CN203479780U - Gas refrigerant sampling and component analysis system - Google Patents
Gas refrigerant sampling and component analysis system Download PDFInfo
- Publication number
- CN203479780U CN203479780U CN201320608104.1U CN201320608104U CN203479780U CN 203479780 U CN203479780 U CN 203479780U CN 201320608104 U CN201320608104 U CN 201320608104U CN 203479780 U CN203479780 U CN 203479780U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- gas
- prime
- valve
- service
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a gas refrigerant sampling and component analysis system. In the system, a sampling probe is arranged at one end of a sampling pipeline and connected with a refrigerant conveying pipeline. The other end of the sampling pipeline is connected with a preceding stage processing device, acquired gas refrigerant samples in the refrigerant conveying pipeline are sent to the preceding stage processing device for heat preservation and pressure reduction, a tracing pipe is connected between the preceding stage processing device and a preprocessing device, the gas refrigerant samples on which heat preservation and pressure reduction are conducted through the preceding stage processing device are sent to the preprocessing device for preprocessing, the preprocessed gas refrigerant samples enter a gas chromatograph for analysis, and then the content of components in the gas refrigerant samples is acquired.
Description
Technical field
The utility model relates to area of natural gas liquefaction, in particular to a kind of gas cryogen sampling and component analysis system.
Background technology
In world energy sources production, rock gas has accounted for 1/3, and likely progressively instantly very popular oil and coal is extruded into back burner in the near future now.Before the year two thousand twenty, the ratio of rock gas in world's energy demand will reach 45%-50%.
Liquefied natural gas (LNG) (Liquefied Natural Gas, LNG) be that natural gas via compresses, is cooled to the liquid becoming after its boiling point (161.5 degrees Celsius) temperature, its principal ingredient is methane, being recognized is the energy the cleanest on the earth, colourless, tasteless, nontoxic and non-corrosiveness, its volume is about with 1/600 of amount gaseous natural gas volume, and the weight of liquefied natural gas (LNG) is only 45% left and right of consubstantiality ponding.The manufacture process of liquefied natural gas (LNG) is the natural gas purification processing of first gas field being produced, and after a succession of ultralow temperature liquefaction, obtains.
Current, middle-size and small-size natural gas liquefaction device, if scale is 200 * 10
4nm
3/ d(normal cubic metre/sky) natural gas liquefaction device, still belong at home pioneering, in the process of natural gas liquefaction, if can obtain in real time the component concentration of rock gas in each stage of liquefaction, to take measure targetedly that foundation is provided to the purification of follow-up phase, liquefaction process, but the component in centering small-scaled natural gas liquification device each stage of gas deliquescence process how, as the component concentration of the gas cryogen being adopted in cooling liquid process, carry out real-time analysis, the accurate content that obtains each component in gas cryogen, is still a problem.
Utility model content
The utility model provides a kind of gas cryogen sampling and component analysis system, in order to the content of each component in gas cryogen sample is analyzed.
