CN202506159U - Equipment for extracting natural borneolum - Google Patents
Equipment for extracting natural borneolum Download PDFInfo
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- CN202506159U CN202506159U CN2011205560675U CN201120556067U CN202506159U CN 202506159 U CN202506159 U CN 202506159U CN 2011205560675 U CN2011205560675 U CN 2011205560675U CN 201120556067 U CN201120556067 U CN 201120556067U CN 202506159 U CN202506159 U CN 202506159U
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Abstract
The utility model discloses equipment for extracting natural borneolum. The equipment for extracting the natural borneolum comprises a distillation retort (1) consisting of a retort body (11) and a retort cover (12), a vapor guide pipe (2), a mixed vapor guide pipe (3), a condenser (4), a secondary condensation barrel (5), and a raw material basket (7); the vapor guide pipe (2) enters the bottom of the distillation retort (1); the mixed vapor guide pipe (3) is communicated with the distillation retort (1) and the condenser (4); the secondary condensation barrel (5) is provided with a cooling liquid cylinder (56) and an air outlet pipe (53), and an oil outlet pipe (55) and a water outlet pipe (54); the condenser (4) is communicated with a secondary condensation barrel body (52) through a bent pipe (43); and the raw material basket (7) moves into and out of the distillation retort (1) through an upper opening of the retort body (11) of the distillation retort (1). The equipment for extracting the natural borneolum has the advantages that solid phase substances and liquid phase substances of extract can be separated and collected simultaneously, vapor consumption is reduced, and high heat energy utilization rate and equipment utilization rate are guaranteed.
Description
Technical field:
The utility model relates to a kind of extraction equipment to active ingredients of plants, relates in particular to the camphor tree branches and leaves are extracted the equipment of natural d-Bomeol.
Background technology:
Natural d-Bomeol (Borneolum) original name " kapur " is claimed the plum sheet again, the trade name natural borneol, and the formal name used at school baras camphor, molecular formula is C10H180.Originating in the archipelago, Sumatera of Indonesia, is the crystallized product that from the resin of Dipterocarpaceae borneo camphor tree (Dryobalanops aromatica Gaertmer), anhydrates and distil.Its gas delicate fragrance, bitter, Xin Liang, logical all key is arranged, the stagnated fire of loosing, swelling and pain relieving, clearing heat and detoxicating, go screen to make eye bright, medicinal functions such as the inducing resuscitation of having one's ideas straightened out, removing necrosis, promoting granulation are a kind of famous and precious rare medicinal material and senior spices.
At present, produce the closely exhaustion of borneo camphor tree of natural d-Bomeol.For solving the situation of natural d-Bomeol shortage of resources, China scientific and technical personnel are always in the resource of seeking the natural d-Bomeol of preparation energetically.Up to the nineties in last century, successively found a kind of natural canella-borneol camphor tree of extracting natural d-Bomeol with higher value of exploiting and utilizing on the new rolling in Jishui, Jiangxi and Hunan and other places.Subsequently, the professional science and technology personnel have carried out research repeatedly to method for distilling and the extraction equipment that how from the borneol camphor tree, to extract natural d-Bomeol again, and have obtained many scientific achievements, and some has obtained national patent.As: State Patent Office disclosed " efficient extracting device for natural borneol " (publication number is CN101279893A) on October 8th, 2008.This equipment comprises charging basket, alembic, filler pipe, feed liquid steam pipe, the condenser that has many holes; Distillation is irritated the side and is had the charging basket gateway, and sewage draining exit is arranged at the bottom, and scavenge pipe is arranged at the top, and irritating inner bottom part in distillation has heat(ing) coil, and this heat(ing) coil top has guide rail, charging basket to be located in can pass in and out alembic charging or discharging from the gateway on the guide rail; Filler pipe puts in and adds distillation time institute's water requirement in the alembic; One end of feed liquid steam pipe is communicated with alembic from the top of alembic, and the other end is communicated with from condenser, and condenser comprises staving; The staving periphery is provided with the recirculated water water jacket, also is provided with electronic and scraper plate in the staving.This has mechanical motorized, and technology is simple, and is easy to operate, but the advantage of mass industrialized production natural borneol.But also there is following deficiency in this equipment: the one, and this equipment is just collected the solid natural borneol, and to other effective ingredients, as: camphorated oil, how not collect and explain.In fact, in condensation process, also have more natural borneol not to be condensed into solid, but still be dissolved in camphor oil and the water, if with camphorated oil and water together as waste discharge, that is a kind of waste to resource; If it is collected, this equipment does not separate with water camphor oil, and this equipment is to add water to distill in addition, and its levels is many, and You Heshui collects together, certainly will cause collecting amount excessive.The 2nd, this equipment is to adopt the steam pipe coil indirect heating that raw material is distilled, and is that raw material is added the water distillation, and like this, its steam supply must be many, and distillation time is long, causes its heat energy utilization rate low.The 3rd, the charging basket of this equipment is the side turnover from alembic, and after charging basket got into alembic, the upper space of alembic can't be put into raw material again, and the upper space of alembic is not fully used, and causes utilization rate of equipment and installations low.
