CN106433749A - Selective desulfurizing agent, preparation method thereof and application - Google Patents

Selective desulfurizing agent, preparation method thereof and application Download PDF

Info

Publication number
CN106433749A
CN106433749A CN201611113624.XA CN201611113624A CN106433749A CN 106433749 A CN106433749 A CN 106433749A CN 201611113624 A CN201611113624 A CN 201611113624A CN 106433749 A CN106433749 A CN 106433749A
Authority
CN
China
Prior art keywords
acetic acid
parts
illite
selective
desulfurizing agent
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.)
Granted
Application number
CN201611113624.XA
Other languages
Chinese (zh)
Other versions
CN106433749B (en
Inventor
不公告发明人
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xuancheng City Huaxin Chemical Co Ltd
Original Assignee
Zhengzhou Lifuai Biology Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhengzhou Lifuai Biology Technology Co ltd filed Critical Zhengzhou Lifuai Biology Technology Co ltd
Priority to CN201711257499.4A priority Critical patent/CN108048129A/en
Priority to CN201611113624.XA priority patent/CN106433749B/en
Publication of CN106433749A publication Critical patent/CN106433749A/en
Application granted granted Critical
Publication of CN106433749B publication Critical patent/CN106433749B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G45/00Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds
    • C10G45/02Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G2300/00Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
    • C10G2300/20Characteristics of the feedstock or the products
    • C10G2300/201Impurities
    • C10G2300/202Heteroatoms content, i.e. S, N, O, P
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G2400/00Products obtained by processes covered by groups C10G9/00 - C10G69/14
    • C10G2400/02Gasoline

Abstract

The invention discloses a selective desulfurizing agent, a preparation method thereof and an application. The desulfurizing agent comprises, by weight, 28-36 parts of illite, 1-5 parts of hydroxypropyl guar gum, 3-7 parts of perilla aldehyde and 11-19 parts of acetic acid. The illite serving as a raw material is mixed and grinded with the hydroxypropyl guar gum and treated by the acetic acid and the perilla aldehyde to obtain the selective desulfurizing agent, and gasoline with ultra-low sulfur content of 6 microgram per gram or less can be obtained with RON (research octane number) loss less than 2.0. The selective desulfurizing agent is good in sulfur selectivity, high in desulfurization percent, long in service life, environmentally friendly, free from secondary pollution and good in regeneration performance, and octane loss caused by olefins hydrogenation can be avoided while sulfur-containing compounds in the gasoline are deep removed. The preparation method is simple in preparation process, easy to operate and control, stable in performance, low in production cost and suitable for industrial production.