For achieving the above object, the utility model provides a kind of gas cryogen sampling and component analysis system, this system comprises: cryogen transfer pipeline, sampling line, prime treating apparatus, trace pipe, pretreatment unit, gas chromatograph, instrument wind apparatus, carrier gas device and retracting device, wherein:
One end of described sampling line is provided with sample probe, and described sample probe is connected with described cryogen transfer pipeline, obtains the gas cryogen sample in described cryogen transfer pipeline;
The other end of described sampling line is connected with described prime treating apparatus, obtained gas cryogen sample is sent into described prime treating apparatus to be incubated, decompression, wherein said prime treating apparatus comprises prime processing casing, prime is processed pipeline, filtrator, electricity chuck variable valve and the first electric heater, described prime is processed pipeline and is arranged in described prime processing casing, one end that described prime is processed pipeline is connected with described sampling line, described filtrator and described electric chuck variable valve are successively set on described prime and process on pipeline, gas cryogen sample is incubated through described electric chuck variable valve after described filtrator filters, decompression, described prime is processed in casing and is provided with the first electric heater, described prime is processed to casing and carry out heating and thermal insulation,
Described trace pipe is connected to described prime and processes between the other end and described pretreatment unit of pipeline, will be through described prime treating apparatus insulation, post-decompression gas cryogen sample is sent into described pretreatment unit and is carried out pre-service, wherein said pretreatment unit comprises pre-service casing, pre-service pipeline, coalescer, safety line, decompression valve, three-way switch valve and the second electric heater, described pre-service pipeline is arranged in described pre-service casing, one end of described pre-service pipeline is connected with described trace pipe, described coalescer, described decompression valve and described three-way switch valve are successively set on described pre-service pipeline, the gas cryogen sample that enters described pre-service pipeline enters described decompression valve and reduces pressure after described coalescer filters out impurities, through post-decompression gas cryogen sample, enter described three-way control valve, the other end of described pre-service pipeline is connected with the sample gas air inlet pipeline of described gas chromatograph, described the second electric heater is arranged in described pre-service casing, described pre-service casing is heated,
The bottom of described coalescer is connected with return pipeline, and described return pipeline is back to process fuel system by gas cryogen sample unnecessary in described coalescer, is disposed with bypass flow meter and non-return valve on described return pipeline;
Described safety line is connected between the upstream of described the above coalescer of pre-service pipeline and the downstream of described the above non-return valve of return pipeline, in described safety line, be provided with safety valve, while surpassing setting value in order to the pressure in the described pre-service pipeline before described coalescer, the pressure in described pre-service pipeline is passed and rushed down to described return pipeline by described safety line;
The first end of described three-way switch valve and the second end are connected on described pre-service pipeline, and the 3rd end of described three-way switch valve is connected with calibrating gas pipeline;
Described retracting device comprises discharge manifold, blowdown piping and discharging tube road, described blowdown piping is connected between the drain and described discharge manifold of described gas chromatograph, described discharging tube road is connected with the drain of described gas chromatograph, in described discharge manifold, be provided with and reclaim gas interface and drain, before wherein said recovery gas interface and described drain, be respectively arranged with controlled valve;
Described instrument wind apparatus comprises instrument wind house steward, instrument wind interface and instrument wind transfer tube, wherein, described instrument wind interface is arranged on one end of described instrument wind house steward, before described instrument wind interface, be provided with controlled valve, described instrument wind transfer tube is connected between described instrument wind house steward and described gas chromatograph;
Described carrier gas device comprises carrier gas tank and carrier gas transfer tube, and wherein, described carrier gas transfer tube is connected between described gas chromatograph and described carrier gas tank, on described carrier gas transfer tube, is provided with controlled valve.
Optionally, on described instrument wind transfer tube, be provided with air purifier.
Optionally, on the described pre-service pipeline before described coalescer, be provided with pressure indicating instrument.
Optionally, the end of described prime processing pipeline is provided with pressure indicating instrument.
Optionally, the inlet end of described prime processing pipeline is provided with controlled valve.
Optionally, the inlet end of described pre-service pipeline is disposed with controlled valve.
Optionally, described carrier gas tank is 2, is provided with two pressure indicators and valve described in each on carrier gas tank.
Optionally, described instrument wind transfer tube is 1 ＂ pipe.
Optionally, said system also comprises sampling arm, and described sampling arm is connected to the end that described prime is processed pipeline, on described sampling arm, is provided with controlled valve.