The utility model content:
The technical problem that the utility model will solve is, to the deficiency that above-mentioned prior art exists, providing a kind of can separate with the liquid phase thing and collects solid formation simultaneously, and steam consumption is few, heat energy utilization rate height, the natural d-Bomeol extraction equipment that utilization rate of equipment and installations is also high.
The technical solution of the utility model is:
A kind of natural d-Bomeol extracts equipment, comprises alembic, steam lead, mixed vapour conduit, condenser, and sewage draining exit is arranged at the alembic bottom; It is characterized in that alembic is made up of tank body and cover, tank body and cover locate to be provided with the hermetically-sealed construction that can be easy to open loam cake with one voice; Steam lead one end is connected with the alembic bottom, and communicates with alembic inside, and condenser comprises main body and lid; Main body and lid locate to be provided with the hermetically-sealed construction that can be easy to open loam cake with one voice, an end of mixed vapour conduit is communicated with the alembic cover, the other end is communicated with the lid of condenser; Also be provided with the B-grade condensation bucket, the B-grade condensation bucket is made up of staving and bung, staving and bung locate to be provided with the hermetically-sealed construction that can be easy to open loam cake with one voice; The bung of B-grade condensation bucket is provided with escape pipe; Be provided with the cooling fluid cylinder above the bung of B-grade condensation bucket, the bottom of condenser is provided with bend pipe with B-grade condensation bucket staving and is communicated with, and B-grade condensation bucket staving bottom also is provided with flowline and the outlet pipe after the water-oil separating; Also be provided with the raw material basket in addition, the raw material basket is from the last uncovered turnover of alembic tank body.
Compared with prior art; The utlity model has following advantage: the one, because the utility model is provided with the B-grade condensation bucket; The bottom of condenser is provided with bend pipe with B-grade condensation bucket staving and is communicated with; The bung of B-grade condensation bucket is provided with escape pipe, is provided with the cooling fluid cylinder above the bung of B-grade condensation bucket, and B-grade condensation bucket staving bottom also is provided with flowline and the outlet pipe after the water-oil separating.In leaching process, mixed vapour gets in the condenser, and most natural d-Bomeol is met cold crystallization and become solid; On the inwall of crystalline solid attached to condenser, like this, the solid phase composition is separated; Also have the part d-Bomeol composition of lacking to get in the B-grade condensation bucket, in the B-grade condensation bucket, also have a small amount of natural borneol to meet on the bung of cold post crystallization attached to the B-grade condensation bucket with camphor oil and water; In the remaining oil and water store secondary condensation drum staving, utilize the proportion principle heavier than oil of water, oil is on top; Water is in the bottom; Under the pressure in mixed vapour constantly gets into the B-grade condensation bucket, water flows out through outlet pipe from the bottom, and camphor oil still is stored in the B-grade condensation bucket staving.After distillation finishes, open flowline, camphor oil is collected.And then open the lid of B-grade condensation bucket bung and condenser; Solid collector is placed on the winding pipe exit place that connects condenser and B-grade condensation bucket; To scrape attached to the natural borneol of the solid on the condenser inwall with scoop, the natural borneol of solid is in bend pipe slips into solid collector.Therefore the equipment of the utility model has and can extract simultaneously and the effective ingredient of separating solid phase and liquid phase, and can also be with the You Heshui in the liquid phase is separated, thus the collecting amount of minimizing liquid phase.The 2nd, because the steam that steam lead is sent into directly gets in the alembic, raw material is directly distilled, need not add water and distill, so its heat energy utilization rate is high.The 3rd, owing to adopt the last uncovered turnover of raw material basket from alembic, the space in the alembic can be filled up basically, and the raw material that holds distillation is many, makes distillation equipment to be fully used.
