CN101565558B - Environment-friendly alkali-resistant disperse red dye mixture - Google Patents
Environment-friendly alkali-resistant disperse red dye mixture Download PDFInfo
- Publication number
- CN101565558B CN101565558B CN200910027424A CN200910027424A CN101565558B CN 101565558 B CN101565558 B CN 101565558B CN 200910027424 A CN200910027424 A CN 200910027424A CN 200910027424 A CN200910027424 A CN 200910027424A CN 101565558 B CN101565558 B CN 101565558B
- Authority
- CN
- China
- Prior art keywords
- dyestuff
- dye
- environment
- content
- dye mixture
- 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.)
- Ceased
Links
- 0 Cc1cc(N(*)*)ccc1N=N*=C Chemical compound Cc1cc(N(*)*)ccc1N=N*=C 0.000 description 1
Landscapes
- Coloring (AREA)
Abstract
The invention discloses an environment-friendly alkali-resistant disperse red dye mixture, which is formed by mixing two parts of dyes and an auxiliary agent. The dye part consists of the following three dyes by mass percentage: the first is a dye which accords with a general chemical formula (I), wherein the content of the dye is 2.5 to 95 percent of the total weight of the dye part, and R1 is hydrogen, methyl or methoxyl in the formula (I); the second is a dye which accords with a general chemical formula (II), wherein the content of the dye is 2.5 to 95 percent of the total weight of the dye part, and R2 is the hydrogen or the methyl in the formula (II); and the third is a dye which accords with a general chemical formula (III), wherein the content of the dye is 2.5 to 95 percent of the total weight of the dye part, and R3 is the hydrogen or the methyl in the formula (III). A group of red dyes selected by the invention have consistent dyeing rate synchronism and alkali resistance, and have high accuracy rate of chromatic light when the dyeing is performed in a cylinder so as to solve the problems of redyeing and re-repair.
Description
Technical field
The present invention relates to a kind of environment-friendly alkali-resistant disperse red dye mixture, particularly a kind of middle high temperature modification alkali resistance disperse red dye mixture that is applicable to that polyster fibre or lining use in middle deep colour dyeing belongs to technical field of dye.
Background technology
In order to obtain textiles attractive in appearance; Use dyestuff in the textiles processing industry inevitably; Dispersed dye are the one type of nonionic dyes that is dispersion state the starting stage in dyeing course; Its particle fineness requires about 1 μ m, by means of the existence of dispersion agent, can be evenly dispersed in the water very much.This dyestuff is mainly used in the dyeing and the stamp of terylene and BLENDED FABRIC thereof, and has become synthon with most important dye class in the dyestuff.Along with the development of terylene and BLENDED FABRIC thereof, the demand of dispersed dye also can further increase from now on.Though China light and textile industries particularly textiles processing industry are positioned at world lead level; But still there is the problem that energy consumption is big, pollution is heavy; Domestic textiles processing industry implementation energy-saving and emission-reduction and optimization production technology are imperative, therefore must carry out the innovation development of environment-friendly alkali-resistant type dye.
The employed middle high temperature modification dispersed dye of dark basic dyeing need have consistent synchronism and alkali resistance during polyster fibre or lining carried out, and just can reach the accuracy rate of dyeing coloured light in the machine cylinder, reduced the problem of repairing again that redyes.At present; C.I. Red 167 is the main orchil in middle dark color matching, and the suitable pH value of C.I. Red 167 dyeing is 4~5, because it is not alkaline-resisting; When underway dark polyster fibre and dyeing fabric; Unstable when the pH value, cause color development coloured light undesired easily, cause occurring the problem of additive color.C.I. also there is the problem of level-dyeing property difference when dying light color in Red 167.
Summary of the invention
The object of the invention provides a kind of environment-friendly alkali-resistant disperse red dye mixture; Purpose is to solve existing polyster fibre and lining when middle dark basic dyeing; Because of C.I. Red 167 color development under the meta-alkalescence condition undesired; Cause product dyed thereby coloured light substantial deviation in the machine cylinder, thus the problem that needs additive color to redye.