In the above-described embodiments, the gas cryogen sample that samples out from cryogen transfer pipeline is delivered to prime treating apparatus via sampling line, in prime treating apparatus through insulation, after decompression, by Pressure Drop in pipe to 3.0Kg/cm
2afterwards from prime treating apparatus out, through trace pipe road by gas cryogen sample delivery to pretreatment unit, enter after pretreatment unit, gas cryogen sample filters out impurity through coalescer, in addition unnecessary sample gas is back in process fuel system through return pipeline, the safety line by safety valve is installed is in case hypertonia simultaneously.Through the gas cryogen sample that filters impurity, enter decompression valve and carry out secondary decompression, and then deliver to three-way switch valve, a wherein road access gas pipeline of three-way switch valve, another road is directed at gas chromatograph by gas cryogen sample and carries out component analysis, obtain the content of each component in cryogen sample, thereby can in raw natural gas cooling liquid process, on the impact of gas component, make anticipation to gas cryogen, and then for purification, the liquefaction process of follow-up phase, take measure targetedly foundation is provided.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the sampling of gas cryogen and the component analysis system construction drawing of an embodiment of the utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not paying the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 is cryogen sampling and the component analysis system construction drawing of an embodiment of the utility model.As shown in the figure, this system comprises: cryogen transfer pipeline 1, sampling line 2, prime treating apparatus 3, trace pipe, pretreatment unit 27, gas chromatograph 23, instrument wind apparatus, carrier gas device and retracting device, wherein:
One end of sampling line 2 is provided with sample probe, and sample probe is connected with cryogen transfer pipeline 1, obtains the gas cryogen sample in cryogen transfer pipeline 1;
The other end of sampling line 2 is connected with prime treating apparatus 3, obtained gas cryogen sample is sent into prime treating apparatus 3 to be incubated, decompression, wherein prime treating apparatus 3 comprises prime processing casing, prime is processed pipeline, filtrator 5, electricity chuck variable valve 4 and the first electric heater 6, prime is processed pipeline and is arranged in prime processing casing, one end that prime is processed pipeline is connected with sampling line 2, filtrator 5 and electric chuck variable valve 4 are successively set on prime and process on pipeline, gas cryogen sample is incubated through electric chuck variable valve 4 after filtrator 5 filters, decompression (is generally down to 3.0Kg/cm
2), prime is processed in casing and is provided with the first electric heater 6, prime is processed to casing and carry out heating and thermal insulation,
Trace pipe is connected to prime and processes between the other end and pretreatment unit 27 of pipeline, will be through 3 insulations of prime treating apparatus, the gas cryogen sample obtaining after decompression is sent into pretreatment unit 27 and is carried out pre-service, wherein pretreatment unit 27 comprises pre-service casing, pre-service pipeline, coalescer 10, safety line, decompression valve, three-way switch valve 12 and the second electric heater 13, pre-service pipeline is arranged in pre-service casing, one end of pre-service pipeline is connected with trace pipe, coalescer 10, pressure-regulating valve, three-way switch valve 12 is successively set on pre-service pipeline, the gas cryogen sample that enters pre-service pipeline filters out impurities through coalescer 10, gas cryogen sample after the removal of impurity enters three-way switch valve 12 by pressure-regulating valve after filtration, the other end of pre-service pipeline is connected with the sample gas air inlet pipeline of gas chromatograph 23, the second electric heater 13 is arranged in pre-service casing, pre-service casing is heated,
The bottom of coalescer 10 is connected with return pipeline, return pipeline is back to process fuel system (interface of the 7 process fuel pipes for return pipeline and process fuel system in figure) by gas cryogen sample unnecessary in coalescer 10, on return pipeline, be disposed with bypass flow meter 9 and non-return valve 8, be convenient to pipeline and control;
Safety line is connected between the upstream of coalescer 10 on pre-service pipeline and the downstream of return pipeline upper check valve 8, in safety line, be provided with safety valve 11, while surpassing setting value in order to the pressure in the pre-service pipeline before coalescer 10, the pressure in pre-service pipeline is passed and rushed down to return pipeline by safety line;
