Patents by Inventor Junli Li
Junli Li 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: 20130324646Abstract: A flame retardant polymer composition is described. The composition includes at least one polymer and a hypophosphite salt, wherein the hypophosphite salt is heat stabilized so that when it is heated for 3 hours at 298° C. under a flow of argon flushing at rate 58 mL/min, it generates less than 0.5 mL of phosphine per gram of hypophosphite salt. The flame retardant polymer composition can also include at least one additive that improves the flame retardant properties of the composition.Type: ApplicationFiled: February 17, 2012Publication date: December 5, 2013Applicants: RHODIA (CHINA) CO, LTD, RHODIA OPERATIONSInventors: Floryan De Campo, Annelyse Murillo, Junli Li, Tingting Zhang
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Publication number: 20130324647Abstract: A flame retardant polymer composition is described. The composition can include at least one polymer and a hypophosphite salt, wherein the hypophosphite salt is heat stabilized so that when it is heated for 3 hours at 298° C. under a flow of argon flushing at rate 58 mL/min, it generates less than 0.5 mL of phosphine per gram of hypophosphite salt. The polymer can be an epoxy resin, a phenolic resin, an acrylonitrile-butadiene-styrene resin, a styrene-acrylonitrile resin, a mixture of high impact polystyrene and polyphenylene oxides, a styrene-butadiene rubber, a polylactic acid or a polyvinyl chloride.Type: ApplicationFiled: February 17, 2012Publication date: December 5, 2013Applicant: RHODIA (CHINA) CO,. LTDInventors: Floryan De Campo, Annelyse Murillo, Junli Li, Tingting Zhang
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Publication number: 20130317158Abstract: The use of a heat stabilized calcium hypophosphite as a filler to increase the mechanical properties of a polyamide composition is described. The composition can also involve reinforcing and/or bulking filler and/or impact modifier agents. Using such a filler one can obtain a polyamide composition having very good mechanical performance with the calcium hypophosphite having a low degree of phoshpine generation.Type: ApplicationFiled: February 24, 2011Publication date: November 28, 2013Applicant: RHODIA (CHINA)CO., LTD.Inventors: Floryan De Campo, Annelyse Murillo, Junli Li, Tingting Zhang
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Patent number: 8389965Abstract: For quarantine treatment of a farming and forestry product for pest control, a method and a device may irradiate logs as a phytosanitary treatment with electron beams. The method may include: spreading the logs; aligning the spread logs to be flush at one end; conveying the spread and flush logs laterally; conveying the logs longitudinally through an irradiation field formed by accelerators to provide treatment of irradiation with the electron beams; throwing the irradiated logs out; and laterally conveying the logs away. The device may include a conveying device for conveying the logs, a shielding structure surrounding the conveying device, and accelerators provided in the conveying path of the conveying device. Two or more accelerators may be provided in centrosymmetry about the conveying path.Type: GrantFiled: April 11, 2008Date of Patent: March 5, 2013Assignees: Tsinghua University, Nuctech Company LimitedInventors: Kejun Kang, Haifeng Hu, Chuanxiang Tang, Yuanjing Li, Qitian Miao, Huayi Zhang, Junli Li, Zhiqiang Chen, Ming Hu, Ming Huang, Yaohong Liu, Wanlong Wu, Hui Zhang, Shenjin Ming
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Publication number: 20120208942Abstract: A process for stabilizing hypophosphite salt is provided, which comprises the following steps: a) washing the hypophosphite salt at least one time under a controlled pH value of 4-11, preferably 5-8, as the said hypophosphite salt in an aqueous solution and/or in a solid state; and b) drying the said hypophosphite salt under reduced pressure to remove the volatiles. The process can prevent or minimize the formation of a dangerous quantity of phosphine from hypophosphite salts, more particularly in the flame retardant of the application. The flame retardant polymer composition is also provided, which comprises a polymer and the hypophosphite salt stabilized by the above process.Type: ApplicationFiled: October 23, 2009Publication date: August 16, 2012Applicant: Rhodia (China) Co., Ltd.Inventors: Floryan De Campo, Annelyse Murillo, Junli Li, Tingting Zhang