For achieving the above object, the technical scheme that the present invention adopts is: a kind of environment-friendly alkali-resistant disperse red dye mixture, to form by dyestuff and the mixing of auxiliary agent two portions, and said dyestuff part is made up of three kinds of dyestuffs of following quality percentage composition:
One of which is for meeting the dyestuff of chemical general formula (I), and content is 2.5%~95% of dyestuff part gross weight,
R in the formula
1Be hydrogen, methyl or methoxy;
It is two for meeting the dyestuff of chemical general formula (II), and content is 2.5%~95% of dyestuff part gross weight,
In the formula, R
2Be hydrogen or methyl;
It is three for meeting the dyestuff of chemical general formula (III), and content is 2.5%~95% of dyestuff part gross weight,
In the formula, R
3Be hydrogen or methyl.
Related content in the technique scheme is explained as follows:
1, in the such scheme, meets the dyestuff of chemical general formula (I), work as R
1During for hydrogen, represent C.I. Red-1 200 45 dye structures; And work as R
1Be methoxyl group interval scale C.I. Red-1 200 79 dye structures.
2, in the such scheme, the said dyestuff that meets chemical general formula (II):
With the said dyestuff that meets chemical general formula (III)
According to the C.I. Red-1 200 52 that can obtain selling on the market after about 55: 45 mass ratio mixing.
3, in the such scheme, the said dyestuff that meets chemical general formula (II):
With the said dyestuff that meets chemical general formula (III)
According to the C.I. Red-1 200 53 that can obtain selling on the market after about 55: 45 mass ratio mixing.
4, in the such scheme, said dyestuff part is made up of three kinds of dyestuffs of following quality percentage composition:
The dyestuff that meets chemical general formula (I), content are 5%~60% of dyestuff part gross weight;
The dyestuff that meets chemical general formula (II), content are 5%~60% of dyestuff part gross weight;
The dyestuff that meets chemical general formula (III), content are 5%~60% of dyestuff part gross weight.
5, in the such scheme, described " dyestuff part " is meant the material of pure dye in the environment-friendly alkali-resistant disperse red dye mixture of the present invention, do not comprise " auxiliary agent part ".Said dyestuff and auxiliary agent two portions mix according to 1: 1~2 mass ratio;
Said auxiliary agent partly adopts one of following ten thousand cases:
A, sodium lignosulfonate or dispersing agent MF;
B, sodium lignosulfonate and dispersing agent MF are according to 35~40: 60~65 mass ratio mixes;
C, sodium lignosulfonate, dispersing agent MF and dispersing agent NNO are according to 2.9~3.1: 3.8~4.2: 2.9~3.1 mass ratio mixes.Sodium lignosulfonate, dispersing agent MF (being called Dispersant MF again) and the effect of dispersing agent NNO (dispersion agent NNO) in dye mixture are: when the low temperature sand milling, dye crystal is dispersed in the water, makes aqueous dye solutions become a kind of level dyeing body; In the high temperature dyeing application process, stop the dyestuff cohesion.But sodium lignosulfonate is when low temperature sand milling and high temperature dyeing, and effect is all good, but price is more expensive, and dispersing agent MF is good low temperature sand milling timeliness fruit, and effect is relatively poor during high temperature dyeing; The effect of dispersing agent NNO is between sodium lignosulfonate and dispersing agent MF.Dispersing agent MF and dispersing agent NNO can be contained chemical industry ltd, contact address: Tianhe District garden, Guangzhou Xing Lu available from the Guangzhou wound.
6, well-known, the synthetic good former dyestuff of dispersed dye is processed in the commodity dispersed dye process, need to add a large amount of auxiliary agents, for example dispersion agent, dust-proofing agent etc.Obviously, on mass ratio basis between each dyestuff of the disperse red dye mixture of the invention described above, add the product that the auxiliary agent dilution obtains and remain within protection of the present invention, because mass ratio does not have change between each dyestuff.For even dyeing, guarantee dyeing quality, must add an amount of dispersion agent in the dye bath, dye granule is dispersed in the dye bath, stablize dye bath, suppress dyestuff generation crystal conversion and crystal growing phenomenon.Dispersion agent specifically can be selected sodium lignosulfonate.