The utility model also has following feature and advantage:
Bottom in the tank body of described alembic also is provided with porous sieve plate, is provided with the porous sieve plate support under the porous hole sizer plate.Bottom in alembic is provided with the band porous sieve plate, mainly is the outlet of steam lead is not covered by the raw material of raw material basket, gets into unimpeded in the alembic to ensure steam.
The described hermetically-sealed construction that is easy to open loam cake; Be meant that on uncovered edge on uncovered edge and the condenser bodies on the alembic tank body and B-grade condensation bucket staving uncovered edge is respectively arranged with a circle groove, inject water in the groove or inject oil or insert and the thermoelasticity packing ring.Groove has been arranged, in groove, added water or oil or insert heat-resisting elastic washer, the limit mouth of the lid of alembic cover, condenser, B-grade condensation bucket bung is put in groove.This hermetically-sealed construction that is easy to open loam cake had both guaranteed the sealing in alembic, condenser, the B-grade condensation bucket, can when need of work, can easily loam cake be opened again.
Be provided with passage or ventilation space with the bottom on the perisporium of described raw material basket, also be provided with suspension ring and lifting rope.Be provided with passage or the ventilation space mainly be to make steam can get into raw material inside, raw material is carried out boiling fully, the effective ingredient in the raw material is fully distilled; Suspension ring and lifting rope are set, and mainly are to make the boat car easily the raw material basket sling to insert in the alembic or in alembic to take out.
The outer wall of described mixed vapour conduit is provided with suspension hook.Suspension hook has been arranged, conveniently the cover of alembic and the lid of condenser have been opened with driving.
Description of drawings:
Fig. 1 is the extraction device structure and the annexation sketch map of the natural d-Bomeol of the utility model;
Fig. 2 is the raw material basket structural representation in the utility model extraction equipment;
Fig. 3 is the utility model embodiment sketch map.
Shown in the figure: 1, alembic, 11, tank body, 12, cover, 13, porous sieve plate, 14, sewage draining exit, 15, warming layer; 2, steam lead, 3 mixed vapour conduits, 31, suspension hook, 4, condenser, 41, main body, 42, lid; 43 bend pipes, 44, coolant outlet, 45, cooling water inlet, 46, the circulating cooling liquid jacket layer, 5, the B-grade condensation bucket, 51, staving; 52 bungs, 53, escape pipe, 54, outlet pipe, 55, flowline, 56, the cooling fluid cylinder; 6, groove, 7, the raw material basket, 71, lifting rope, 72, suspension ring, 73, passage.
