CN101549511A - Preparing method for non-formaldehyde intensified wooden floor - Google Patents
Preparing method for non-formaldehyde intensified wooden floor Download PDFInfo
- Publication number
- CN101549511A CN101549511A CNA200910143363XA CN200910143363A CN101549511A CN 101549511 A CN101549511 A CN 101549511A CN A200910143363X A CNA200910143363X A CN A200910143363XA CN 200910143363 A CN200910143363 A CN 200910143363A CN 101549511 A CN101549511 A CN 101549511A
- Authority
- CN
- China
- Prior art keywords
- formaldehyde
- base material
- methanal
- burst size
- preparation
- 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
Links
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title claims abstract description 154
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 235000019256 formaldehyde Nutrition 0.000 claims description 52
- 239000000835 fiber Substances 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 12
- 238000002360 preparation method Methods 0.000 claims description 12
- 238000001035 drying Methods 0.000 claims description 10
- 230000036541 health Effects 0.000 claims description 9
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 claims description 7
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000002023 wood Substances 0.000 claims description 3
- 102000004190 Enzymes Human genes 0.000 claims description 2
- 108090000790 Enzymes Proteins 0.000 claims description 2
- 108010073771 Soybean Proteins Proteins 0.000 claims description 2
- 230000000740 bleeding effect Effects 0.000 claims description 2
- 239000000975 dye Substances 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 230000001590 oxidative effect Effects 0.000 claims description 2
- 239000003973 paint Substances 0.000 claims description 2
- 150000008442 polyphenolic compounds Chemical class 0.000 claims description 2
- 235000013824 polyphenols Nutrition 0.000 claims description 2
- 235000019710 soybean protein Nutrition 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 5
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 2
- 229920002521 macromolecule Polymers 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000004064 dysfunction Effects 0.000 description 2
- 210000001508 eye Anatomy 0.000 description 2
- 230000000638 stimulation Effects 0.000 description 2
- 206010020751 Hypersensitivity Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000013566 allergen Substances 0.000 description 1
- 208000026935 allergic disease Diseases 0.000 description 1
- 230000007815 allergy Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000357 carcinogen Toxicity 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
- 210000003169 central nervous system Anatomy 0.000 description 1
- 231100000481 chemical toxicant Toxicity 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000004925 denaturation Methods 0.000 description 1
- 230000036425 denaturation Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
- 230000008821 health effect Effects 0.000 description 1
- 230000001900 immune effect Effects 0.000 description 1
- 230000000622 irritating effect Effects 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 210000003928 nasal cavity Anatomy 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 235000018102 proteins Nutrition 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 230000009325 pulmonary function Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 230000008786 sensory perception of smell Effects 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
Landscapes
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The invention relates to preparing technology field of upholstery intensified wooden floor, especially a preparing method for intensified floor without free formaldehyde released. The preparing method includes the steps of sorting, preparing formaldehyde clearing liquor and processing basic materials. Compared to the non-processed intensified wooden floor, various physical index of the intensified wooden floor processed with the method in this invention does not fall down by employing GB/T11718-1999 detecting the various physical index of the intensified wooden floor, which principally because formaldehyde clearing liquor reacting with formaldehyde not only removes formaldehyde, but also intensifies the bonding strength and resistance to water for formaldehyde clearing liquor is principally macromolecule substance.
Description
Technical field
The present invention relates to the manufacture technology field of indoor decoration laminated flooring, especially a kind of preparation method of not having the consolidated floor of free formaldehyde release, and the preparation method that is used for the formaldehyde removing liquid of this consolidated floor base material treatment.
Background technology
At present the adhesive that uses of composite floor board is still based on Lauxite, in the floor the residual formaldehyde that has neither part nor lot in reaction can with gaseous form towards periphery environment discharge gradually.Formaldehyde is a kind of colourless and have the irritative gas of overpowering odor, and its aqueous solution is called formalin, can make protein denaturation, is commonly used for anticorrisive agent in the medical science.When people are in the higher environment of concentration of formaldehyde, uncomfortable symptom, the health that tends to endanger health will take place in eyes, nasal cavity and respiratory tract.In daily life, formaldehyde is a healthy big killer, is the allergen of generally acknowledging, is in second on China's toxic chemical control list.
