CN201955306U - Analyzing apparatus for toxicity of water quality - Google Patents
Analyzing apparatus for toxicity of water quality Download PDFInfo
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- CN201955306U CN201955306U CN2010202839013U CN201020283901U CN201955306U CN 201955306 U CN201955306 U CN 201955306U CN 2010202839013 U CN2010202839013 U CN 2010202839013U CN 201020283901 U CN201020283901 U CN 201020283901U CN 201955306 U CN201955306 U CN 201955306U
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Abstract
The utility model relates to an analyzing apparatus for toxicity of water quality, which comprises a flow regulating unit, a detection solution supplying unit, a first mixing unit, a detecting unit and a processing unit, wherein the flow regulating unit is used for regulating the flow ratio of a detected water sample and a diluent to obtain the water sample with different dilutions; the detection solution supplying unit is used for supplying a detection solution; the first mixing unit is used for mixing the detection solution, the detected water sample and the diluent to obtain a mixed solution; the detecting unit is used for detecting the mixed solution to obtain the signal corresponding to the water sample with different dilutions; and the processing unit is used for processing the signal to obtain the toxicity data corresponding to the water sample with different dilutions and judging the toxicity characteristic of the detected water sample according to the toxicity data. The analyzing apparatus can comprehensively judge the toxicity characteristic of the detected water sample.
Description
Technical field
The utility model relates to a kind of oxicity analysis, especially a kind of analytical equipment of water quality toxicity.
Background technology
The utilization of photobacteria method comprehensive toxicity analytical technology be that poisonous substance in the sample characterizes the comprehensive toxicity of sample to the inhibition degree of the specific bacteria characteristics of luminescence, have a wide range of applications at various fields toxicity assessments such as potable water, waste water, liquid food, soil extracts.The theoretical foundation that this method is carried out quantitative test for testing sample toxicity is, relatively photobacteria respectively with nontoxic control sample and luminosity after unknown testing sample contacts, calculate luminous inhibiting rate:
Wherein, I
0For contact the luminosity of back bacterium liquid with nontoxic control sample; I
tFor contact the luminosity of back bacterium liquid with unknown testing sample.The unknown testing sample strong toxicity of the big expression of luminous inhibiting rate, vice versa, thereby realized sample toxicity quantitative analysis.
Based on above-mentioned principle, Dutch Microlan company has developed Toxcontrol type water quality comprehensive toxicity automatic analyzer.Toxcontrol type analysis instrument adopts two-way parallel control analytical technology, and wherein one the tunnel is used to detect the blank sample, and other one the tunnel is used to detect sample, and two-way is contacted with trying the mixing of bacterium liquid simultaneously, and the shading value I of parallel detection two-way mixed liquor
0, I
t, calculate the luminous inhibiting rate of sample, the comprehensive toxicity of quantitative test sample to photobacteria.
At present, existing indivedual monitoring department adopts above-mentioned automatic analyzer to be used for the poison one-level examination monitoring of accident of water body burst Pollution or malice.Have toxic substance in detecting water outlet, then initiate Risk-warning, the monitoring personnel can start the physico-chemical analysis means poisonous substance is carried out the secondary detection analysis according to the toxicity early warning information, to differentiate the kind and the content of toxicant.In actual applications, the poison type that may occur in water is various, is difficult to expect.Aforesaid toxicity monitoring system only can provide the comprehensive water-body toxicity data.The toxicity data of voucher one is only differentiated and quantitative test if will finish poisonous substance as early as possible, then needs to employ simultaneously multiple analysis means and equipment, and such mode is consuming time, consumption power, consumption wealth.
The utility model content
Only can provide the limitation problem of single toxicity data, the utility model to provide a kind of can not only identification whether to have poisonous substance in the water sample in order to solve existing oxicity analysis technology, can also discern the analytical equipment of the water quality toxicity of poisonous substance type.