The specific embodiment:
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described further:
Accompanying drawing 1 and accompanying drawing 3 have clearly illustrated the composition structure and the annexation of the utility model.The natural d-Bomeol of the utility model extracts equipment, comprises alembic 1, steam lead 2, mixed vapour conduit 3, condenser 4; Sewage draining exit 14 is arranged at alembic 1 bottom; Alembic 1 is made up of tank body 11 and cover 12; Tank body 11 and cover 12 locate to be provided with the hermetically-sealed construction that can be easy to open loam cake with one voice, tank body 11 outsides of alembic 1 are provided with warming layer 15, on the cover 12 of alembic 1 observation window are installed also; Steam lead 2 one ends are connected with alembic 1 bottom, and communicate with alembic 1 inside; Condenser 4 comprises main body 41 and lid 42; Main body 41 and lid 42 locate to be provided with the hermetically-sealed construction that can be easy to open loam cake with one voice; Also be provided with observation window on the lid 42 of condenser 4; The main body 41 of condenser 4 is outside equipped with cooling water jacket layer 46, and is provided with coolant outlet 44 and cooling water inlet 45; One end of mixed vapour conduit 3 is communicated with alembic cover 12, and the other end is communicated with the lid 42 of condenser; Also be provided with B-grade condensation bucket 5; B-grade condensation bucket 5 is made up of staving 51 and bung 52; B-grade condensation bucket staving 51 and bung 52 locate to be provided with the hermetically-sealed construction that can be easy to open loam cake with one voice; Being provided with and escape pipe 53 (escape pipe 53 mainly is that condenser 4 and the surplus vapour in the B-grade condensation bucket 5 are discharged, and prevents to run vapour because of the excessive generation of air pressure) of the bung 52 of B-grade condensation bucket is provided with cooling water vat 56 above the bung 52 of B-grade condensation bucket; The bottom of condenser 4 is provided with bend pipe 43 with B-grade condensation bucket staving 52 and is communicated with, and B-grade condensation bucket staving 51 bottoms also are provided with the flowline 55 and outlet pipe 54 after the water-oil separating; Also be provided with raw material basket 7 in addition, see shown in Figure 2ly, raw material basket 7 is from the last uncovered turnover of alembic tank body 11.
For ensureing that steam gets into unimpeded in the alembic, the outlet of steam lead 2 is not covered by the raw material of raw material basket 7, the bottom in the tank body 11 of alembic 1 also is provided with porous sieve plate 13, is provided with the porous sieve plate support under the porous hole sizer plate 13.
For making alembic 1, condenser 4 and B-grade condensation bucket 5 air tight, ensure its sealing property.To alembic tank body 11 and cover 12 locate with one voice with condenser bodies and lid 42 locate with one voice and B-grade condensation bucket staving 51 and bung 52 locate with one voice be provided with the hermetically-sealed construction that can be easy to open loam cake respectively, this structure is a water seal circle syndeton.That is, uncovered edge is respectively arranged with a circle groove 6 on uncovered edge on uncovered edge on the alembic tank body 11 and the condenser bodies 41 and B-grade condensation bucket staving 51.Groove 6 has been arranged, in groove, added water, the limit mouth of the lid 42 of alembic cover 12, condenser, B-grade condensation bucket bung 52 is put in groove.This hydrolock connects the sealing property that ensures them.
For making the quick and convenient of charging or discharging, the utility model adopts boat car lifting method, makes the last uncovered turnover of raw material from alembic 1.Therefore, be provided with raw material basket 7, take out for making the boat car easily raw material basket 7 sling to insert in the alembic or in alembic, raw material basket 7 is provided with suspension ring 71 and lifting rope 72.Simultaneously, in alembic, carry out boiling fully, let steam get into the inside of stock yard smoothly, the effective ingredient in the raw material is fully distilled in order to ensure raw material; Be provided with passage 73 or ventilation space with the bottom on the perisporium of raw material basket 7.
Because of charging and the discharging and the back collection of distillation end of the utility model, all be that the lid 42 that need open alembic cover 12 and condenser carries out to the natural d-Bomeol of solid in the condenser.For convenient the cover 12 of alembic and the lid 42 of condenser are opened, the utility model adopts the driving lifting method, and therefore, the outer wall of mixed vapour conduit 3 is provided with suspension hook 31.
