural units: structural units to adjust molecular weight and molecular weight distribution and charging property effects, high stereo-hindrance structural units, and amphiphilic structural units, and are suitable for fields such as oil field well drilling, well cementation, fracturing, oil gathering and transfer, sewage treatment, sludge treatment and papermaking, etc., and can be used as an oil-displacing agent for enhanced oil production, a heavy oil viscosity reducer, a fracturing fluid, a clay stabilizing agent, a sewage treatment agent, a papermaking retention and drainage aid or a reinforcing agent, etc.Type: ApplicationFiled: September 16, 2011Publication date: March 5, 2015Applicant: BEIJING JUNLUN RUNZHONG SCIENCE & TECHNOLOGY CO., LIMITEDInventors: Jinben Wang, Xuefeng Shi, Xiaohui Xu, Hui Yang, Yilin Wang, Haike Yan
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Publication number: 20140350204Abstract: Amphiphilic macromolecules having structural units to adjust molecular weight and molecular weight distribution and charging property effects, high stereo-hindrance structural units, and amphiphilic structural units, are suitable for fields such as oil field well drilling, well cementation fracturing, oil gathering and transfer, sewage treatment, sludge treatment and papermaking, etc., and can be used as an oil-displacing agent for enhanced oil production, a heavy oil viscosity reducer, a fracturing fluid, a clay stabilizing agent, a sewage treatment agent, a papermaking retention and drainage aid or a reinforcing agent, etc.Type: ApplicationFiled: September 16, 2011Publication date: November 27, 2014Applicant: BEIJING JUNLUN RUNZHONG SCIENCE & TECHNOLOGY CO., LTD.Inventors: Jinben Wang, Xuefeng Shi, Xiaohui Xu, Hui Yang, Yilin Wang, Haike Yan
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Publication number: 20140316092Abstract: The present invention provides an amphiphilic macromolecule and the use thereof. The amphiphilic macromolecules have repeating structural units: structural units to adjust molecular weight and molecular weight distribution and charging property effects, high stereo-hindrance structural units, and amphiphilic structural units, which are suitable for fields such as oil field well drilling, well cementation, fracturing, oil gathering and transfer, sewage treatment, sludge treatment and papermaking, etc., and can be used as an oil-displacing agent for enhanced oil production, a heavy oil viscosity reducer, a fracturing fluid, a clay stabilizing agent, a sewage treatment agent, a papermaking retention and drainage aid or a reinforcing agent, etc.Type: ApplicationFiled: September 16, 2011Publication date: October 23, 2014Applicant: BEIJING JUNLUN RUNZHONG SCIENCE & TECHNOLOGY CO., LIMITEDInventors: Jinben Wang, Xiaohui Xu, Xuefeng Shi, Yuchun Han, Yilin Wang, Haike Yan