For achieving the above object, the utility model is by the following technical solutions:
A kind of water quality toxicity analytical equipment comprises mixed cell, detecting unit and processing unit; Also comprise:
Toxicant is removed module, and this removal module is arranged on the upstream of mixed cell;
Detect liquid module is provided, detect liquid and between removal module and mixed cell, be passed into; Detect liquid and contain label, remove the toxicant of module institute corresponding types in the described label response detected water sample, also respond the toxicant of other types in the detected water sample;
Detected water sample after described removal module or/and before be passed into, detecting unit records signal I
1, I
2
The described signal I of processing unit processes
1, I
2Thereby, judge whether contain in the detected water sample and the toxicant of removing the module corresponding type.
As preferably, described mixed cell comprises first mixed cell and second mixed cell, first mixed cell and the series connection of second mixed cell or be in two and analyze on the streams.
As preferably, described detecting unit comprises first detecting unit and second detecting unit, first mixed cell and the series connection of first detecting unit, second mixed cell and the series connection of second detecting unit.
As preferably, but described mixed cell stirring mixer or mixed pipe line.
Further, described toxicant is removed module and is two or more, and is parallel with one another.
Further, comprise that also the water sample correctives provides module, the water sample correctives was passed into before the described removal module and first mixed cell.
Compared with prior art, the utlity model has following advantage:
1, remove module by on the analysis stream specific selectivity poisonous substance being set, whether contrast passes through the toxotest result under this device situation, differentiates the toxicant type in the sample, for follow-up further analysis provides foundation.
2, can remove modules at be arranged in parallel simultaneously a plurality of dissimilar selectivity poisonous substances of analysis channel, remove module, anion selectivity removal module, polar organic matter selective removal module, nonpolar organic matter selective removal module etc. as cation selective, contrast the toxotest result under the various situations, the relevant information of toxicant characteristic in abundanter and the sample can be provided.
3, analytic process is easy, is convenient to instrumentation and robotization.
Description of drawings
Fig. 1 is the structural representation of analytical equipment in the prior art;
Fig. 2 is the structural representation of analytical equipment among the embodiment 1;
Fig. 3 is another structural representation of analytical equipment among the embodiment 1;
Fig. 4 is the structural representation of analytical equipment among the embodiment 2;
Fig. 5 is the structural representation of analytical equipment among the embodiment 3;
Fig. 6 is the structural representation of analytical equipment among the embodiment 4;
Fig. 7 is the structural representation of analytical equipment among the embodiment 5;
Fig. 8 is the structural representation of analytical equipment among the embodiment 6;
Fig. 9 is the structural representation of analytical equipment among the embodiment 7.
Embodiment
Embodiment 1:
As shown in Figure 2, a kind of water quality comprehensive toxicity analytical equipment comprises valve 11,12 (T-valve or other valves), and the selectivity poisonous substance is removed module 21, pump 31,32, mixed cell 41 with, light detection module 51 and analysis module.
The selectivity poisonous substance is removed in the module 21 and has been filled the kation chelating resin, is used for removing the heavy metal ion of water sample.
Photogen liquid is entering the analysis stream between pump 31 and the mixed cell under the driving of pump 32.
Mixed cell 41 can adopt stirring mixer or mixed pipe line, be used to realize to the mixing of detected water sample and photogen liquid with contact.Optical detection device is used to detect the characteristics of luminescence with photogen liquid after testing sample contacts.
In above-mentioned analytical equipment, pump 1 also can be arranged on before the valve 11, as shown in Figure 3.
Present embodiment has also disclosed a kind of water quality comprehensive toxicity analytical approach, also is the course of work of above-mentioned analytical equipment, may further comprise the steps:
A, valve 11,12 coordinated switch to the contrast passage; Under the driving of pump 31, detected water sample enters the analysis stream through the contrast passage; Under the driving of pump 32, photogen liquid enters the analysis stream, converges with detected water sample; Under the driving of pump, the detected water sample after converging realizes mixing contact with the photogen liquid mixed cell of flowing through, and the mixed liquor of detected water sample and the photogen liquid light detection module 51 of flowing through detects, and detection signal is designated as I
1
Valve 11,12 coordinated switch to poisonous substance and remove passage; Under the driving of pump 31, the selecting property poisonous substance removal module 21 that detected water sample is flowed through and filled the kation chelating resin, the water sample that is removed heavy metal ion enters the analysis stream; Under the driving of pump 2, photogen liquid enters the analysis stream, converges with detected water sample, detected water sample is with the photogen liquid mixed cell of flowing through, realize to mix contact, the mixed liquor of detected water sample and the photogen liquid light detection module 51 of flowing through detects, and detection signal is designated as I
2
B, the more described signal I of processing unit
1And I
2:
If I
1And I
2Between difference less than (I
1And I
2Between) during setting value, also be that both diversity ratios are less, show not have heavy metal ion in the detected water sample;
If I
1And I
2Between difference during more than or equal to described setting value, also promptly differ greatly, show that then the main poisonous substance that exists in the detected water sample is a heavy metal ion, belong to poisonous substance and remove the poisonous substance type that module 21 is removed, thereby realize identification detected water sample toxicity type.
