CN102876430A - Lubricating oil and additive for lubricating oil - Google Patents
Lubricating oil and additive for lubricating oil Download PDFInfo
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- CN102876430A CN102876430A CN2012103754783A CN201210375478A CN102876430A CN 102876430 A CN102876430 A CN 102876430A CN 2012103754783 A CN2012103754783 A CN 2012103754783A CN 201210375478 A CN201210375478 A CN 201210375478A CN 102876430 A CN102876430 A CN 102876430A
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- lubricating oil
- oil
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- oil additive
- viscosity index
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- 239000010687 lubricating oil Substances 0.000 title claims abstract description 79
- 239000000654 additive Substances 0.000 title claims abstract description 33
- 230000000996 additive effect Effects 0.000 title claims abstract description 33
- 239000002199 base oil Substances 0.000 claims abstract description 20
- 239000002131 composite material Substances 0.000 claims abstract description 12
- 150000002751 molybdenum Chemical class 0.000 claims abstract description 9
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 8
- 239000003921 oil Substances 0.000 claims description 19
- 239000000203 mixture Substances 0.000 claims description 18
- 239000003795 chemical substances by application Substances 0.000 claims description 17
- 239000002253 acid Substances 0.000 claims description 9
- 230000000994 depressogenic effect Effects 0.000 claims description 9
- 238000005728 strengthening Methods 0.000 claims description 9
- 150000002019 disulfides Chemical class 0.000 claims description 8
- 230000007935 neutral effect Effects 0.000 claims description 5
- QDAYJHVWIRGGJM-UHFFFAOYSA-B [Mo+4].[Mo+4].[Mo+4].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O Chemical compound [Mo+4].[Mo+4].[Mo+4].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QDAYJHVWIRGGJM-UHFFFAOYSA-B 0.000 claims description 4
- JVEOCWZEOQDIIK-UHFFFAOYSA-N formic acid;molybdenum Chemical compound [Mo].OC=O JVEOCWZEOQDIIK-UHFFFAOYSA-N 0.000 claims description 4
- 229920002545 silicone oil Polymers 0.000 claims description 4
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 4
- QDCPNGVVOWVKJG-VAWYXSNFSA-N 2-[(e)-dodec-1-enyl]butanedioic acid Chemical compound CCCCCCCCCC\C=C\C(C(O)=O)CC(O)=O QDCPNGVVOWVKJG-VAWYXSNFSA-N 0.000 claims description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 2
- 241000158728 Meliaceae Species 0.000 claims description 2
- 229910052788 barium Inorganic materials 0.000 claims description 2
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims description 2
- 229920001577 copolymer Polymers 0.000 claims description 2
- 239000003208 petroleum Substances 0.000 claims description 2
- 229920013639 polyalphaolefin Polymers 0.000 claims description 2
- 229920000193 polymethacrylate Polymers 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- 239000003638 chemical reducing agent Substances 0.000 abstract 1
- 238000013329 compounding Methods 0.000 abstract 1
- 230000001050 lubricating effect Effects 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000012744 reinforcing agent Substances 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 description 7
- 238000007254 oxidation reaction Methods 0.000 description 7
- 238000002360 preparation method Methods 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 230000003078 antioxidant effect Effects 0.000 description 6
- 239000003112 inhibitor Substances 0.000 description 6
- 239000000314 lubricant Substances 0.000 description 6
- 239000003963 antioxidant agent Substances 0.000 description 5
- 235000006708 antioxidants Nutrition 0.000 description 5
- 239000000446 fuel Substances 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 238000010790 dilution Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 230000003245 working effect Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000010710 diesel engine oil Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 238000010525 oxidative degradation reaction Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000006277 sulfonation reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Abstract
The invention relates to an additive for lubricating oil. The additive comprises a reinforcing agent, a viscosity index improver, a pour point reducer, a composite antioxygen, molybdenum salt and anti-foaming agent. The invention further relates to the lubricating oil composed of base oil and the additive for the lubricating oil. The novel additive for the lubricating oil is obtained by compounding components which are low in cost and easy to obtain according to different components and different proportions. Various performance indexes of the lubricating oil added with the additive are evidently improved, especially lubricating effect of the lubricating oil can enhanced, the problem that viscosity of the lubricating oil is reduced during service is solved and the service life of the lubricating oil is prolonged.