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Publication number: 20120149821Abstract: The current invention relates to a process for stabilizing a hypophosphite salt, comprising the step of heating the hypophosphite salt at a temperature of between 150 and 370° C. during a sufficient period of time to prevent the formation of a dangerous quantity of phosphine in their application as FR in polymers and a flame retardant polymer composition comprising a polymer and 0.1 to 30 weight percent based on the total weight of the composition of the hypophosphite salt thermally stabilized by the above process.Type: ApplicationFiled: August 24, 2009Publication date: June 14, 2012Applicant: RHODIA (CHINA) CO., LTDInventors: Floryan De Campo, Annelyse Murillo, Junli Li, Tingting Zhang
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Patent number: 7989770Abstract: A radiation inspection system is disclosed. The radiation inspection system comprises: an inspection passage through which a moving object under inspection can pass, a radiation source disposed on a side of the inspection passage for emitting radiation, an array of detectors disposed on the other side of the inspection passage opposite to the radiation source for receiving the radiation emitted from the radiation source, a detector for detecting the moving object, and a controller for receiving a signal from the detector and controlling the radiation source to emit radiation when the detector detects the moving object for radiation imaging and inspection of the moving object. According to the radiation inspection system, the controller can control the radiation source to automatically emit radiation beam based on the detection signal from the detector for inspecting the moving object. As a result, inspection efficiency is improved, safety is increased, and misoperation of the radiation source is eliminated.Type: GrantFiled: December 22, 2006Date of Patent: August 2, 2011Assignees: Nuctech Company Limited, Tsinghua UniversityInventors: Zhiqiang Chen, Yuanjing Li, Yinong Liu, Junli Li, Hua Peng, Yaohong Liu, Shangmin Sun, Jinyu Zhang, Qingjun Zhang, Li Zhang, Yali Xie, Yanli Deng, Ming Ruan, Siyuan Liang, Guang Yang, Wei Jia
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Patent number: 7911592Abstract: Disclosed is a method for identifying a moving object, comprising: a driving-in step of moving a moving object into a passage, a velocity measuring step of measuring a moving velocity of the moving object, a light beam emitting step of emitting light beams from one side of the passage, a light beam receiving step of receiving the light beams not shielded by the moving object at other side of the passage, a profile determining step of determining a profile of at least one portion of the moving object based on the received light beams and the measured moving velocity of the moving object, and an identifying step of determining type of the moving object by comprising the profile of the at least one portion of the moving object with information of moving objects stored previously.Type: GrantFiled: December 25, 2006Date of Patent: March 22, 2011Assignees: Nuctech Company Limited, Tsinghua UniversityInventors: Zhiqiang Chen, Yuanjing Li, Yinong Liu, Junli Li, Hua Peng, Yaohong Liu, Shangmin Sun, Jinyu Zhang, Qingjun Zhang, Li Zhang, Yali Xie, Yanli Deng, Ming Ruan, Siyuan Liang, Guang Yang, Wei Jia
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Patent number: 7760854Abstract: A method for conducting irradiation of all logs of a whole vehicle with X-rays as a phytosanitary treatment may include: connecting a traction device and a goods carrying vehicle outside a shielding door; opening the door; the traction device pulling the vehicle into a tunnel; closing the shielding door; upon the vehicle reaching an irradiation region, accelerators generating X-rays; the traction device pulling the vehicle to pass through the irradiation region; stopping the X-rays; opening the door; the traction device pulling the vehicle away from the irradiation treatment tunnel; and disconnecting the traction device from the vehicle. A device may include a shielding structure, a tunnel formed therethrough; a rail along the tunnel; accelerators within the tunnel; and a traction device for pulling a vehicle carrying goods for quarantine treatment, the accelerators symmetrically arranged at both sides of and on the top of an irradiation region in the tunnel.Type: GrantFiled: April 11, 2008Date of Patent: July 20, 2010Assignees: Tsinghua University, Nuctech Comany LimitedInventors: Kejun Kang, Haifeng Hu, Chuanxiang Tang, Yuanjing Li, Qitian Miao, Huayi Zhang, Junli Li, Zhiqiang Chen, Ming Hu, Ming Huang, Yaohong Liu, Wanlong Wu, Hui Zhang, Shenjin Ming