7, the content of dyestuff described in the present invention program is meant the content of pure dye.And the dry product weight of the former dyestuff that is mixed with some impurity that is synthesized commonly used is that standard is calculated content in general the production, and this content numeral can be similar to aborning than the digital slightly height of pure dye content and replace pure dye content.The field that has is share the quality of the standard model (staining power for example 100%, 200% etc.) of certain trade mark commodity dispersed dye that contains a large amount of auxiliary agents and is calculated content, and this content also can be scaled pure dye content.
8, in the such scheme, C.I. is the acronym of two English words of Color Index, and the Chinese meaning is a Colour Index, is " dictionary " of a collection commercialization dyestuff, by Britain (the Society ofDyers and Colorists of tame association that dyes; SDC) with (the AmericanAssociation of Textile Chemists and Colorists of AATCC; AATCC) compile in collaboration with.Comprise trade(brand)name Code Name, compound method, application and method, color fastness of all kinds of dyestuffs, pigment etc.Be to be engaged in dyestuff, pigment, color worker and colourists reference book commonly used.
Because the technique scheme utilization, the present invention compared with prior art has advantage and effect:
1, the present invention adopts one group of good orchil of alkali resistance to mix assembly, and the disperse red dye mixture of acquisition has excellent alkali resistance.
2, one group of orchil selecting for use of the present invention has consistent dyeing rate synchronism and alkali resistance, and the accuracy rate of coloured light is high during dyeing in the machine cylinder, thereby has reduced the problem of repairing again that redyes.
C.I. the alkali resistance test result such as the following table of Red 167 and disperse red dye mixture of the present invention:
The dyestuff title | pH5 | pH6 | pH7 | pH8 | pH9 | pH10 |
C.I. Red 167 | Yellow ruddiness | Yellow ruddiness | Blue ruddiness | Blue ruddiness | Blue ruddiness | Blue ruddiness |
The present invention | Yellow ruddiness | Yellow ruddiness | Yellow ruddiness | Yellow ruddiness | Yellow ruddiness | Yellow ruddiness |
Embodiment
Below in conjunction with embodiment the present invention is further described:
Embodiment one:
1, the composition of dyestuff:
A kind of environment-friendly alkali-resistant disperse red dye mixture is made up of dyestuff and the mixing of auxiliary agent two portions, and said dyestuff part is made up of the C.I. Red-1 200 79 of 17 parts (mass fractions) and the C.I. Red-1 200 52 of 83 parts (mass fractions).Add sodium lignosulfonate according to dyestuff and 1: 1 ratio of dispersion agent then.
2, dye mixture preparation
By prescription each dyestuff content being scaled former dyestuff wet cake weight gets the raw materials ready.With each former dyestuff wet cake and diffusant sodium lignosulfonate mixing and water adding sand milling, obtain finished product through spraying drying.
Embodiment two: a kind of environment-friendly alkali-resistant disperse red dye mixture
1, the composition of dyestuff:
A kind of environment-friendly alkali-resistant disperse red dye mixture is made up of dyestuff and the mixing of auxiliary agent two portions, and said dyestuff part is made up of the C.I. Red-1 200 79 of 35 parts (mass fractions) and the C.I. Red-1 200 53 of 65 parts (mass fractions).Add sodium lignosulfonate according to dyestuff part and 1: 1.1 mass ratio of auxiliary agent part then.
2, the preparation method is with embodiment one
Embodiment three: a kind of environment-friendly alkali-resistant disperse red dye mixture
1, the composition of dyestuff:
A kind of environment-friendly alkali-resistant disperse red dye mixture is made up of dyestuff and the mixing of auxiliary agent two portions, and said dyestuff part is made up of the C.I. Red-1 200 79 of 35 parts (mass fractions) and the C.I. Red-1 200 52 of 65 parts (mass fractions).Add dispersing agent MF according to dyestuff part and 1: 1.3 mass ratio of auxiliary agent part then.