Description
Technical field
The present invention relates to the lubricating oil field, the long-acting lubricating oil that is specifically related to a kind of lubricating oil additive and contains described lubricating oil additive.
Background technology
Along with developing rapidly of automobile industry, China's automobile pollution significantly increases.Automobile energy consumption and environmental issue cause that the whole society shows great attention to.Fuel combustion efficiency under the motor car engine service condition, lubricated sliding wear situation are the most remarkable on energy consumption and the environmental issue impact of automobile, and the lubricity of lubricating oil, performance steady in a long-term are had higher requirement.Frictional wear is ubiquitous spontaneous phenomenon, frictionloss about 1/3rd the primary energy source in the world, wearing and tearing are to cause one of three kinds of topmost forms of material and damage of facilities and inefficacy, and are lubricated then be the effective technology that reduces friction, reduces or avoid wearing and tearing.
The Chinese Lubricating Oil total demand will rise gently, and the top-grade lubricating oil rate of growth is very fast, and following lubricating oil will face many-sided severe challenge.Comply with world trends, the long lifetime will become the direction of Chinese Lubricating Oil development.
Long-acting lubricating oil is in the widespread use of automobile industry, not only can save energy, and can also reduce noise, reduce wear, improve the utilization ratio of resource, meet the strategy of sustainable development of China, meet the Environment Protection Policy of China.
Summary of the invention
For overcoming the existing technological deficiency that long-acting lubricating oil types is few, performance is undesirable, the purpose of this invention is to provide a kind of lubricating oil additive, adopt described additive can obviously improve the property indices of lubricating oil.
Another object of the present invention provides a kind of long-acting lubricating oil that has adopted described lubricating oil additive, and this lubricating oil can significantly strengthen the lubricant effect of lubricating oil, improves the phenomenon that lubricating oil viscosity descends under the service condition, improves the work-ing life of lubricating oil.
Lubricating oil additive provided by the invention comprises following composition by weight:
Preferably, described lubricating oil additive comprises following composition by weight:
Described strengthening agent preferably adopts H9300 general service oil recombiner, and with the reinforcement of H9310 recombiner; More preferably, described strengthening agent be H9300 and H9310 with 5～1: the mixture that 1 mass ratio forms; More preferably H9300 and H9310 are with 3～1: the mixture that 1 mass ratio forms.Strengthening agent can improve oxidation-resistance and the dispersiveness of described lubricating oil additive.
Described viscosity index improver is ethylene-propylene copolymer, petroleum sodium sulfonate, barium mahogany sulfonate or dodecenylsuccinic acid, preferred viscosities index improving agent T614.Viscosity index improver has good shear stability, thickening ability, low-temperature fluidity and suitability widely.
Described pour point depressant is poly-alpha olefins, polymethacrylate or alkylnaphthalene.The preferred T803B of pour point depressant, this pour point depressant product, except having fabulous pour point depression effect, anti-shear performance also has remarkable change, also can improve the viscosity index of oil product.
The preferred PKB900 composite antioxidant of described composite antioxidant, but thermal destruction and the oxidative degradation of this composite antioxidant establishment lubricating oil interpolymer.
Described molybdenum salt is dialkyl disulfides acid for molybdenum phosphate (MoDDP) or dialkyl disulfides acid for the formic acid molybdenum.After adding molybdenum salt the abrasion resistance of oil product is improved significantly.
Described kilfoam is composite anti-foam agent, methyl-silicone oil or methyl-silicone oil fat.Kilfoam is preferably composite anti-foam agent T921, and the compatibleness of this kilfoam and other composition of additive is good, and is little on the air release value impact, insensitive to the preparation method, and easy to use.
Lubricating oil provided by the invention is comprised of base oil and each described lubricating oil additive of above technical scheme, and wherein, the mass percent of described lubricating oil additive is 10～25%.
Described base oil is superelevation viscosity index base oil, neutral oil or the two mixture with the arbitrary proportion composition; Preferably, described base oil be superelevation viscosity index base oil and neutral oil with 1～5: the mixture that 1 mass ratio forms.
Described superelevation viscosity index base oil is preferably UHVI 6; Described neutral oil is preferably 500SN.
Described lubricating oil can adopt existing lubricating oil preparation method any be prepared.Preferred preparation process is: add first base oil, add each composition of lubricating oil additive under the state that stirs, stir until mix and get final product.Wherein, the interpolation of each composition of additive does not sequentially have particular requirement, can add according to practical situation.For promoting the compatible of additive and base oil, can suitably heat in the adding procedure.