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Patent number: 7688945Abstract: The present invention discloses a system for imaging inspection of a movable object is provided, comprising: a first detecting unit configured to inspect whether a moving object to be inspected moves into a passage or not; a second detecting unit for inspecting whether a part to be shielded of the moving object passes into the passage or not and generating a passing signal after the first detecting unit inspects that the moving object to be inspected moves into the passage; a scan imaging device for emitting radiating beams for scan inspecting the moving object to be inspected; and a control system for generating a control signal for controlling the emitted radiating beams from the scan imaging device according to the passing signal from the second detecting unit. With the above system thereof, the imaging inspection of the moving object with rapid speed can be undertaken safely and reliably.Type: GrantFiled: December 25, 2006Date of Patent: March 30, 2010Assignees: Nuctech Company Limited, Tsinghua UniversityInventors: Zhiqiang Chen, Yuanjing Li, Yinong Liu, Junli Li, Hua Peng, Yaohong Liu, Shangmin Sun, Jinyu Zhang, Qingjun Zhang, Li Zhang, Yali Xie, Yanli Deng, Ming Ruan, Siyuan Liang, Guang Yang, Wei Jia
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Publication number: 20090316136Abstract: Disclosed is a method for identifying a moving object, comprising: a driving-in step of moving a moving object into a passage, a velocity measuring step of measuring a moving velocity of the moving object, a light beam emitting step of emitting light beams from one side of the passage, a light beam receiving step of receiving the light beams not shielded by the moving object at other side of the passage, a profile determining step of determining a profile of at least one portion of the moving object based on the received light beams and the measured moving velocity of the moving object, and an identifying step of determining type of the moving object by comprising the profile of the at least one portion of the moving object with information of moving objects stored previously.Type: ApplicationFiled: December 25, 2006Publication date: December 24, 2009Inventors: Zhiqiang Chen, Yuanjing Li, Yinong Liu, Junli Li, Hua Peng, Yaohong Liu, Shangmin Sun, Jinyu Zhang, Qingjun Zhang, Li Zhang, Yali Xie, Yanli Deng, Ming Ruan, Siyuan Liang, Guang Yang, Wei Jia
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Publication number: 20090225939Abstract: The present invention discloses a system for imaging inspection of a movable object is provided, comprising: a first detecting unit configured to inspect whether a moving object to be inspected moves into a passage or not; a second detecting unit for inspecting whether a part to be shielded of the moving object passes into the passage or not and generating a passing signal after the first detecting unit inspects that the moving object to be inspected moves into the passage; a scan imaging device for emitting radiating beams for scan inspecting the moving object to be inspected; and a control system for generating a control signal for controlling the emitted radiating beams from the scan imaging device according to the passing signal from the second detecting unit. With the above system thereof, the imaging inspection of the moving object with rapid speed can be undertaken safely and reliably.Type: ApplicationFiled: December 25, 2006Publication date: September 10, 2009Inventors: Zhiqiang Chen, Yuanjing Li, Yinong Liu, Junli Li, Hua Peng, Yaohong Liu, Shangmin Sun, Jinyu Zhang, Qingjun Zhang, Li Zhang, Yali Xie, Yanli Deng, Ming Ruan, Siyuan Liang, Guang Yang, Wei Jia
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Patent number: 7580505Abstract: The present invention discloses a method for inspecting an object using multi-energy radiations and an apparatus thereof. The method comprises the steps of: causing multi-energy radiations to interact with an object under inspection; detecting and recording detection values after an interaction between the multi-energy radiations and the object under inspection; substituting a portion of the detection values into a predetermined calibration function to obtain information comprising primary material attribute; and determining further material attributes of the object by applying a set of functions suitable for a energy band corresponding to the information. The present invention is applicable to the large container cargo inspection without opening containers at customs, ports and airports.Type: GrantFiled: December 29, 2006Date of Patent: August 25, 2009Assignees: Tsinghua University, Nuctech Company LimitedInventors: Kejun Kang, Haifeng Hu, Zhiqiang Chen, Yuanjing Li, Xuewu Wang, Chuanxiang Tang, Liming Wang, Yinong Liu, Yaohong Liu, Li Zhang, Jianmin Li, Huaqiang Zhong, Jianping Cheng, Huaibi Chen, Hua Peng, Yali Xie, Junli Li, Ning Kang, Qinghua Li