2, the preparation method is with embodiment one
Embodiment four: a kind of environment-friendly alkali-resistant disperse red dye mixture
1, the composition of dyestuff:
A kind of environment-friendly alkali-resistant disperse red dye mixture is made up of dyestuff and the mixing of auxiliary agent two portions, and said dyestuff part is made up of the C.I. Red-1 200 79 of 55 parts (mass fractions) and the C.I. Red-1 200 52 of 45 parts (mass fractions).Add auxiliary agent according to dyestuff part and 1: 1.7 mass ratio of auxiliary agent part then, said auxiliary agent is sodium lignosulfonate and the mass ratio mixing of dispersing agent MF by 38: 62.
2, the preparation method is with embodiment one
Embodiment five: a kind of environment-friendly alkali-resistant disperse red dye mixture
1, the composition of dyestuff:
A kind of environment-friendly alkali-resistant disperse red dye mixture is made up of dyestuff and the mixing of auxiliary agent two portions, and said dyestuff part is made up of the C.I. Red-1 200 79 of 47 parts (mass fractions) and the C.I. Red-1 200 53 of 53 parts (mass fractions).Add auxiliary agent according to dyestuff part and 1: 1.2 ratio of auxiliary agent part then, said auxiliary agent is sodium lignosulfonate and the mass ratio mixing of dispersing agent MF by 40: 60.
2, the preparation method is with embodiment one
Embodiment six: a kind of environment-friendly alkali-resistant disperse red dye mixture
1, the composition of dyestuff:
A kind of environment-friendly alkali-resistant disperse red dye mixture is made up of dyestuff and the mixing of auxiliary agent two portions, and said dyestuff part is made up of the C.I. Red-1 200 79 of 26 parts (mass fractions) and the C.I. Red-1 200 52 of 74 parts (mass fractions).Add auxiliary agent according to dyestuff part and 1: 1.5 ratio of auxiliary agent part then, said auxiliary agent is that sodium lignosulfonate, dispersing agent MF mix with the mass ratio of dispersing agent NNO according to 3: 4: 3.
2, the preparation method is with embodiment one
Embodiment seven: a kind of environment-friendly alkali-resistant disperse red dye mixture
1, the composition of dyestuff:
A kind of environment-friendly alkali-resistant disperse red dye mixture is made up of dyestuff and the mixing of auxiliary agent two portions, and said dyestuff part is made up of the C.I. Red-1 200 45 of 26 parts (mass fractions) and the C.I. Red-1 200 52 of 74 parts (mass fractions).Add auxiliary agent according to dyestuff part and 1: 2 ratio of auxiliary agent part then, said auxiliary agent is sodium lignosulfonate and the mass ratio mixing of dispersing agent MF by 35: 65.
2, the preparation method is with embodiment one
Embodiment eight: a kind of environment-friendly alkali-resistant disperse red dye mixture
1, the composition of dyestuff:
A kind of environment-friendly alkali-resistant disperse red dye mixture is made up of dyestuff and the mixing of auxiliary agent two portions, and said dyestuff part is made up of the C.I. Red-1 200 45 of 45 parts (mass fractions) and the C.I. Red-1 200 52 of 55 parts (mass fractions).Add sodium lignosulfonate according to dyestuff and 1: 1 ratio of dispersion agent then.
2, the preparation method is with embodiment one
Embodiment nine: a kind of environment-friendly alkali-resistant disperse red dye mixture
1, the composition of dyestuff:
A kind of environment-friendly alkali-resistant disperse red dye mixture is made up of dyestuff and the mixing of auxiliary agent two portions, and said dyestuff part is made up of the C.I. Red-1 200 45 of 75 parts (mass fractions) and the C.I. Red-1 200 52 of 25 parts (mass fractions).Add auxiliary agent according to dyestuff and 1: 1.8 ratio of auxiliary agent then, said auxiliary agent is sodium lignosulfonate and the mass ratio mixing of dispersing agent MF by 36: 64.
2, the preparation method is with embodiment one
Embodiment ten: a kind of environment-friendly alkali-resistant disperse red dye mixture
1, the composition of dyestuff:
A kind of environment-friendly alkali-resistant disperse red dye mixture is made up of dyestuff and the mixing of auxiliary agent two portions, and said dyestuff part is made up of the C.I. Red-1 200 45 of 70 parts (mass fractions) and the C.I. Red-1 200 53 of 27 parts (mass fractions).Add sodium lignosulfonate according to dyestuff and 1: 1 ratio of dispersion agent then.