Consolidated floor has had the history of more than ten years in China, and 2.5 hundred million square metres of consolidated floors were produced in the whole nation in 2008, can be rated as consolidated floor big producing country.Our family and the public place consolidated floor of mating formation does not have other harmful thing at present, is exactly the problem that a free formaldehyde discharges.In the middle of the expansion of consolidated floor technology, China become the development of consolidated floor big export country day by day,,, all be a kind of contribution undoubtedly to various countries consumer's health if can both produce with no aldehyde standard.
China national health authorities find according to actual measurement, if the air concentration of formaldehyde in the people room is greater than 0.08mg/m
3, the airborne concentration of formaldehyde of public area is greater than 0.12mg/m
3, people's eyes or sense of smell just can have been experienced the stimulation of formaldehyde, if the people is in the environment that formaldehyde exceeds standard for a long time, health can be affected and injure.Smelling influenced, the inhereditary material in the damaging cells also of heavy unusual, stimulation, allergy, abnormal pulmonary function, dysfunction of liver, immunologic dysfunction, central nervous system but formaldehyde mainly comprises health effects, is suspect carcinogen.Formaldehyde gas discharges quality: the quality that means the formaldehyde gas that the compoiste wood floor of unit are when 25 ℃ of normal temperature discharges.16 kinds of reinforced composite floorboard formaldehyde gas burst sizes are all at 0.056mg/m after tested
2-0.226mg/m
2Between.
The present invention does not have aldehyde level consolidated floor standard-required burst size of methanal≤0.5 mg/litre (drier method), and this standard has suitable leading and advanced in the world.Entirely the class of panel products is significant to improving us for this, and in protection consumer physical and mental health, protection production line worker's is healthy, protects our life and living space, air quality etc. that good effect is all arranged especially.
Summary of the invention
Purpose of the present invention just is to provide at the weak point that has the consolidated floor manufacturing technology now a kind of preparation method of consolidated floor of formaldehydeless release.
Another object of the present invention provides a kind of processing method of improved consolidated floor, and has proposed to be used to improve the technical scheme of this consolidated floor.
A kind of preparation method of non-formaldehyde intensified wooden floor is characterized in that: the preparation method of non-formaldehyde intensified wooden floor of the present invention is to realize by following step:
A. selection:
1. the selection of base material selects every indexs such as bonding strength, expansion rate of water absorption, MOR, density to meet or be better than the medium density fibre board (MDF) of GB, and thickness is selected by necessary requirement.
2. burst size of methanal is selected the base material of burst size of methanal (drier method)≤1.5mg/L, (perforation extraction)≤9mg/100g as far as possible, and is low more good more.
B. formaldehyde removing liquid preparation: (mass parts 100)
Oxidizing process acidolysis soybean protein 15-20,
Citric acid 3-5,
Tea Polyphenols 1-2,
Bleeding agent 0.2-0.5,
Biology enzyme 0.2-0.5,
The pure water surplus
C. base material treatment:
1. liquid is removed in spray.The formaldehyde removing liquid that is mixed with by the b step evenly is sprayed on the two sides anyway of base material with the high-pressure ion spray, and consumption can be controlled in 8ml/m according to the height of base material burst size of methanal
2-20ml/m
2Between.
2. heat treatment.Sprayed the base material of removing liquid, be placed in 60 ℃-85 ℃ the constant temperature drying kiln and heat-treat, the processing time all reaches requirement with moisture content and burst size of methanal and is as the criterion.
3. detect.Using GB18580-2001 drier method, Japanese JAS, U.S. CARB to carry out burst size of methanal respectively detects, burst size of methanal is respectively the highest 0.5mg/L, minimum 0.1mg/L, on average≤0.4mg/L, this shows that the sheet material burst size of methanal of handling well reaches the no aldehyde level wood-based plate standard of Japanese JAS, can carry out next step operation.
Wherein, the base material of selecting for use reaches the no aldehyde grade standard of Japanese JAS, U.S. CARB regulation after formaldehyde removing liquid of the present invention is handled.
Wherein, the used paint of each operation, wear-resisting low, dyestuff, inserts etc. all must not contain formaldehyde.
The specific embodiment
Embodiment 1.