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Publication number: 20090065698Abstract: A radiation inspection system is disclosed. The radiation inspection system comprises: an inspection passage through which a moving object under inspection can pass, a radiation source disposed on a side of the inspection passage for emitting radiation, an array of detectors disposed on the other side of the inspection passage opposite to the radiation source for receiving the radiation emitted from the radiation source, a detector for detecting the moving object, and a controller for receiving a signal from the detector and controlling the radiation source to emit radiation when the detector detects the moving object for radiation imaging and inspection of the moving object. According to the radiation inspection system, the controller can control the radiation source to automatically emit radiation beam based on the detection signal from the detector for inspecting the moving object. As a result, inspection efficiency is improved, safety is increased, and misoperation of the radiation source is eliminated.Type: ApplicationFiled: December 22, 2006Publication date: March 12, 2009Inventors: Zhiqiang Chen, Yuanjing Li, Yinong Liu, Junli Li, Hua Peng, Yaohong Liu, Shangmin Sun, Jinyu Zhang, Qingjun Zhang, Li Zhang, Yali Xie, Yanli Deng, Ming Ruan, Siyuan Liang, Guang Yang, Wei Jia
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Patent number: 7497618Abstract: A mobile vehicle inspection system includes a moving device; a driving device for driving the moving device to move during scanning inspection; a radiation source disposed on the moving device for emitting a ray; a rotary table pivotally disposed on the moving device; an upright post installed on the rotary table at a lower end of the upright post; transverse detector beam having an end connected with an upper end of the upright post; the upright detector beam having an upper end connected with the other end of the transverse detector beam, and extending downwards from the other end of the transverse detector beam so that the upright post, the transverse detector beam and the upright detector beam constitute a frame of a substantial inverted “U” shape, a ray emitted from the radiation source so as to inspect a vehicle to be inspected which passes through the inverted-“U”-shaped frame.Type: GrantFiled: October 12, 2007Date of Patent: March 3, 2009Assignees: Tsinghua University, Nuctech Company LimitedInventors: Zhiqiang Chen, Kejun Kang, Haifeng Hu, Yuanjing Li, Hua Peng, Chuanxiang Tang, Shangmin Sun, Yinong Liu, Jianmin Li, Junli Li, Li Zhang, Yaohong Liu, Nan Jiang, Zhongrong Yang, Tao Wang
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Patent number: 7492861Abstract: An apparatus for quick imaging and inspecting a moving target, including a passage for the moving target passing therethrough, a scanning and imaging device irradiating a radiation beam to the moving target passing through the passage to form an image thereof for inspection, a first determination unit for determining whether the moving target has entered the passage and for counting the moving target entering the passage, a second determination unit for determining the moving speed of the moving target in the passage; and a control unit for controlling the second determination unit to determine the moving speed of the moving target based on the detection signal from the first determination unit indicating the moving target having entered the passage, and for controlling the scanning and imaging device to irradiate a radiation beam for the inspection of the moving target with a frequency corresponding to the moving speed of the moving target based on the determination result of the second determination unit.Type: GrantFiled: December 20, 2006Date of Patent: February 17, 2009Assignees: Tsinghua University, Nuctech Company LimitedInventors: Zhiqiang Chen, Yuanjing Li, Yinong Liu, Junli Li, Hua Peng, Yaohong Liu, Shangmin Sun, Jinyu Zhang, Qingjun Zhang, Li Zhang, Yali Xie, Yanli Deng, Ming Ruan, Siyuan Liang, Guang Yang, Wei Jia