2, the preparation method is with embodiment one
Embodiment 11: a kind of environment-friendly alkali-resistant disperse red dye mixture
1, the composition of dyestuff:
A kind of environment-friendly alkali-resistant disperse red dye mixture is made up of dyestuff and the mixing of auxiliary agent two portions, and said dyestuff part is made up of the C.I. Red-1 200 45 of 55 parts (mass fractions) and the C.I. Red-1 200 53 of 45 parts (mass fractions).Add sodium lignosulfonate according to dyestuff and 1: 1 ratio of dispersion agent then.
2, the preparation method is with embodiment one
Embodiment 12: a kind of environment-friendly alkali-resistant disperse red dye mixture
1, the composition of dyestuff:
A kind of environment-friendly alkali-resistant disperse red dye mixture is made up of dyestuff and the mixing of auxiliary agent two portions, and said dyestuff part is made up of the C.I. Red-1 200 45 of 34 parts (mass fractions) and the C.I. Red-1 200 53 of 64 parts (mass fractions).Add sodium lignosulfonate according to dyestuff and 1: 1 ratio of dispersion agent then.
2, the preparation method is with embodiment one
The foregoing description only is explanation technical conceive of the present invention and characteristics, and its purpose is to let the personage who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalences that spirit is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (3)
1. an environment-friendly alkali-resistant disperse red dye mixture is made up of dyestuff and the mixing of auxiliary agent two portions, it is characterized in that: said dyestuff part is made up of three kinds of dyestuffs of following quality percentage composition:
One of which is for meeting the dyestuff of chemical general formula (I), and content is 2.5%~95% of dyestuff part gross weight,
R in the formula
1Be hydrogen, methyl or methoxy;
It is two for meeting the dyestuff of chemical general formula (II), and content is 2.5%~95% of dyestuff part gross weight,
In the formula, R
2Be hydrogen or methyl;
It is three for meeting the dyestuff of chemical general formula (III), and content is 2.5%~95% of dyestuff part gross weight,
In the formula, R
3Be hydrogen or methyl.
2. environment-friendly alkali-resistant disperse red dye mixture according to claim 1 is characterized in that: said dyestuff part is made up of three kinds of dyestuffs of following quality percentage composition:
The dyestuff that meets chemical general formula (I), content are 5%~60% of dyestuff part gross weight;
The dyestuff that meets chemical general formula (II), content are 5%~60% of dyestuff part gross weight;
The dyestuff that meets chemical general formula (III), content are 5%~60% of dyestuff part gross weight.
3. environment-friendly alkali-resistant disperse red dye mixture according to claim 1 is characterized in that: said dyestuff and auxiliary agent two portions mix according to 1: 1~2 mass ratio;
Said auxiliary agent partly adopts one of following scheme:
A, sodium lignosulfonate or dispersing agent MF;
B, sodium lignosulfonate and dispersing agent MF are according to 35~40: 60~65 mass ratio mixes;
C, sodium lignosulfonate, dispersing agent MF and dispersing agent NNO are according to 2.9~3.1: 3.8~4.2: 2.9~3.1 mass ratio mixes.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200910027424A CN101565558B (en) | 2009-05-05 | 2009-05-05 | Environment-friendly alkali-resistant disperse red dye mixture |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200910027424A CN101565558B (en) | 2009-05-05 | 2009-05-05 | Environment-friendly alkali-resistant disperse red dye mixture |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101565558A CN101565558A (en) | 2009-10-28 |
CN101565558B true CN101565558B (en) | 2012-10-17 |
Family
ID=41281931
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200910027424A Ceased CN101565558B (en) | 2009-05-05 | 2009-05-05 | Environment-friendly alkali-resistant disperse red dye mixture |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN101565558B (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102634232A (en) * | 2012-03-27 | 2012-08-15 | 江苏之江化工有限公司 | Dispersed bright-red dye composition |