The first end of three-way switch valve 12 and the second end are connected on pre-service pipeline, the 3rd end of three-way switch valve 12 is connected with calibrating gas pipeline, in figure, 14 is the gas tank being connected with calibrating gas pipeline, on gas tank 14, be provided with two pressure indicators and valve, in addition, on calibrating gas pipeline, also can be provided with controlled valve;
Retracting device comprises discharge manifold 16, blowdown piping and discharging tube road 22, blowdown piping is connected between the drain and discharge manifold 16 of gas chromatograph 23, discharging tube road 22 is connected with the drain of gas chromatograph 23, in discharge manifold 16, be provided with and reclaim gas interface 15 and drain 17, before wherein reclaiming gas interface 15 and drain 17, be respectively arranged with controlled valve, can control recovery or the emptying of analyzing the gas cryogen sample after measuring through gas chromatograph 23 by controlled valve;
Instrument wind apparatus comprises instrument wind house steward 18, instrument wind interface 20, instrument wind transfer tube 25, wherein, instrument wind interface 20 is arranged on one end of instrument wind house steward 18, before instrument wind interface 20, be disposed with controlled valve and pressure-regulating valve 19, instrument wind transfer tube 25 is connected between instrument wind house steward 18 and gas chromatograph 23, in addition, on instrument wind transfer tube 25, also can be provided with air purifier, in order to the instrument wind to being blown into, purify, instrument wind transfer tube 25 is 1 ＂ pipe;
Carrier gas device comprises carrier gas tank 26, carrier gas transfer tube, and wherein, carrier gas transfer tube is connected between gas chromatograph 23 and carrier gas tank 26, on carrier gas transfer tube, is provided with controlled valve.
For example, on the pre-service pipeline before coalescer 10, can be provided with pressure indicating instrument, be convenient to the pressure in this section of pre-service pipeline of real time inspection.
For example, the end that prime is processed pipeline also can be provided with pressure indicating instrument, is convenient to this section of prime of real time inspection and processes the pressure in pipeline.
For example, the inlet end that prime is processed pipeline also can be provided with controlled valve, thereby can control flexibly the sampling of sampling line.
For example, the inlet end of pre-service pipeline also can be disposed with controlled valve, thereby can control flexibly the sampling of pre-service pipeline.
For example, carrier gas tank can also be provided with 2, is provided with two pressure indicators and valve on each carrier gas tank, is convenient to user and according to the pressure of indication, the flow velocity of carrier gas is regulated.
In the above-described embodiments, the gas cryogen sample that samples out from cryogen transfer pipeline is delivered to prime treating apparatus via sampling line, in prime treating apparatus through insulation, after decompression, by Pressure Drop in pipe to 3.0Kg/cm
2afterwards from prime treating apparatus out, through trace pipe road by gas cryogen sample delivery to pretreatment unit, enter after pretreatment unit, gas cryogen sample filters out impurity through coalescer, in addition unnecessary sample gas is back in process fuel system through return pipeline, the safety line by safety valve is installed is in case hypertonia simultaneously.Through the gas cryogen sample that filters impurity, enter decompression valve and carry out secondary decompression, and then deliver to three-way switch valve, a wherein road access gas pipeline of three-way switch valve, another road is directed at gas chromatograph by gas cryogen sample and carries out component analysis, obtain the content of each component in cryogen sample, thereby can in raw natural gas cooling liquid process, on the impact of gas component, make anticipation to gas cryogen, and then for purification, the liquefaction process of follow-up phase, take measure targetedly foundation is provided.
One of ordinary skill in the art will appreciate that: accompanying drawing is the schematic diagram of an embodiment, the module in accompanying drawing or flow process might not be that enforcement the utility model is necessary.
One of ordinary skill in the art will appreciate that: the module in the device in embodiment can be described and be distributed in the device of embodiment according to embodiment, also can carry out respective change and be arranged in the one or more devices that are different from the present embodiment.The module of above-described embodiment can be merged into a module, also can further split into a plurality of submodules.
Finally it should be noted that: above embodiment only, in order to the technical solution of the utility model to be described, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record previous embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of the utility model embodiment technical scheme.