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Publication number: 20080253517Abstract: A method for conducting irradiation of all logs of a whole vehicle with X-rays as a phytosanitary treatment may include: connecting a traction device and a goods carrying vehicle outside a shielding door; opening the door; the traction device pulling the vehicle into a tunnel; closing the shielding door; upon the vehicle reaching an irradiation region, accelerators generating X-rays; the traction device pulling the vehicle to pass through the irradiation region; stopping the X-rays; opening the door; the traction device pulling the vehicle away from the irradiation treatment tunnel; and disconnecting the traction device from the vehicle. A device may include a shielding structure, a tunnel formed therethrough; a rail along the tunnel; accelerators within the tunnel; and a traction device for pulling a vehicle carrying goods for quarantine treatment, the accelerators symmetrically arranged at both sides of and on the top of an irradiation region in the tunnel.Type: ApplicationFiled: April 11, 2008Publication date: October 16, 2008Inventors: Kejun Kang, Haifeng Hu, Chuanxiang Tang, Yuanjing Li, Qitian Miao, Huayi Zhang, Junli Li, Zhiqiang Chen, Ming Hu, Ming Huang, Yaohong Liu, Wanlong Wu, Hui Zhang, Shenjin Ming
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Publication number: 20080251156Abstract: For quarantine treatment of a farming and forestry product for pest control, a method and a device may irradiate logs as a phytosanitary treatment with electron beams. The method may include: spreading the logs; aligning the spread logs to be flush at one end; conveying the spread and flush logs laterally; conveying the logs longitudinally through an irradiation field formed by accelerators to provide treatment of irradiation with the electron beams; throwing the irradiated logs out; and laterally conveying the logs away. The device may include a conveying device for conveying the logs, a shielding structure surrounding the conveying device, and accelerators provided in the conveying path of the conveying device. Two or more accelerators may be provided in centrosymmetry about the conveying path.Type: ApplicationFiled: April 11, 2008Publication date: October 16, 2008Inventors: Kejun KANG, Haifeng Hu, Chuanxiang Tang, Yuanjing Li, Qitian Miao, Huayi Zhang, Junli Li, Zhiqiang Chen, Ming Hu, Ming Huang, Yaohong Liu, Wanlong Wu, Hui Zhang, Shenjin Ming
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Publication number: 20080089469Abstract: A mobile vehicle inspection system includes a moving device; a driving device for driving the moving device to move during scanning inspection; a radiation source disposed on the moving device for emitting a ray; a rotary table pivotally disposed on the moving device; an upright post installed on the rotary table at a lower end of the upright post; traverse detector beam having an end connected with an upper end of the upright post; the upright detector beam having an upper end connected with the other end of the traverse detector beam, and extending downwards from the other end of the traverse detector beam so that the upright post, the traverse detector beam and the upright detector beam constitute a frame of a substantial inverted “U” shape, a ray emitted from the radiation source so as to inspect a vehicle to be inspected which passes through the inverted-“U”-shaped frame.Type: ApplicationFiled: October 12, 2007Publication date: April 17, 2008Applicants: Tsinghua University, Nuctech Company LimitedInventors: Zhiqiang Chen, Kejun Kang, Haifeng Hu, Yuanjing Li, Hua Peng, Chuanxiang Tang, Shangmin Sun, Yinong Liu, Jianmin Li, Junli Li, Li Zhang, Yaohong Liu, Nan Jiang, Zhongrong Yang, Tao Wang
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Publication number: 20080089476Abstract: An apparatus for quick imaging and inspecting a moving target, including a passage for the moving target passing therethrough, a scanning and imaging device irradiating a radiation beam to the moving target passing through the passage to form an image thereof for inspection, a first determination unit for determining whether the moving target has entered the passage and for counting the moving target entering the passage, a second determination unit for determining the moving speed of the moving target in the passage; and a control unit for controlling the second determination unit to determine the moving speed of the moving target based on the detection signal from the first determination unit indicating the moving target having entered the passage, and for controlling the scanning and imaging device to irradiate a radiation beam for the inspection of the moving target with a frequency corresponding to the moving speed of the moving target based on the determination result of the second determination unit.Type: ApplicationFiled: December 20, 2006Publication date: April 17, 2008Inventors: Zhiqiang Chen, Yuanjing Li, Yinong Liu, Junli Li, Hua Peng, Yaohong Liu, Shangmin Sun, Jinyu Zhang, Qingjun Zhang, Li Zhang, Yali Xie, Yanli Deng, Ming Ruan, Siyuan Liang, Guang Yang, Wei Jia