Selecting thickness is the long 2440mm of 9mm, and the medium density fibre board (MDF) of wide 1220mm, burst size of methanal are the medium density fibre board (MDF) of 1.41mg/L, presses 8ml/m with the high-pressure ion spraying
2Consumption evenly be sprayed at medium density fibre board (MDF) two sides anyway, send drying kiln oven dry then, bake out temperature is selected 60 ℃～75 ℃, the general 0.5h～1.5h of drying time, general 55 ℃～65 ℃ of kiln discharge temperature, pile then, health is more than 15 days.The burst size of methanal that same drier method with GB18580-2001 detects medium density fibre board (MDF) is 0.23mg/L, and detects with California, USA air administrative administration (CARB) climate box method, and burst size of methanal only is 0.02PPM.
Embodiment 2.
Selecting thickness is the long 2440mm of 12mm, and the medium density fibre board (MDF) of wide 1220mm, burst size of methanal are the medium density fibre board (MDF) of 1.82mg/L, presses 12ml/m with the high-pressure ion spraying
2Consumption evenly be sprayed at medium density fibre board (MDF) two sides anyway, send drying kiln oven dry then, bake out temperature is selected 65 ℃～81 ℃, the general 0.5h～1.5h of drying time, general 60 ℃～71 ℃ of kiln discharge temperature, pile then, health is more than 15 days.The burst size of methanal that same drier method with GB18580-2001 detects medium density fibre board (MDF) is 0.21mg/L, and detects with California, USA air administrative administration (CARB) climate box method, and burst size of methanal only is 0.01PPM.
Embodiment 3.
Selecting thickness is the long 2440mm of 15mm, and the medium density fibre board (MDF) of wide 1220mm, burst size of methanal are the medium density fibre board (MDF) of 1.97mg/L, presses 20ml/m with the high-pressure ion spraying
2Consumption evenly be sprayed at medium density fibre board (MDF) two sides anyway, send drying kiln oven dry then, bake out temperature is selected 68 ℃～85 ℃, the general 0.5h～1.5h of drying time, general 65 ℃～73 ℃ of kiln discharge temperature, pile then, health is more than 15 days.The burst size of methanal that same drier method with GB18580-2001 detects medium density fibre board (MDF) is 0.19mg/L, and detects with California, USA air administrative administration (CARB) climate box method, and burst size of methanal only is 0.01PPM.
Consolidated floor base material through above method processing, adopt every physical index of GB/T11718-1999 detection enhancement floor base material, we find and the consolidated floor base material of not handling to compare, every physical index does not reduce than before handling, this mainly is because formaldehyde removing liquid mainly is polymer substance, not only play the purpose of removing formaldehyde with formolite reaction, also play the purpose that increases bonding strength and resistance to water.
Claims (3)
1. the preparation method of a non-formaldehyde intensified wooden floor, it is characterized in that: the preparation method of non-formaldehyde intensified wooden floor of the present invention is to realize by following step:
A, selection:
(1) selection of base material selects bonding strength to meet the medium density fibre board (MDF) of GB, and thickness is selected by necessary requirement.
(2) burst size of methanal is selected the base material of burst size of methanal (drier method)≤1.5mg/L, (perforation extraction)≤9mg/100g, and is low more good more.
B, the preparation of formaldehyde removing liquid: (mass parts 100)
Oxidizing process acidolysis soybean protein 15-20,
Citric acid 3-5,
Tea Polyphenols 1-2,
Bleeding agent 0.2-0.5,
Biology enzyme 0.2-0.5,
The pure water surplus
C, base material treatment:
1. liquid is removed in spray.The formaldehyde removing liquid that is mixed with by the b step evenly is sprayed on the two sides anyway of base material with the high-pressure ion spray, and consumption can be controlled in 8ml/m according to the height of base material burst size of methanal
2-20ml/m
2Between.
2. heat treatment.Sprayed the base material of removing liquid, be placed on constant temperature drying in 60 ℃ of-85 ℃ of drying kilns then, drying time reaches requirement with moisture content and is as the criterion, and pile, health are more than 15 days then.
3. detect.Use the drier method to carry out burst size of methanal and detect, burst size of methanal is the highest 0.5mg/L, minimum 0.1mg/L, on average≤0.4mg/L, this shows the sheet material first of handling well, and the aldehyde burst size reaches the no aldehyde level wood-based plate standard of Japanese JAS, can carry out next step operation.