Embodiment 2:
As shown in Figure 4, a kind of water quality comprehensive toxicity analytical equipment, as different from Example 1:
1, valve 13 (T-valve or other valves) also was set before valve 11, is used for optionally making detected water sample and clean reference water sample optionally to pass through this valve.
2, the selectivity poisonous substance is removed in the module and has been filled the anionic ion chelating resin.
Present embodiment has also disclosed a kind of water quality comprehensive toxicity analytical approach, also is the course of work of above-mentioned analytical equipment, may further comprise the steps:
A, under valve 11,12,13 coordinated, switch to the contrast passage, detected water sample and clean reference water sample pass through the contrast passage respectively, and then, realize mixing contact respectively with the photogen liquid mixed cell of flowing through, the mixed liquor of water sample and the photogen liquid optical detection device of flowing through detects; The detection signal of detected water sample and reference water sample is designated as I respectively
1And I
4
Under valve 11,12,13 coordinated, switch to poisonous substance and remove passage, detected water sample and clean reference water sample are removed passage by poisonous substance respectively, and then respectively with the photogen liquid mixed cell of flowing through, realize to mix contact, the mixed liquor of water sample and the photogen liquid optical detection device of flowing through detects; The detection signal of the reference water sample of detected water sample and cleaning is designated as I respectively
2And I
5
B, above-mentioned detection signal send processing unit, note
Note
A
3And A
4Represent when detected water sample is removed passage through contrast passage and poisonous substance luminous inhibiting rate respectively to photogen;
Analyze relatively A
3And A
4Value, be specially:
If A
3Approaching zero, also is signal I
1, I
4Between difference less than (I
1, I
4Between) during setting value, show not have poisonous substance in the detected water sample;
If A
3, also be signal I significantly greater than zero
1, I
4Difference more than or equal to (I
1, I
4Between) during setting value, and A
3And A
4Between have significant difference, also be I
1And I
2Between difference more than or equal to (I
1And I
2Between) setting value, then show to have poisonous substance in the detected water sample, and be mainly the anionic species toxicant, belong to the type that poisonous substance is removed the poisonous substance of module 21 removals;
If A
3Significantly greater than zero, and A
3And A
4Between do not have significant difference, also be I
1And I
2Between difference less than (I
1And I
2Between) setting value, then show to have poisonous substance in the detected water sample, but be not the anionic species toxicant, do not belong to the type that poisonous substance is removed the poisonous substance of module 21 removals, thereby realize identification testing sample toxicity type.
Embodiment 3:
As shown in Figure 5, a kind of water quality comprehensive toxicity analytical equipment, as different from Example 1:
Valve 13 (T-valve or other valves) is set between valve 12 and pump 31, is used for optionally making detected water sample and clean reference water sample optionally to pass through this valve.