The extraction equipment of the natural d-Bomeol of the utility model demonstrates fully following advantage in actual moving process: in the raw material charging feedstock basket 7, adopt driving lifting raw material basket 7; Make the last uncovered turnover of raw material basket 7 from alembic tank body 11; Because raw material is up to pack into from the alembic bottom, the inner space of alembic 1 can be filled up basically, like this; The raw material that alembic 1 holds distillation is many, makes distillation equipment can obtain filling utilization.After the charging, begin distillation, the steam that steam lead 2 is sent into directly gets in the alembic 1, and raw material is directly distilled, and need not add water and distill, so its heat energy utilization rate is high.In still-process, the mixed vapour that produces in the alembic 1 gets in the condenser 4, at this moment; Most natural d-Bomeol is met cold crystallization and is become solid in condenser 4, on the inwall of crystalline solid attached to condenser 4, therefore; Separated the extracting of solid phase composition of natural d-Bomeol also has the part d-Bomeol composition of lacking to get in the B-grade condensation bucket 5, in B-grade condensation bucket 5 with camphor oil and water; There is a small amount of natural borneol to meet on the bung 52 of cold post crystallization attached to the B-grade condensation bucket again, in the remaining oil and water store secondary condensation drum staving 51, utilizes the proportion principle heavier of water than oil; Oil is on top, and water is in the bottom, under the pressure in mixed vapour constantly gets into B-grade condensation bucket 5; Water flows out through outlet pipe 54 from the bottom of B-grade condensation bucket, and camphor oil still is stored in the B-grade condensation bucket staving 51.After distillation finishes, open flowline 55, camphor oil is collected.And then open the lid 42 of B-grade condensation bucket bung 52 and condenser; To scrape attached to the natural borneol of solid on condenser 4 inwalls with scoop; The natural borneol of solid glides along bend pipe 43, and collect in bend pipe 43 exits in the B-grade condensation bucket 5 just natural d-Bomeol of solid.Therefore the equipment of the utility model has and can extract simultaneously and the effective ingredient of separating solid phase and liquid phase, and can also be with the You Heshui in the liquid phase is separated, thus the collecting amount of minimizing liquid phase.Because this equipment when charge, can fill up compacting, utilization rate of equipment and installations improves greatly; Owing to adopt steam directly raw material to be distilled, the heat energy utilization rate is high again, and the mode that in addition adopts multi-stage separation to extract makes natural d-Bomeol recovery rate up to 0.9-1.2%, near breadboard data.It is low that the extraction equipment of the utility model also has cost of manufacture, is easy to install, easy to operate, can also observe the crystalline condition of natural d-Bomeol in interior distillation situation of alembic and the condenser.
Claims (5)
1. a natural d-Bomeol extracts equipment; Comprise alembic (1), steam lead (2), mixed vapour conduit (3), condenser (4); Sewage draining exit (14) is arranged at alembic (1) bottom; It is characterized in that: described alembic (1) is made up of tank body (11) and cover (12), said tank body (11) and cover (12) locate to be provided with the hermetically-sealed construction that can be easy to open loam cake with one voice, described steam lead (2) one ends are connected bottom alembic (1); And communicate with alembic (1) inside; Described condenser (4) comprises main body (41) and lid (42), said main body (41) and lid (42) locate to be provided with the hermetically-sealed construction that can be easy to open loam cake with one voice, an end of described mixed vapour conduit (3) is communicated with the cover (12) of said alembic (1); The other end is communicated with the lid (42) of said condenser (4); Also be provided with B-grade condensation bucket (5), described B-grade condensation bucket (5) is made up of staving (51) and bung (52), the staving of said B-grade condensation bucket (51) and bung (52) locate to be provided with the hermetically-sealed construction that can be easy to open loam cake with one voice; The bung of said B-grade condensation bucket (52) is provided with escape pipe (53); Be provided with cooling fluid cylinder (56) above the bung of said B-grade condensation bucket (52), the bottom of said condenser (4) is provided with bend pipe (43) with said B-grade condensation bucket staving (52) and is communicated with, and said B-grade condensation bucket staving (51) bottom also is provided with flowline (55) and the outlet pipe (54) after the water-oil separating; Also be provided with raw material basket (7) in addition, described raw material basket (7) is from the last uncovered turnover of described alembic tank body (11).
2. natural d-Bomeol as claimed in claim 1 extracts equipment; It is characterized in that: the described hermetically-sealed construction that is easy to open loam cake; Be meant at the last uncovered edge of the main body (41) of the last uncovered edge of alembic (1) tank body (11) and said condenser (4) and the last uncovered edge of said B-grade condensation bucket (5) staving (51) to be respectively arranged with a circle groove (6) water filling or oiling or insert heat-resisting elastic washer in the groove.
3. according to claim 1 or claim 2 natural d-Bomeol extracts equipment, and it is characterized in that: the bottom in the tank body of said alembic (1) also is provided with porous sieve plate (13).