2. the preparation method on non-formaldehyde intensified floor according to claim 1, the base material that it is characterized in that selecting for use reach the no aldehyde grade standard of Japanese JAS regulation after formaldehyde removing liquid of the present invention is handled.
3. the preparation method on non-formaldehyde intensified floor according to claim 1 is characterized in that the used paint of each operation, wear-resisting low, dyestuff, inserts etc. all must not contain formaldehyde.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910143363XA CN101549511B (en) | 2009-05-22 | 2009-05-22 | Preparing method for non-formaldehyde intensified wooden floor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910143363XA CN101549511B (en) | 2009-05-22 | 2009-05-22 | Preparing method for non-formaldehyde intensified wooden floor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101549511A true CN101549511A (en) | 2009-10-07 |
| CN101549511B CN101549511B (en) | 2011-01-19 |
Family
ID=41154120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910143363XA Expired - Fee Related CN101549511B (en) | 2009-05-22 | 2009-05-22 | Preparing method for non-formaldehyde intensified wooden floor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101549511B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102744757A (en) * | 2012-07-05 | 2012-10-24 | 陆勇军 | Method for producing formaldehyde-free floor |
| CN103306445A (en) * | 2013-06-23 | 2013-09-18 | 封海云 | Methanal-free decoration and fitment method |
| CN103341250A (en) * | 2013-06-20 | 2013-10-09 | 赵杰 | Method for treating indoor decoration formaldehyde pollution |
| CN103978536A (en) * | 2014-05-18 | 2014-08-13 | 张永刚 | Formaldehyde-free level laminated floor production technology |
| CN105563600A (en) * | 2015-12-18 | 2016-05-11 | 文安县天华密度板有限公司 | Production method for decreasing formaldehyde of density board |
| CN106883799A (en) * | 2015-12-16 | 2017-06-23 | 湖南福湘木业有限责任公司 | One kind is without aldehyde level wood-based plate adhesive and its production technology |
| CN106914961A (en) * | 2017-03-17 | 2017-07-04 | 济南舜景医药科技有限公司 | A kind of method that artificial board removes formaldehyde |
| CN112025891A (en) * | 2020-08-29 | 2020-12-04 | 成都市美康三杉木业有限公司 | Aldehyde-reducing and VOC-removing method for graphene heating artificial board |
| CN114311175A (en) * | 2021-12-30 | 2022-04-12 | 龙岩市锐美家装饰材料有限公司 | Preparation method of aldehyde-free fire-resistant decorative panel |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1404891A (en) * | 2002-11-04 | 2003-03-26 | 江苏省环境科学研究院 | Formol eliminating agent for artificial plate and preparation method |
| CN101195037A (en) * | 2007-12-10 | 2008-06-11 | 诸城市良丰化学有限公司 | Biological aldehydrase preparation prescription and its preparation technique |
| CN101362049A (en) * | 2008-09-27 | 2009-02-11 | 苏继章 | Preparation method of natural formaldehyde remover |
| CN101418636B (en) * | 2008-11-17 | 2011-12-14 | 江苏宏耐木业有限公司 | Intensified wooden floor capable of reaching EO grade standard |
-
2009
- 2009-05-22 CN CN200910143363XA patent/CN101549511B/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102744757A (en) * | 2012-07-05 | 2012-10-24 | 陆勇军 | Method for producing formaldehyde-free floor |
| CN102744757B (en) * | 2012-07-05 | 2014-08-06 | 陆勇军 | Method for producing formaldehyde-free floor |
| CN103341250A (en) * | 2013-06-20 | 2013-10-09 | 赵杰 | Method for treating indoor decoration formaldehyde pollution |
| CN103306445A (en) * | 2013-06-23 | 2013-09-18 | 封海云 | Methanal-free decoration and fitment method |
| CN103978536A (en) * | 2014-05-18 | 2014-08-13 | 张永刚 | Formaldehyde-free level laminated floor production technology |
| CN106883799A (en) * | 2015-12-16 | 2017-06-23 | 湖南福湘木业有限责任公司 | One kind is without aldehyde level wood-based plate adhesive and its production technology |
| CN105563600A (en) * | 2015-12-18 | 2016-05-11 | 文安县天华密度板有限公司 | Production method for decreasing formaldehyde of density board |
| CN106914961A (en) * | 2017-03-17 | 2017-07-04 | 济南舜景医药科技有限公司 | A kind of method that artificial board removes formaldehyde |