Description

A kind of selective desulfurization agent and its preparation method and application
Technical field
The present invention relates to technical field of gasoline, specifically a kind of selective desulfurization agent and its preparation method and application.
Background technology
The ultra-deep desulfurization of gasoline has become a major issue urgently to be resolved hurrily in world wide.Combustion of sulfur in gasoline Generating oxysulfide (SOx) is one of main pollutant in air, and it is discharged in the air and can form acid rain, destroys ecological ring Border.In addition, sulfur oxide also can corrosion and damage engine components, make motor-driven vehicle gas disposal catalyst poisoning, reduce it and urge Change activity, increase the discharge of particulate pollutant, increase the pollution of urban environment.Therefore, limiting sulfur content is motor petrol standard In an important indicator, be also evaluate gasoline cleaning degree key factor.External gasoline blend component only has 34% in constituting It is catalytic cracking (FCC) gasoline, the blend component of the product oil of China has 80% (volume fraction) to be derived from FCC gasoline, and gasoline From FCC gasoline, therefore, the sulfur content being effectively reduced using which kind of technique in FCC gasoline becomes China to the sulphur source of middle 85-95% The matter of utmost importance that quality of gasoline upgrading faces.
Traditional gasoline desulfurization technology can be divided into hydrodesulfurization and two kinds of desulfurization of absorption.Hydrodesulfurization need high temperature, high pressure, Substantial amounts of hydrogen wastage, also can cause the significantly loss of octane number with the saturation of olefin(e) compound.Absorption method gasoline desulfurization There is Low investment, lower operational cost.But the physical adsorption process removal efficiency with various molecular sieves, activated carbon as representative is relatively Low, and the life-span is shorter.Also there is discarded adsorbent secondary pollution and process problem in some materials.Additionally, existing desulfurizing agent is more Using materials such as activated carbon, ZSM-5, illite makes it seldom be used due to the structure of its own.
Content of the invention
It is an object of the invention to provide a kind of selective desulfurization agent and its preparation method and application, to solve above-mentioned background The problem proposing in technology.
For achieving the above object, the present invention provides following technical scheme:
A kind of selective desulfurization agent, is made up of the following raw material according to weight portion:Illite 28-36 part, hydroxypropyl guar Locust beam gum 1-5 part, perillaldehyde 3-7 part, acetic acid 11-19 part.
As the further scheme of the present invention:Described selective desulfurization agent, is made up of the following raw material according to weight portion:She Sharp stone 30-34 part, hydroxypropylguar 2-4 part, perillaldehyde 4-6 part, acetic acid 13-17 part.
As the further scheme of the present invention:Described selective desulfurization agent, is made up of the following raw material according to weight portion:She 32 parts of sharp stone, 3 parts of hydroxypropylguar, 5 parts of perillaldehyde, 15 parts of acetic acid.
The present invention another object is that provides a kind of preparation method of selective desulfurization agent, comprises the steps of:
1) 65% ethanol of 6.8 times of acetic acid and its quality is mixed, prepared acetic acid solution;
2) by illite and hydroxypropylguar mixed grinding 1.5-1.6h, it is subsequently adding acetic acid solution, is warming up to 69 DEG C and seal stir process 1.9h at such a temperature, then heat to 83 DEG C and Deca perillaldehydes, in this temperature after being added dropwise to complete Lower supersound process 22min, ultrasonic power is 1000W, then stirs at a temperature of 99-101 DEG C to dry, then in 440 DEG C of horse Not in stove, calcining 4.3h obtains final product desulfurizing agent.
The present invention another object is that offer described desulfurizing agent application in the oil.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention with illite as raw material, after hydroxypropylguar mixed grinding, then the place through peracetic acid, perillaldehyde The desulfurizing agent that reason etc. is obtained, makes gasoline in the case that RON loss is less than 2.0, can obtain sulfur content super in below 6 μ g/g The gasoline of low sulfur content.The present invention is good to the selectivity of sulfur, desulfurization depth is high, can sulfur-containing compound in deep removal gasoline While, it is to avoid the loss of octane number that olefins hydrogenation causes, long service life, non-secondary pollution more friendly to environment, Regenerability is good.Preparation process is simple of the present invention, easy to operate, easy to control, stable performance, low production cost, it is suitable to industrialization Produce.
Specific embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, Obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based in the present invention Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of not making creative work, all Belong to the scope of protection of the invention.
Embodiment 1
In the embodiment of the present invention, a kind of selective desulfurization agent, it is made up of the following raw material according to weight portion:Illite 28 Part, 1 part of hydroxypropylguar, 3 parts of perillaldehyde, 11 parts of acetic acid.
The ethanol that 6.8 times of volumetric concentration of acetic acid and its quality is 65% is mixed, prepared acetic acid solution.By illite with Hydroxypropylguar mixed grinding 1.5h, is subsequently adding acetic acid solution, is warming up to 69 DEG C and seals at such a temperature at stirring Reason 1.9h, then heats to 83 DEG C and Deca perillaldehydes, supersound process 22min at such a temperature after being added dropwise to complete, ultrasonic power For 1000W, then stir at a temperature of 99 DEG C to dry, then in 440 DEG C of Muffle furnace, calcining 4.3h obtains final product desulfurizing agent.
Embodiment 2
In the embodiment of the present invention, a kind of selective desulfurization agent, it is made up of the following raw material according to weight portion:Illite 36 Part, 5 parts of hydroxypropylguar, 7 parts of perillaldehyde, 19 parts of acetic acid.
6.8 times of 65% ethanol of acetic acid and its quality is mixed, prepared acetic acid solution.By illite and hydroxypropyl guar bean Glue mixed grinding 1.6h, is subsequently adding acetic acid solution, is warming up to 69 DEG C and seals stir process 1.9h, Ran Housheng at such a temperature Temperature to 83 DEG C and Deca perillaldehyde, supersound process 22min at such a temperature after being added dropwise to complete, ultrasonic power is 1000W, then Stir at a temperature of 101 DEG C to dry, in 440 DEG C of Muffle furnace, then calcine 4.3h obtain final product desulfurizing agent.