Claims (8)
1. the sampling of gas cryogen and a component analysis system, is characterized in that, comprising: cryogen transfer pipeline, sampling line, prime treating apparatus, trace pipe, pretreatment unit, gas chromatograph, instrument wind apparatus, carrier gas device and retracting device, wherein:
One end of described sampling line is provided with sample probe, and described sample probe is connected with described cryogen transfer pipeline, obtains the gas cryogen sample in described cryogen transfer pipeline;
The other end of described sampling line is connected with described prime treating apparatus, obtained gas cryogen sample is sent into described prime treating apparatus to be incubated, decompression, wherein said prime treating apparatus comprises prime processing casing, prime is processed pipeline, filtrator, electricity chuck variable valve and the first electric heater, described prime is processed pipeline and is arranged in described prime processing casing, one end that described prime is processed pipeline is connected with described sampling line, described filtrator and described electric chuck variable valve are successively set on described prime and process on pipeline, gas cryogen sample is incubated through described electric chuck variable valve after described filtrator filters, decompression, described prime is processed in casing and is provided with the first electric heater, described prime is processed to casing and carry out heating and thermal insulation,
Described trace pipe is connected to described prime and processes between the other end and described pretreatment unit of pipeline, will be through described prime treating apparatus insulation, post-decompression gas cryogen sample is sent into described pretreatment unit and is carried out pre-service, wherein said pretreatment unit comprises pre-service casing, pre-service pipeline, coalescer, safety line, decompression valve, three-way switch valve and the second electric heater, described pre-service pipeline is arranged in described pre-service casing, one end of described pre-service pipeline is connected with described trace pipe, described coalescer, described decompression valve and described three-way switch valve are successively set on described pre-service pipeline, the gas cryogen sample that enters described pre-service pipeline enters described decompression valve and reduces pressure after described coalescer filters out impurities, through post-decompression gas cryogen sample, enter described three-way control valve, the other end of described pre-service pipeline is connected with the sample gas air inlet pipeline of described gas chromatograph, described the second electric heater is arranged in described pre-service casing, described pre-service casing is heated,
The bottom of described coalescer is connected with return pipeline, and described return pipeline is back to process fuel system by gas cryogen sample unnecessary in described coalescer, is disposed with bypass flow meter and non-return valve on described return pipeline;
Described safety line is connected between the upstream of described the above coalescer of pre-service pipeline and the downstream of described the above non-return valve of return pipeline, in described safety line, be provided with safety valve, while surpassing setting value in order to the pressure in the described pre-service pipeline before described coalescer, the pressure in described pre-service pipeline is passed and rushed down to described return pipeline by described safety line;
The first end of described three-way switch valve and the second end are connected on described pre-service pipeline, and the 3rd end of described three-way switch valve is connected with calibrating gas pipeline;
Described retracting device comprises discharge manifold, blowdown piping and discharging tube road, described blowdown piping is connected between the drain and described discharge manifold of described gas chromatograph, described discharging tube road is connected with the drain of described gas chromatograph, in described discharge manifold, be provided with and reclaim gas interface and drain, before wherein said recovery gas interface and described drain, be respectively arranged with controlled valve;
Described instrument wind apparatus comprises instrument wind house steward, instrument wind interface and instrument wind transfer tube, wherein, described instrument wind interface is arranged on one end of described instrument wind house steward, before described instrument wind interface, be provided with controlled valve, described instrument wind transfer tube is connected between described instrument wind house steward and described gas chromatograph;
Described carrier gas device comprises carrier gas tank and carrier gas transfer tube, and wherein, described carrier gas transfer tube is connected between described gas chromatograph and described carrier gas tank, on described carrier gas transfer tube, is provided with controlled valve.
2. system according to claim 1, is characterized in that, on described instrument wind transfer tube, is provided with air purifier.
3. system according to claim 1, is characterized in that, on the described pre-service pipeline before described coalescer, is provided with pressure indicating instrument.