Technical solution of the present invention has adopted component cheap and easy to get, and composite by heterogeneity, different ratios obtained novel lubricating oil additive.The lubricating oil that has added described lubricating oil additive can obviously improve the property indices of lubricating oil, especially can strengthen the work-ing life of the lubricant effect of lubricating oil, the phenomenon of improving lubricating oil viscosity decline under the service condition, raising lubricating oil.
Lubricating oil provided by the invention has the following advantages:
(1) in the situation that oxidation inhibitor reduce, still can give play to outstanding anti-oxidant, reduce carbon distribution coking usefulness, antioxidant property is very outstanding, has guaranteed the long-lasting of lubricating oil, the base number of driving a vehicle after 20,000 kilometers is still less than 2.
(2) consistency of lubricating oil additive and base oil is fabulous, thereby the lubricating oil that obtains has good stability.
(3) oil body decline phenomenon has obtained obvious improvement, has guaranteed the long time stability of oil pressure.
(4) compare with existing senior long-acting lubricating oil, saved cost, improved the work-ing life of lubricating oil, increased travel safety.
Embodiment
Following examples are used for explanation the present invention, but are not used for limiting the scope of the invention.
Embodiment 1
Lubricant formula is as follows: base oil is UHVI 6 and 500SN, respectively accounts for 59.4% and 25.4% of gross weight; Strengthening agent is H9300 and H9310, accounts for respectively 4.4% and 1.75% of gross weight; Viscosity index improver is T614, accounts for 8.0% of gross weight; Pour point depressant is T803B, accounts for 0.6% of gross weight; Oxidation inhibitor is PKB900, accounts for 0.3% of gross weight; Molybdenum salt be dialkyl disulfides acid for molybdenum phosphate (MoDDP), account for 0.06% of gross weight; Composite anti-foam agent T921 is weight percentage more than accounting for the 0.09%(of gross weight).
Preparation process is as follows: first add base oil in container, add successively strengthening agent, viscosity index improver, pour point depressant, oxidation inhibitor, molybdenum salt and kilfoam being heated under 50-60 ℃ the temperature and under at the uniform velocity stirring, mix namely and finish.
Embodiment 2
Lubricant formula is as follows: base oil is UHVI 6 and 500SN, respectively accounts for 61.27% and 24.01% of gross weight; Novel strengthening agent is H9300 and H9310, accounts for respectively 4.23% and 1.71% of gross weight; Viscosity index improver is T614, accounts for 7.8% of gross weight; Pour point depressant is T803B, accounts for 0.61% of gross weight; Oxidation inhibitor is PKB900, accounts for 0.3% of gross weight; Molybdenum salt be dialkyl disulfides acid for molybdenum phosphate (MoDDP), account for 0.06% of gross weight; Composite anti-foam agent T921 is weight percentage more than accounting for the 0.01%(of gross weight).
Preparation process is with embodiment 1.
Embodiment 3
Lubricant formula is as follows: base oil is UHVI 6 and 500SN, respectively accounts for 55.85% and 28.4% of gross weight; Novel strengthening agent is H9300 and H9310, accounts for respectively 4.82 and 1.78% of gross weight; Viscosity index improver is T614, accounts for 8.1% of gross weight; Pour point depressant is T803B, accounts for 0.66 of gross weight; Oxidation inhibitor is PKB900, accounts for 0.3% of gross weight; Molybdenum salt be dialkyl disulfides acid for the formic acid molybdenum, account for 0.07% of gross weight; Composite anti-foam agent T921 is weight percentage more than accounting for the 0.02%(of gross weight).
Preparation process is with embodiment 1.
Embodiment 4
Lubricant formula is as follows: base oil is UHVI 6 and 500SN, respectively accounts for 56.03% and 26.92% of gross weight; Novel strengthening agent is H9300 and H9310, accounts for respectively 4.94 and 2.93% of gross weight; Viscosity index improver is T612, accounts for 8.3% of gross weight; Pour point depressant is T801, accounts for 0.46% of gross weight; Oxidation inhibitor is PKB900, accounts for 0.3% of gross weight; Molybdenum salt be dialkyl disulfides acid for the formic acid molybdenum, account for 0.08% of gross weight; Composite anti-foam agent T922 is weight percentage more than accounting for the 0.04%(of gross weight).