Embodiment 3
In the embodiment of the present invention, a kind of selective desulfurization agent, it is made up of the following raw material according to weight portion:Illite 30 Part, 2 parts of hydroxypropylguar, 4 parts of perillaldehyde, 13 parts of acetic acid.
6.8 times of 65% ethanol of acetic acid and its quality is mixed, prepared acetic acid solution.By illite and hydroxypropyl guar bean Glue mixed grinding 1.55h, is subsequently adding acetic acid solution, is warming up to 69 DEG C and seals stir process 1.9h at such a temperature, then It is warming up to 83 DEG C and Deca perillaldehydes, supersound process 22min at such a temperature after being added dropwise to complete, ultrasonic power is 1000W, then Stir at a temperature of 100 DEG C to dry, in 440 DEG C of Muffle furnace, then calcine 4.3h obtain final product desulfurizing agent.
Embodiment 4
In the embodiment of the present invention, a kind of selective desulfurization agent, it is made up of the following raw material according to weight portion:Illite 34 Part, 4 parts of hydroxypropylguar, 6 parts of perillaldehyde, 17 parts of acetic acid.
6.8 times of 65% ethanol of acetic acid and its quality is mixed, prepared acetic acid solution.By illite and hydroxypropyl guar bean Glue mixed grinding 1.55h, is subsequently adding acetic acid solution, is warming up to 69 DEG C and seals stir process 1.9h at such a temperature, then It is warming up to 83 DEG C and Deca perillaldehydes, supersound process 22min at such a temperature after being added dropwise to complete, ultrasonic power is 1000W, then Stir at a temperature of 100 DEG C to dry, in 440 DEG C of Muffle furnace, then calcine 4.3h obtain final product desulfurizing agent.
Embodiment 5
In the embodiment of the present invention, a kind of selective desulfurization agent, it is made up of the following raw material according to weight portion:Illite 32 Part, 3 parts of hydroxypropylguar, 5 parts of perillaldehyde, 15 parts of acetic acid.
6.8 times of 65% ethanol of acetic acid and its quality is mixed, prepared acetic acid solution.By illite and hydroxypropyl guar bean Glue mixed grinding 1.55h, is subsequently adding acetic acid solution, is warming up to 69 DEG C and seals stir process 1.9h at such a temperature, then It is warming up to 83 DEG C and Deca perillaldehydes, supersound process 22min at such a temperature after being added dropwise to complete, ultrasonic power is 1000W, then Stir at a temperature of 100 DEG C to dry, in 440 DEG C of Muffle furnace, then calcine 4.3h obtain final product desulfurizing agent.
Comparative example 1
In addition to not containing hydroxypropylguar, its material content and preparation process are consistent with embodiment 5.
Comparative example 2
In addition to not containing perillaldehyde, its material content and preparation process are consistent with embodiment 5.
Comparative example 3
In addition to not containing hydroxypropylguar and perillaldehyde, its material content and preparation process are consistent with embodiment 5.
Embodiment 6
Selective desulfurization agent using above-described embodiment 1-5 and comparative example 1-3 gained is selected to sour gasoline respectively The desulfurization of selecting property, comprises the following steps that:
Sulfur content is taken off with the selectivity of embodiment 1-5 and comparative example 1-3 gained respectively in the sour gasoline of 398 μ g/g Sulfur agent is in feeding liquid volume space velocity 2h-1, under conditions of 100 DEG C of temperature, pressure 0.8MPa, hydrogen and sour gasoline volume ratio 100 Contacted.
Sour gasoline used and respectively through embodiment 1-5 and comparative example 1-3 gained in above-mentioned Application Example Selective desulfurization agent carries out total sulfur in the sulfur-free gasoline of gained after desulfurization, alkene, research octane number (RON), RON loss, desulfurization degree After testing or calculate, it the results are shown in Table 1.
Table 1
As can be seen from the above table, catalytically cracked gasoline inferior can be processed as sulfur content by the selective desulfurization agent of the present invention <The high-quality cleaning sulfur-free gasoline of 6 μ g/g, research octane number (RON) RON loses<2.0 units.
Embodiment 7
Using embodiment 5 gained selective desulfurization agent to sulfur content 398 μ g/g sour gasoline in feeding liquid volume Air speed 2h-1, 100 DEG C of temperature, pressure 0.8MPa, hydrogen process 10h with carrying out under conditions of sour gasoline volume ratio 100 contacting Afterwards, that is, the desulfurization process of 1 selective desulfurization agent are completed.
The above-mentioned selective desulfurization agent completing 1 desulfurization process is regenerated, comprises the following steps that:
It is regeneration gas that above-mentioned regenerative process adopts air, and control volume of air air speed is 200h-1, temperature be 440 DEG C, often Pressure carries out burning sulfur 2.5h, is then down to room temperature, that is, the regeneration of the selective desulfurization agent after completing to inactivate.
By above-mentioned complete 1 time regeneration after selective desulfurization agent to sulfur content 398 μ g/g sour gasoline again according to Above-mentioned condition carries out desulfurization process, that is, repeat above-mentioned desulfurization, regeneration 5 times, 10 times.
Using the regeneration 1 time of above-mentioned gained, 5 times, the selective desulfurization agent of 10 times respectively sour gasoline is carried out with desulfurization, institute Sour gasoline is that total sulfur in raw oil and the sulfur-free gasoline of gained, alkene, research octane number (RON), desulfurization degree the results are shown in Table 2:
Table 2
As can be seen from the above table, the selective desulfurization agent of the present invention, its through 10 times regeneration after, its desulfurization degree still up to 99.5-99.7%, has been indicated above during sour gasoline desulfurization, the activity of selective desulfurization agent of the present invention, selection Property is good, and every reactivity worth index good stability of the gasoline after desulfurization.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie In the case of the spirit or essential attributes of the present invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling Change is included in the present invention.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment only wraps Containing an independent technical scheme, only for clarity, those skilled in the art should for this narrating mode of description Using description as an entirety, the technical scheme in each embodiment can also form those skilled in the art through appropriately combined Understandable other embodiment.