CN102952414B (en) * | 2012-09-19 | 2014-02-19 | 浙江吉华集团股份有限公司 | Red environment-friendly disperse dye mixture and application thereof |
CN103113759A (en) * | 2013-02-28 | 2013-05-22 | 绍兴县精细化工有限公司 | Red disperse dye composition, and preparation method and application thereof |
CN104945954B (en) * | 2015-06-26 | 2017-12-08 | 浙江龙盛集团股份有限公司 | A kind of dispersion red dye composition and dye preparations |
CN107778919B (en) * | 2017-09-26 | 2019-08-20 | 杭州吉华江东化工有限公司 | A kind of lesser C.I. Red 167 dyestuff substitute of metameric index |
CN110183874A (en) * | 2019-07-11 | 2019-08-30 | 浙江双冠染料有限公司 | A kind of red disperse dyes composition |
CN110373046B (en) * | 2019-07-24 | 2024-02-23 | 孚美科(绍兴)染料科技有限公司 | Disperse red FS150% dye composition |
CN112063196B (en) * | 2020-09-21 | 2021-09-10 | 浙江双冠染料有限公司 | Red disperse dye composition |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1597790A (en) * | 2004-07-01 | 2005-03-23 | 浙江龙盛集团股份有限公司 | Composite disperse red dye |
CN101067047A (en) * | 2007-06-18 | 2007-11-07 | 浙江闰土股份有限公司 | Disperse red dye and preparation method thereof |
-
2009
- 2009-05-05 CN CN200910027424A patent/CN101565558B/en not_active Ceased
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1597790A (en) * | 2004-07-01 | 2005-03-23 | 浙江龙盛集团股份有限公司 | Composite disperse red dye |
CN101067047A (en) * | 2007-06-18 | 2007-11-07 | 浙江闰土股份有限公司 | Disperse red dye and preparation method thereof |
Also Published As
Publication number | Publication date |
---|---|
CN101565558A (en) | 2009-10-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101565558B (en) | Environment-friendly alkali-resistant disperse red dye mixture | |
CN100569866C (en) | A kind of environment-friendly type and alkaline-resisting type disperse orange dyes mixture | |
CN101735664B (en) | Disperse scarlet dye composition | |
CN103408968B (en) | A kind of blue disperse dye mixture | |
CN101792615A (en) | Environment-friendly dark blue and black series compound disperse dye and production method thereof | |
CN103589190B (en) | A kind of dispersion red dye composition | |
CN107724114B (en) | Environment-friendly high-temperature direct-injection disperse black dye ink and preparation method thereof | |
CN101671492B (en) | Composition of cobaly blue dispersed dye | |
CN100374511C (en) | Mixed black and blue series combined disperse dye | |
CN101760046B (en) | Dispersive black dye composition | |
CN109370257A (en) | A kind of alkali resistant dispersion gray dye mixture | |
CN100393817C (en) | Combined blue disperse dye | |
CN102516815B (en) | Disperse orange dye mixture | |
CN106833018A (en) | A kind of dispersed black dye mixture and its dye preparations | |
CN102344694B (en) | Composite dye composition, composite disperse dye and preparation method thereof | |
CN106752085A (en) | A kind of low-temperature environment-friendly economizing type composite disperse dye | |
CN100516144C (en) | High humidity treatment fastness dispersible dye mixture and its product | |
CN101983999B (en) | Compound disperse blue dye for direct printing | |
CN105385192A (en) | Green and environment-friendly red reactive dye composite | |
CN101948633B (en) | Environment-friendly quick dyeing disperse dye composition | |
CN109504126A (en) | A kind of high fastness of environment-friendly type disperses black blue dye mixture, the product comprising it and application | |
CN102634234B (en) | Dye mixture for fur dyeing | |
CN108102424A (en) | A kind of composite active black dye mixture, its preparation method and application | |
CN100404630C (en) | Disperse dye mixture and its product | |
CN108395732B (en) | A kind of black disperse dye composition and black disperse dye |
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 | ||
IW01 | Full invalidation of patent right | ||
IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20200310 Decision number of declaring invalidation: 43545 Granted publication date: 20121017 |