Present embodiment has also disclosed a kind of water quality comprehensive toxicity analytical approach, also is the course of work of above-mentioned analytical equipment, may further comprise the steps:
A, under valve 11,12,13 coordinated are switched, detected water sample is removed passage by contrast passage and poisonous substance respectively, and then respectively with the photogen liquid mixed cell of flowing through, realize mixing contact, the mixed liquor of water sample and the photogen liquid optical detection device of flowing through detects, and detection signal is designated as I respectively
1And I
2
Under valve 11,12,13 coordinated are switched, clean reference water sample enters analysis of pipeline (also promptly need not to remove module through poisonous substance) under the driving of pump 31, and with the photogen liquid mixed cell of flowing through, realize to mix contact, the mixed liquor of water sample and the photogen liquid optical detection device of flowing through detects; Detection signal is designated as I respectively
3
B, above-mentioned detection signal send processing unit, and concrete processing mode is:
If I
1And I
3Difference less than (I
1And I
3Between) during setting value, also be both diversity ratio hour, then show not have poisonous substance in the detected water sample;
If I
1And I
3Difference more than or equal to (I
1And I
3Between) during setting value, also be both diversity ratios when big, and I
1And I
2Between have significant difference, promptly difference is more than or equal to (I
1And I
2Between) setting value, then show to have poisonous substance in the detected water sample, and be mainly heavy metal ion, belong to poisonous substance and remove the poisonous substance type that module 21 is removed;
If I
1And I
3Difference more than or equal to (I
1And I
3Between) during setting value, and I
1And I
2Between exist less difference (less than (I
1And I
2Between) setting value), then show to have poisonous substance in the detected water sample, and main if it were not for heavy metal ion, do not belong to poisonous substance and remove the type that module 21 is removed poisonous substance, thereby realize identification testing sample toxicity type.
Embodiment 4:
As shown in Figure 6, a kind of water quality comprehensive toxicity analytical equipment, as different from Example 1:
1, also be provided with another mixed cell 42 between pump 32 and mixed cell 41, this mixed cell is stirring mixer or mixed pipe line
2, the water sample correctives is entering the analysis stream under the driving of pump 33 between pump 32 and mixed cell 42, correctives is the mixed solution of sodium chloride and sodium thiosulfate, the ionic strength that maybe can regulate water sample is to the most suitable condition of photobacteria, and can remove oxidisability interfering materials such as chlorine residue in the water sample, ozone
3, the selectivity poisonous substance is removed in the module and has been filled polar resin, is used to remove the polarity organic poison.
Present embodiment has also disclosed a kind of water quality comprehensive toxicity analytical approach, also is the course of work of above-mentioned analytical equipment, may further comprise the steps:
A, under valve 11,12 coordinated, switch to the contrast passage; Under the driving of pump 31, detected water sample enters the analysis stream through the contrast passage; Under the driving of pump 32, the water sample correctives enters to be analyzed stream and converges with detected water sample, and the detected water sample after converging realizes mixing with the correctives mixed cell 42 of flowing through; Under the driving of pump 32, photogen liquid enters the analysis stream, converges with detected water sample, detected water sample after converging is with the photogen liquid mixed cell 2 of flowing through, realize to mix contact, the mixed liquor of detected water sample and the photogen liquid optical detection device of flowing through detects, and detection signal is designated as I
1
Under valve 11,12 coordinated, switch to poisonous substance and remove passage; Under the driving of pump 31, detected water sample is removed passage through poisonous substance and is entered the analysis stream; Under the driving of pump 33, the water sample correctives enters to be analyzed stream and converges with detected water sample, and the detected water sample after converging realizes mixing with the correctives mixed cell 42 of flowing through; Under the driving of pump 32, photogen liquid enters the analysis stream, converges with detected water sample, detected water sample after converging is with the photogen liquid mixed cell 2 of flowing through, realize to mix contact, the mixed liquor of detected water sample and the photogen liquid optical detection device of flowing through detects, and detection signal is designated as I
2
B, the more described signal I of processing unit
1And I
2:
If I
1And I
2Between difference less than (I
1And I
2Between) during setting value, show that the main poisonous substance that exists in the detected water sample is not a polar organic matter, do not belong to poisonous substance and remove the type that module 21 is removed poisonous substances;
If I
1And I
2Between difference be equal to or greater than (I
1And I
2Between) during setting value, show that then the poisonous substance that exists in the detected water sample is mainly polar organic matter, belong to poisonous substance and remove the type that module 21 is removed poisonous substances, thereby realize identification detected water sample toxicity type.