Claims (5)

1. a kind of selective desulfurization agent is it is characterised in that be made up of the following raw material according to weight portion:Illite 28-36 part, hydroxyl Propyl group guar gum 1-5 part, perillaldehyde 3-7 part, acetic acid 11-19 part.
2. selective desulfurization agent according to claim 1 is it is characterised in that be made up of the following raw material according to weight portion: Illite 30-34 part, hydroxypropylguar 2-4 part, perillaldehyde 4-6 part, acetic acid 13-17 part.
3. selective desulfurization agent according to claim 1 is it is characterised in that be made up of the following raw material according to weight portion: 32 parts of illite, 3 parts of hydroxypropylguar, 5 parts of perillaldehyde, 15 parts of acetic acid.
4. a kind of preparation method of described selective desulfurization agent as arbitrary in claim 1-3 is it is characterised in that by following steps Composition:
1) 65% ethanol of 6.8 times of acetic acid and its quality is mixed, prepared acetic acid solution;
2) by illite and hydroxypropylguar mixed grinding 1.5-1.6h, it is subsequently adding acetic acid solution, is warming up to 69 DEG C simultaneously Seal stir process 1.9h at such a temperature, then heat to 83 DEG C and Deca perillaldehyde, surpass at such a temperature after being added dropwise to complete Sonication 22min, ultrasonic power is 1000W, then stirs at a temperature of 99-101 DEG C to dry, then in 440 DEG C of Muffle furnace Middle calcining 4.3h obtains final product desulfurizing agent.
5. described desulfurizing agent as arbitrary in claim 1-3 application in the oil.
CN201611113624.XA 2016-12-07 2016-12-07 A kind of selective desulfurization agent and its preparation method and application Active CN106433749B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201711257499.4A CN108048129A (en) 2016-12-07 2016-12-07 A kind of selective desulfurization agent and its preparation method and application
CN201611113624.XA CN106433749B (en) 2016-12-07 2016-12-07 A kind of selective desulfurization agent and its preparation method and application

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611113624.XA CN106433749B (en) 2016-12-07 2016-12-07 A kind of selective desulfurization agent and its preparation method and application

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN201711257499.4A Division CN108048129A (en) 2016-12-07 2016-12-07 A kind of selective desulfurization agent and its preparation method and application