4. system according to claim 1, is characterized in that, the end that described prime is processed pipeline is provided with pressure indicating instrument.
5. system according to claim 1, is characterized in that, the inlet end that described prime is processed pipeline is provided with controlled valve.
6. system according to claim 1, is characterized in that, the inlet end of described pre-service pipeline is disposed with controlled valve.
7. system according to claim 1, is characterized in that, described carrier gas tank is 2, is provided with two pressure indicators and valve described in each on carrier gas tank.
8. system according to claim 1, is characterized in that, described instrument wind transfer tube is 1 ＂ pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320608104.1U CN203479780U (en) | 2013-09-29 | 2013-09-29 | Gas refrigerant sampling and component analysis system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320608104.1U CN203479780U (en) | 2013-09-29 | 2013-09-29 | Gas refrigerant sampling and component analysis system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203479780U true CN203479780U (en) | 2014-03-12 |
Family
ID=50228090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320608104.1U Withdrawn - After Issue CN203479780U (en) | 2013-09-29 | 2013-09-29 | Gas refrigerant sampling and component analysis system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203479780U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472158A (en) * | 2013-09-29 | 2013-12-25 | 中国寰球工程公司 | Gas refrigerant sampling and component analyzing system |
-
2013
- 2013-09-29 CN CN201320608104.1U patent/CN203479780U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472158A (en) * | 2013-09-29 | 2013-12-25 | 中国寰球工程公司 | Gas refrigerant sampling and component analyzing system |
| CN103472158B (en) * | 2013-09-29 | 2014-12-24 | 中国寰球工程公司 | Gas refrigerant sampling and component analyzing system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103472156B (en) | System for sampling and component analysis of raw natural gas | |
| CN103487525B (en) | Liquid coolant sampling and component analyzing system | |
| CN103472179B (en) | System for sampling and component analysis of truck loaded finished liquefied natural gas | |
| EP3014241A2 (en) | Sample conditioning system for low pressure gas | |
| CN203191239U (en) | Online analyzing and pretreating system for outlet samples of carbonyl reactor | |
| CN103149057A (en) | Natural gas sample collection method for detecting mercury content of natural gas | |
| CN203479782U (en) | Sampling and component analyzing system of truck loading finished LNG | |
| CN104880386A (en) | System for testing friction resistance of carbon dioxide anhydrous fracturing fluid | |
| RU2438015C1 (en) | Well surveying facility | |
| CN206440358U (en) | Natural gas flowmeter verification system based on electric-heating technology | |
| CN105749696A (en) | Carbon dioxide variable-temperature adsorption and desorption system based on low-grade heat energy and method | |
| CN103471877B (en) | Natural gas sampling after the deacidification of a kind of absorption tower and component analysis system | |
| CN203479773U (en) | Ice chest liquefied natural gas sampling and component analysis system | |
| CN205958520U (en) | Natural gas online analysis device | |
| CN203479780U (en) | Gas refrigerant sampling and component analysis system | |
| CN203479775U (en) | Liquid refrigerant sampling and component analyzing system | |
| CN103472180B (en) | Sampling and component-analyzing system of natural gas dewatered by molecular sieve | |
| CN203479774U (en) | Raw natural gas sampling and component analyzing system | |
| CN203479581U (en) | Natural gas sampling and component analyzing system after deacidification of absorption tower | |
| CN203479781U (en) | After-molecular-sieve-dehydration natural gas sampling and component analyzing system | |
| CN103472157B (en) | Heat exchanger liquefied natural gas sampling and proximate analyzing system | |
| CN103472158B (en) | Gas refrigerant sampling and component analyzing system | |
| CN204785571U (en) | Portable liquefied natural gas sampler | |
| CN110749625A (en) | Radioactive gas online analysis integrated device | |
| CN203881388U (en) | Oil gas flowmeter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140312 Effective date of abandoning: 20141224 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140312 Effective date of abandoning: 20141224 |
|
| RGAV | Abandon patent right to avoid regrant |