Embodiment 5:
As shown in Figure 7, a kind of water quality comprehensive toxicity analytical equipment, as different from Example 1:
Between valve 11 and poisonous substance removal module 21, valve 15 is set, between valve 12 and poisonous substance removal module 21, valve 14 is set, making recoil solution enter poisonous substance by valve 15 under the driving of pump 34 removes in the module 21, and finally discharge from valve 15, remove module 21 thereby clear up poisonous substance effectively.
Present embodiment has also disclosed a kind of water quality comprehensive toxicity analytical approach, also is the course of work of above-mentioned analytical equipment, as different from Example 1:
Embodiment 6:
As shown in Figure 8, a kind of water quality comprehensive toxicity analytical equipment, as different from Example 1:
Another poisonous substance in parallel is removed module 22, and poisonous substance is removed and filled the kation chelating resin in the module 21, and poisonous substance is removed module 22 and filled the negative ion chelating resin.By the switching of valve 16,17, make that detected water sample is removed module 21 by poisonous substance or poisonous substance is removed module 22.
Present embodiment has also disclosed a kind of water quality comprehensive toxicity analytical approach, also is the course of work of above-mentioned analytical equipment, as different from Example 1:
In step a, coordinated by valve 11-17 is switched, make that detected water sample is removed module 21 by poisonous substance or poisonous substance is removed module 22 or contrast passage, thereby realize multifrequency nature analysis, to obtain the abundanter information that helps follow-up toxicant type identification detected water sample.
Embodiment 7:
As shown in Figure 9, a kind of water quality comprehensive toxicity analytical equipment, as different from Example 1:
Detected water sample is divided into two-way, wherein one the tunnel removes module 21 by poisonous substance under the driving of pump 36, afterwards and the photogen liquid that drives by pump 32 converge, mixed cell 41 in, mix, and by detecting unit 51 detections, thereby obtain light signal I
2Other one the tunnel under the driving of pump 35 and the photogen liquid that drives by pump 32 converge, mixed cell 42 in, mix, and by detecting unit 52 detections, thereby obtain light signal I
1, also promptly obtain signal I simultaneously
1And I
2
Present embodiment has also disclosed a kind of water quality comprehensive toxicity analytical approach, also is the course of work of above-mentioned analytical equipment, as different from Example 1:
In step a, detected water sample is divided into two-way, wherein one the tunnel removes module 21 by poisonous substance under the driving of pump 36, afterwards and the photogen liquid that drives by pump 32 converge, mixed cell 41 in, mix, and by detecting unit 51 detections, thereby obtain light signal I
2Other one the tunnel under the driving of pump 35 and the photogen liquid that drives by pump 32 converge, mixed cell 42 in, mix, and by detecting unit 52 detections, thereby obtain light signal I
1, also promptly obtain signal I simultaneously
1And I
2
Embodiment 8:
As shown in Figure 6, a kind of water quality comprehensive toxicity analytical equipment, as different from Example 4:
1, ammonium chloride solution and water sample correctives enter the analysis stream road after by pump 33.
2, the selectivity poisonous substance is removed in the module and has been filled polar resin, is used to remove the polarity organic poison.
3, pick-up unit is the ammonium concentration pick-up unit.
Present embodiment has also disclosed a kind of water quality comprehensive toxicity analytical approach, also is the course of work of above-mentioned analytical equipment, as different from Example 4:
A, under the driving of pump 33, ammonium chloride solution and water sample correctives enter to be analyzed stream and converges with detected water sample, the mixed cell 42 of flowing through of the detected water sample after converging is realized mixing; Under the driving of pump 32, nitrobacteria (non-photogen) bacterium liquid enters the analysis stream, converge with detected water sample, detected water sample after the converging mixed cell 2 of flowing through, realize mixing contact, the mixed liquor of detected water sample and the nitrobacteria bacterium liquid ammonium concentration pick-up unit of flowing through detects, and detection signal is designated as I
1
Under the driving of pump 33, ammonium chloride solution and water sample correctives enter to be analyzed stream and converges with detected water sample, and the mixed cell 42 of flowing through of the detected water sample after converging is realized mixing; Under the driving of pump 32, nitrobacteria bacterium liquid enters the analysis stream, converges with detected water sample, detected water sample after the converging mixed cell 2 of flowing through, realize to mix contact, the mixed liquor of detected water sample and the nitrobacteria bacterium liquid ammonium concentration pick-up unit of flowing through detects, and detection signal is designated as I
2
Above-mentioned embodiment should not be construed as the restriction to the utility model protection domain.Key of the present utility model is: detected water sample and detect liquid mix contact before, remove passage and contrast passage through poisonous substance respectively earlier, the toxotest result of sample before and after contrast is handled then, obtain some physicochemical property relevant, also the oxicity analysis that exists in the sample is carried out type identification thereby be implemented in when sample carried out the toxicity quantitative test with toxicant.Under the situation that does not break away from the utility model spirit, any type of change that the utility model is made all should fall within the protection domain of the present utility model.