Publications (2)

Publication Number Publication Date
CN106433749A true CN106433749A (en) 2017-02-22
CN106433749B CN106433749B (en) 2018-01-19

Family

ID=58217686

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201711257499.4A Withdrawn CN108048129A (en) 2016-12-07 2016-12-07 A kind of selective desulfurization agent and its preparation method and application
CN201611113624.XA Active CN106433749B (en) 2016-12-07 2016-12-07 A kind of selective desulfurization agent and its preparation method and application

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CN201711257499.4A Withdrawn CN108048129A (en) 2016-12-07 2016-12-07 A kind of selective desulfurization agent and its preparation method and application

Country Status (1)

Country Link
CN (2) CN108048129A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050059548A1 (en) * 1999-08-25 2005-03-17 Khare Gyanesh P. Desulfurization and novel sorbents for same
CN104209142A (en) * 2013-06-05 2014-12-17 中国石油化工股份有限公司 Hydrocarbon oil desulfurization catalyst and application method thereof

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105289472A (en) * 2015-11-19 2016-02-03 兰州坤仑环保科技有限公司 Honeycomb attapulgite ceramsite diesel oil desulfurizer

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050059548A1 (en) * 1999-08-25 2005-03-17 Khare Gyanesh P. Desulfurization and novel sorbents for same
CN104209142A (en) * 2013-06-05 2014-12-17 中国石油化工股份有限公司 Hydrocarbon oil desulfurization catalyst and application method thereof

Also Published As

Publication number Publication date
CN106433749B (en) 2018-01-19
CN108048129A (en) 2018-05-18

Similar Documents

Publication Publication Date Title
WO2009020055A1 (en) Gas oil composition
JP5142588B2 (en) Method for producing gasoline composition
CN107029780A (en) A kind of catalyst refined using methyl hydride catalyzed heavy crude and preparation method thereof
CN106582505A (en) Clay desulfurizer as well as preparation method and application thereof
JP5117089B2 (en) Method for producing light oil composition
JP5189740B2 (en) Hydrorefining method
CN106433749B (en) A kind of selective desulfurization agent and its preparation method and application
JP5072444B2 (en) Method for producing light oil composition
CN106479557A (en) A kind of gasoline product desulfurizing agent and its preparation method and application
CN106378099A (en) Modified desulfuration adsorbent, and preparation method and application thereof
JP5072010B2 (en) Light oil composition
CN106554803B (en) A kind of gasoline desulfurizer and its preparation method and application
JP2007308567A (en) Hydrogenation purification method and environmental low load type gasoline base material
CN106590733A (en) Method of preparing diatomite desulfurizing agent
JP2007308566A (en) Hydrogenation purification method and environmental low load type gasoline base material
CN106732478A (en) A kind of diatomite desulfurizing agent and its preparation method and application
CN106732339A (en) A kind of selective desulfurization agent and preparation method thereof
CN107159096A (en) Adsorbing and desulfurizing catalytic cracking gasoline agent and preparation method and application
CN106433741B (en) A kind of gasoline product desulfurizing agent and its preparation method and application
CN106582501A (en) Desulfuration adsorbent
CN106582512A (en) Gasoline desulphurization agent and preparation method thereof
CN1488722A (en) Isomerization catalyst and preparation thereof
CN106732479A (en) A kind of modified desulfuration adsorbent
JP5072006B2 (en) Method for producing light oil composition
CN106693883A (en) Gasoline desulfurization adsorbent, and preparation method and application thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
CB03 Change of inventor or designer information

Inventor after: Ge Jihong

Inventor before: The inventor has waived the right to be mentioned

CB03 Change of inventor or designer information
TA01 Transfer of patent application right

Effective date of registration: 20171222

Address after: 242000 Xuanzhou District, Xuancheng, Anhui Province, civet bridge town

Applicant after: Xuancheng City Huaxin Chemical Co., Ltd.

Address before: Bamboo hi tech Industrial Development Zone, Henan province Zhengzhou City 450000 Street No. 6 Building 4, 1 layers of No. 05

Applicant before: Zhengzhou Li Life Technology Co. Ltd.

TA01 Transfer of patent application right
GR01 Patent grant
GR01 Patent grant