Preparation process is with embodiment 1.
Experimental example 1
The present invention is lubricated the performance test of oil by project shown in the table 1 and standard.
The quality index of the long-acting lubricating oil of table 1 and test method
Embodiment 1 lubricating oil is compared with existing high-level lubricating oil, and performance comparison sees Table 2.
The Performance Ratio of table 2 embodiment 1 lubricating oil and existing high-level lubricating oil
The performance comparison result of embodiment 1-4 lubricating oil is as shown in table 3.
The Performance Ratio of table 3 embodiment 1-4 lubricating oil
Experimental example 2
The lubricating oil of embodiment 1 is carried out a large amount of road tests, has drawn to draw a conclusion:
(1) in the test of using this lubricating oil driving 0-20000 kilometer, detect its oxidation value and nitrated worth variation tendency is substantially mild, illustrate that oil product do not degrade substantially in the process of the test of driving a vehicle.And the moisture of oil product, carbon distribution, sulfonation value, fuel dilution, ethylene glycol content do not have all that great changes will take place, surpass alarm value, and the instruction carriage vehicle condition is good.
(2) in the test of using this lubricating oil driving 0-30000 kilometer, spread of viscosity is little, instruction carriage is being 3%-14% with the oil viscosity velocity of variation, the viscosity velocity of variation that requires than GB GB/T 7607 diesel engine oil criteria for changing oils is ± 25% much lower, and in car running process the oil pressure quite stable.Test shows that this oil product has good anti-oxidant and wear resistance.
(3) in the test of using this lubricating oil driving 0-30000 kilometer, base number changes little, all more than 4, satisfy base number among the GB GB/T 7607 fully greater than 2 requirement, this lubricating oil is described when travelling 30000 kilometers left and right sides, base number has preferably acid neutralising capacity and base number retentivity.
(4) flash-point has reflected the fuel dilution degree of machine oil, is the wearing and tearing of piston and rings and cause the reason of fuel dilution, and fuel oil enters in the engine.In using the test of this lubricating oil driving 0-20000 kilometer, the flash-point of oil product changes little, tends to be steady, and all more than 210 ℃, satisfies the requirement of criteria for changing oil fully.
Although above the present invention is described in detail with a general description of the specific embodiments, on basis of the present invention, can make some modifications or improvements it, this will be apparent to those skilled in the art.Therefore, these modifications or improvements all belong to the scope of protection of present invention without departing from theon the basis of the spirit of the present invention.
Claims (10)
1. a lubricating oil additive is characterized in that, comprises by weight following composition:
2. lubricating oil additive according to claim 1 is characterized in that, comprises by weight following composition:
3. lubricating oil additive according to claim 1 and 2 is characterized in that, described strengthening agent be H9300 and H9310 with 5～1: the mixture that 1 mass ratio forms.
4. lubricating oil additive according to claim 1 and 2 is characterized in that, described viscosity index improver is ethylene-propylene copolymer, petroleum sodium sulfonate, barium mahogany sulfonate or dodecenylsuccinic acid.
5. lubricating oil additive according to claim 1 and 2 is characterized in that, described pour point depressant is poly-alpha olefins, polymethacrylate or alkylnaphthalene.
6. lubricating oil additive according to claim 1 and 2 is characterized in that, described molybdenum salt is dialkyl disulfides acid for molybdenum phosphate or dialkyl disulfides acid for the formic acid molybdenum.
7. lubricating oil additive according to claim 1 and 2 is characterized in that, described kilfoam is composite anti-foam agent, methyl-silicone oil or methyl-silicone oil fat.
8. a lubricating oil is characterized in that, is comprised of base oil and each described lubricating oil additive of claim 1-7, and the mass percent of described lubricating oil additive is 10～25%.
9. lubricating oil according to claim 8 is characterized in that, described base oil is superelevation viscosity index base oil, neutral oil or the two mixture with the arbitrary proportion composition.