Claims (6)
1. the analytical equipment of a water quality toxicity comprises mixed cell, detecting unit and processing unit; It is characterized in that: described analytical equipment also comprises:
Toxicant is removed module, and this removal module is arranged on the upstream of mixed cell;
Detect liquid module is provided, detect liquid and between removal module and mixed cell, be passed into;
Detected water sample after described removal module or/and before be passed into, detecting unit records signal I
1, I
2
The described signal I of processing unit processes
1, I
2Thereby, judge whether contain in the detected water sample and the toxicant of removing the module corresponding type.
2. analytical equipment as claimed in claim 1 is characterized in that: described mixed cell comprises first mixed cell and second mixed cell, and first mixed cell and second mixed cell are connected or are in two and analyze on the streams.
3. analytical equipment as claimed in claim 2 is characterized in that: described detecting unit comprises first detecting unit and second detecting unit, first mixed cell and the series connection of first detecting unit, second mixed cell and the series connection of second detecting unit.
4. as claim 1 or 2 or 3 described analytical equipments, it is characterized in that: but described mixed cell stirring mixer or mixed pipe line.
5. analytical equipment as claimed in claim 1 is characterized in that: described toxicant is removed module and is two or more, and is parallel with one another.
6. as claim 2 or 3 described analytical equipments, it is characterized in that: comprise that also the water sample correctives provides module, the water sample correctives was passed into before the described removal module and first mixed cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202839013U CN201955306U (en) | 2010-08-04 | 2010-08-04 | Analyzing apparatus for toxicity of water quality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202839013U CN201955306U (en) | 2010-08-04 | 2010-08-04 | Analyzing apparatus for toxicity of water quality |
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| Publication Number | Publication Date |
|---|---|
| CN201955306U true CN201955306U (en) | 2011-08-31 |
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ID=44499414
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|---|---|---|---|
| CN2010202839013U Expired - Lifetime CN201955306U (en) | 2010-08-04 | 2010-08-04 | Analyzing apparatus for toxicity of water quality |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101907572A (en) * | 2010-08-04 | 2010-12-08 | 聚光科技(杭州)股份有限公司 | Method and device for analyzing water toxicity |
| CN104007277A (en) * | 2014-06-04 | 2014-08-27 | 宇星科技发展(深圳)有限公司 | Automatic biotoxicity monitor and monitoring method |
-
2010
- 2010-08-04 CN CN2010202839013U patent/CN201955306U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101907572A (en) * | 2010-08-04 | 2010-12-08 | 聚光科技(杭州)股份有限公司 | Method and device for analyzing water toxicity |
| CN104007277A (en) * | 2014-06-04 | 2014-08-27 | 宇星科技发展(深圳)有限公司 | Automatic biotoxicity monitor and monitoring method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HANGZHOU FOCUSED PHOTONICS ENVIRONMENTAL PROTECTIO Effective date: 20120319 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120319 Address after: Hangzhou City, Zhejiang province Binjiang District 310052 shore road 760 Co-patentee after: Hangzhou Juguang Environmental Protection Technology Co.,Ltd. Patentee after: Focused Photonics (Hangzhou) Inc. Address before: Hangzhou City, Zhejiang province Binjiang District 310052 shore road 760 Patentee before: Focused Photonics (Hangzhou) Inc. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20110831 Effective date of abandoning: 20130710 |
|
| RGAV | Abandon patent right to avoid regrant |