4. according to claim 1 or claim 2 natural d-Bomeol extracts equipment, it is characterized in that: be provided with passage (71) or ventilation space with the bottom on the perisporium of described raw material basket (7), and also be provided with suspension ring (72) and lifting rope (73).
5. according to claim 1 or claim 2 natural d-Bomeol extracts equipment, and it is characterized in that: the outer wall of described mixed vapour conduit (3) is provided with suspension hook (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205560675U CN202506159U (en) | 2011-12-24 | 2011-12-24 | Equipment for extracting natural borneolum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205560675U CN202506159U (en) | 2011-12-24 | 2011-12-24 | Equipment for extracting natural borneolum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202506159U true CN202506159U (en) | 2012-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205560675U Withdrawn - After Issue CN202506159U (en) | 2011-12-24 | 2011-12-24 | Equipment for extracting natural borneolum |
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| CN (1) | CN202506159U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102512839A (en) * | 2011-12-24 | 2012-06-27 | 吉安市林业科学研究所 | Natural d-borneol extraction equipment |
| CN103755527A (en) * | 2014-02-01 | 2014-04-30 | 闻永举 | Method for preparing high-purity borneol from lauraceae extract or blumea balsamifera extract |
| CN104388174A (en) * | 2013-11-16 | 2015-03-04 | 柳州市三江县宝源生物质能源有限责任公司 | Sawdust distillation column sealing method |
| CN104388175A (en) * | 2013-11-16 | 2015-03-04 | 柳州市三江县宝源生物质能源有限责任公司 | Sawdust distillation column |
| CN106623216A (en) * | 2016-11-22 | 2017-05-10 | 广东新球清洗科技股份有限公司 | Energy-saving recovery method of hydrocarbon cleaning agent and hydrocarbon cleaning equipment |
| CN113149815A (en) * | 2021-05-13 | 2021-07-23 | 安徽右旋龙脑生物科技有限公司 | Extraction system and extraction method of high-purity borneol |
-
2011
- 2011-12-24 CN CN2011205560675U patent/CN202506159U/en not_active Withdrawn - After Issue
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102512839A (en) * | 2011-12-24 | 2012-06-27 | 吉安市林业科学研究所 | Natural d-borneol extraction equipment |
| CN102512839B (en) * | 2011-12-24 | 2015-06-17 | 吉安市林业科学研究所 | Natural d-borneol extraction equipment |
| CN104388174A (en) * | 2013-11-16 | 2015-03-04 | 柳州市三江县宝源生物质能源有限责任公司 | Sawdust distillation column sealing method |
| CN104388175A (en) * | 2013-11-16 | 2015-03-04 | 柳州市三江县宝源生物质能源有限责任公司 | Sawdust distillation column |
| CN104388175B (en) * | 2013-11-16 | 2017-11-14 | 柳州市三江县宝源生物质能源有限责任公司 | Wooden chaff destilling tower |
| CN103755527A (en) * | 2014-02-01 | 2014-04-30 | 闻永举 | Method for preparing high-purity borneol from lauraceae extract or blumea balsamifera extract |
| WO2015113518A1 (en) * | 2014-02-01 | 2015-08-06 | 闻永举 | Method of preparing high-purity borneol from lauraceae extract or blumea balsamifera extract |
| CN106623216A (en) * | 2016-11-22 | 2017-05-10 | 广东新球清洗科技股份有限公司 | Energy-saving recovery method of hydrocarbon cleaning agent and hydrocarbon cleaning equipment |
| CN113149815A (en) * | 2021-05-13 | 2021-07-23 | 安徽右旋龙脑生物科技有限公司 | Extraction system and extraction method of high-purity borneol |
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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: ZHOU JUN Free format text: FORMER OWNER: JI AN FOREST-SCIENCE INSTITUTE Effective date: 20140904 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140904 Address after: 343011 Ji'an City, Jiangxi province Qingyuan District Qingyuan mountain of Jiangxi forestry natural borneol Co. Ltd. Patentee after: Zhou Jun Address before: Study on Ji'an forestry science 343011 Ji'an city of Jiangxi province Qingyuan area Patentee before: Ji'an of Institute Forestry Science |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20121031 Effective date of abandoning: 20150617 |
|
| RGAV | Abandon patent right to avoid regrant |