10. lubricating oil according to claim 9 is characterized in that, described base oil be superelevation viscosity index base oil and neutral oil with 1～5: the mixture that 1 mass ratio forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210375478.3A CN102876430B (en) | 2012-09-29 | 2012-09-29 | Lubricating oil and additive for lubricating oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210375478.3A CN102876430B (en) | 2012-09-29 | 2012-09-29 | Lubricating oil and additive for lubricating oil |
Publications (2)
| Publication Number | Publication Date |
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| CN102876430A true CN102876430A (en) | 2013-01-16 |
| CN102876430B CN102876430B (en) | 2013-10-30 |
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| CN201210375478.3A Expired - Fee Related CN102876430B (en) | 2012-09-29 | 2012-09-29 | Lubricating oil and additive for lubricating oil |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104312701A (en) * | 2014-11-14 | 2015-01-28 | 柳州聚龙科技有限公司 | Lubrication oil |
| CN105695048A (en) * | 2016-01-13 | 2016-06-22 | 北京联飞翔科技股份有限公司 | Lubricant additive and lubricant containing same |
| CN106147964A (en) * | 2016-06-29 | 2016-11-23 | 北京联飞翔科技股份有限公司 | A kind of high-end lubricating oil |
| CN107502415A (en) * | 2017-08-28 | 2017-12-22 | 马鞍山中粮生物化学有限公司 | A kind of environment-friendly type steam turbine oil and its preparation technology |
| CN107723073A (en) * | 2017-11-15 | 2018-02-23 | 苏州永创达电子有限公司 | A kind of energy-efficient automobile oil |
| CN111868305A (en) * | 2018-03-28 | 2020-10-30 | 出光兴产株式会社 | Rust preventive oil composition and method for producing same |
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| CN1259561A (en) * | 1998-10-30 | 2000-07-12 | 中国石化兰州炼油化工总厂 | Oil film bearing oil composition |
| US20050085398A1 (en) * | 2002-05-30 | 2005-04-21 | Ethyl Corporation | Antioxidant combination for oxidation and deposit control in lubricants containing molybdenum and alkylated phenothiazine |
| CN102690713A (en) * | 2011-03-24 | 2012-09-26 | 中国石油化工股份有限公司 | Lubricant composition for ship outboard engine |
| CN102690717A (en) * | 2011-03-24 | 2012-09-26 | 中国石油化工股份有限公司 | Extreme-pressure long-life lubricant composition for steam turbine |
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2012
- 2012-09-29 CN CN201210375478.3A patent/CN102876430B/en not_active Expired - Fee Related
Patent Citations (4)
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| CN1259561A (en) * | 1998-10-30 | 2000-07-12 | 中国石化兰州炼油化工总厂 | Oil film bearing oil composition |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104312701A (en) * | 2014-11-14 | 2015-01-28 | 柳州聚龙科技有限公司 | Lubrication oil |
| CN105695048A (en) * | 2016-01-13 | 2016-06-22 | 北京联飞翔科技股份有限公司 | Lubricant additive and lubricant containing same |
| CN106147964A (en) * | 2016-06-29 | 2016-11-23 | 北京联飞翔科技股份有限公司 | A kind of high-end lubricating oil |
| CN107502415A (en) * | 2017-08-28 | 2017-12-22 | 马鞍山中粮生物化学有限公司 | A kind of environment-friendly type steam turbine oil and its preparation technology |
| CN107723073A (en) * | 2017-11-15 | 2018-02-23 | 苏州永创达电子有限公司 | A kind of energy-efficient automobile oil |
| CN111868305A (en) * | 2018-03-28 | 2020-10-30 | 出光兴产株式会社 | Rust preventive oil composition and method for producing same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102876430B (en) | 2013-10-30 |
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Denomination of invention: Lubricating oil and additive for lubricating oil Effective date of registration: 20190326 Granted publication date: 20131030 Pledgee: Bank of Beijing Limited by Share Ltd. double show branch Pledgor: BEIJING UNIFLY TECHNOLOGY Co.,Ltd. Registration number: 2019990000265 |
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Effective date of registration: 20190912 Address after: 036000 Eighth Street 61, Phase III, Haude Trade Plaza, Shuocheng District, Shuozhou City, Shanxi Province Patentee after: Shanxi Tongxing Venture Technology Development Co.,Ltd. Address before: 100011, A, block 507, imperial international, No. 136, Anding street, Dongcheng District, Beijing Patentee before: BEIJING UNIFLY TECHNOLOGY Co.,Ltd. |
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Date of cancellation: 20200428 Granted publication date: 20131030 Pledgee: Bank of Beijing Limited by Share Ltd. double show branch Pledgor: BEIJING UNIFLY TECHNOLOGY Co.,Ltd. Registration number: 2019990000265 |
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