| WO2018165782A1 (en) * | 2017-03-17 | 2018-09-20 | 济南舜景医药科技有限公司 | Method for removing formaldehyde from artificial boards |
| CN106914961B (en) * | 2017-03-17 | 2019-01-15 | 南京海象地板有限公司 | A kind of method that artificial board removes formaldehyde |
| CN112025891A (en) * | 2020-08-29 | 2020-12-04 | 成都市美康三杉木业有限公司 | Aldehyde-reducing and VOC-removing method for graphene heating artificial board |
| CN114311175A (en) * | 2021-12-30 | 2022-04-12 | 龙岩市锐美家装饰材料有限公司 | Preparation method of aldehyde-free fire-resistant decorative panel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101549511B (en) | 2011-01-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101549511B (en) | Preparing method for non-formaldehyde intensified wooden floor | |
| CN101549198B (en) | Formaldehyde scavenger and its application in producing timber flooring | |
| CN105269642B (en) | Fire-retardant stalk lumber core and its manufacture method | |
| CN103773281A (en) | Formaldehyde-free water-resistant adhesive for plywood and preparation method thereof | |
| CN105666612B (en) | A kind of fire-retardant heat modification timber and preparation method thereof | |
| CN103978536A (en) | Formaldehyde-free level laminated floor production technology | |
| CN105690517A (en) | Wood modification chemical liquid and method for treating wood through wood modification chemical liquid | |
| CN102172945B (en) | Method for manufacturing impregnated paper laminated wood floor with near zero release of formaldehyde | |
| CN110218455A (en) | A kind of low compression set rubber roller silicon rubber and preparation method thereof | |
| US10407600B2 (en) | Yeast-based adhesive extract, composition and method | |
| CN106541482A (en) | A kind of preparation method of formaldehydeless fire-resistant-chipboard | |
| CN106514820A (en) | Environment-friendly composite floor capable of absorbing formaldehyde | |
| KR101171942B1 (en) | Functional feed additive including ginseng by-product as active component | |
| CN108262833A (en) | A kind of fire-retardant Sunflower Pole lumber core of no aldehyde and its manufacturing method | |
| CN104353432B (en) | A kind of super absorbent resin aliphatic radical hygroscopic agent and preparation method thereof | |
| CN105771923A (en) | Melamine sponge /alginic acid composite type adsorbing material and preparation method thereof | |
| CN105804355A (en) | Self-cleaning negative ion health-maintaining ecological plate and preparation method thereof | |
| CN101879742B (en) | Process method of reducing release amount of formaldehyde in produced laminated flooring | |
| CN106978731A (en) | A kind of environmentally friendly aramid fiber dipping solution and its preparation technology | |
| CN102862201A (en) | Fast growing wood flame retardant enhanced solid wood section material and its manufacturing method | |
| CN102152354B (en) | Modified processing method for fast-growing cotton woods | |
| CN101205348B (en) | Urea-formaldehyde resin additive, urea-formaldehyde resin containing the same and preparation method thereof | |
| CN102320805A (en) | Acoustic panel and working method thereof with fire prevention and heat insulation function | |
| CN106147030A (en) | A kind of preparation method of weather-proof anti-oxidant basalt fibre RPP material | |
| CN108638286A (en) | A kind of cold moudling production plank and preparation method 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 | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HUBEI AOSEN WOOD INDUSTRY CO., LTD. Free format text: FORMER OWNER: ZHU JUNSHAN Effective date: 20110922 Free format text: FORMER OWNER: ZHU YONG |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20110922 Address after: 437000 Xianning province Hubei City Haman District Phoenix Industrial Park Patentee after: Hubei Aosen wood industry Limited by Share Ltd Address before: 437000 Xianning province Hubei City Haman District Phoenix Industrial Park Co-patentee before: Zhu Yong Patentee before: Zhu Junshan |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110119 Termination date: 20180522 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |