CN110201600A - A kind of naphthalene sulfonate polymer anion surfactant preparation method - Google Patents
A kind of naphthalene sulfonate polymer anion surfactant preparation method Download PDFInfo
- Publication number
- CN110201600A CN110201600A CN201910455826.XA CN201910455826A CN110201600A CN 110201600 A CN110201600 A CN 110201600A CN 201910455826 A CN201910455826 A CN 201910455826A CN 110201600 A CN110201600 A CN 110201600A
- Authority
- CN
- China
- Prior art keywords
- naphthalene sulfonate
- emulsifier
- anion surfactant
- glycinebetaine
- butanol
- 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.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/30—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests characterised by the surfactants
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K23/00—Use of substances as emulsifying, wetting, dispersing, or foam-producing agents
- C09K23/017—Mixtures of compounds
- C09K23/018—Mixtures of two or more different organic oxygen-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/83—Mixtures of non-ionic with anionic compounds
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2003—Alcohols; Phenols
- C11D3/2006—Monohydric alcohols
- C11D3/201—Monohydric alcohols linear
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2075—Carboxylic acids-salts thereof
- C11D3/2082—Polycarboxylic acids-salts thereof
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/22—Carbohydrates or derivatives thereof
- C11D3/222—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/26—Organic compounds containing nitrogen
- C11D3/33—Amino carboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/008—Polymeric surface-active agents
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/22—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aromatic compounds
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/662—Carbohydrates or derivatives
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/72—Ethers of polyoxyalkylene glycols
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/82—Compounds containing silicon
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Emergency Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Molecular Biology (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Toxicology (AREA)
- Dentistry (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Materials Engineering (AREA)
- Detergent Compositions (AREA)
Abstract
A kind of naphthalene sulfonate polymer anion surfactant preparation method, specifically includes the following steps: S1, preparation raw material: naphthalene sulfonate, amino-polyether organosilicon, adipic acid, silicon cream, ethyl alcohol, emulsifier, n-butanol, thickener g, glycinebetaine and water;S2, naphthalene sulfonate, ethyl alcohol, glycinebetaine and water mixing are added in 250ml three-necked flask, oil bath heating keeps 20min to 120 degrees Celsius under nitrogen protection under normal pressure, then stirs 20min with 150r/min, stands 1h, obtains solution one;S3, amino-polyether organosilicon, adipic acid, silicon cream, emulsifier and n-butanol are added in solution one, stir 30min under 100 degrees celsius, obtains solution two;S4, the drying under 60 degrees Celsius of vacuum conditions by solution two, can be obtained product.
Description
Technical field
The present invention relates to the field of polymers, specifically a kind of naphthalene sulfonate polymer anion surfactant preparation side
Method.
Background technique
Naphthalene sulfonate is a kind of chemical substance, and molecular formula is (C19H20N2) 2C10H8O6S2, and physical form is white
Or off-white color crystalline powder.Naphthalene sulfonate is widely used in chemical field, is generally mated surfactant use.
In the prior art surfactant using more and more extensive, but the synthesis technology of this kind of surfactant is also deposited
In reaction process complexity, system stability is poor, at high cost, the reaction time is long, yield is not high, environmental pollution, raw material availability
It is low to be difficult to the technical issues of overcoming, it is not able to satisfy higher demand in current industrial application.So inventing a kind of with reaction
The surfactant preparation method that process is simple, preparation cost is low, environmental-friendly is very necessary.
Summary of the invention
To achieve the above object, the invention provides the following technical scheme:
A kind of naphthalene sulfonate polymer anion surfactant preparation method, specifically includes the following steps:
S1, prepare raw material: naphthalene sulfonate 2-5g, amino-polyether organosilicon 1-3g, adipic acid 1-2g, silicon cream 1-2g, ethyl alcohol
3-10g, emulsifier 0.1-1g, n-butanol 2-6g, thickener 0.02-0.06g, glycinebetaine 3-5g and water 25-40g;
S2, naphthalene sulfonate, ethyl alcohol, glycinebetaine and water mixing are added in 250ml three-necked flask, in normal pressure nitrogen
It protects lower oil bath heating to 120 degrees Celsius, keeps 20min, 20min is then stirred with 150r/min, stand 1h, obtain solution
One;
S3, amino-polyether organosilicon, adipic acid, silicon cream, emulsifier and n-butanol are added in solution one, it is Celsius 100
30min is stirred under the conditions of degree, obtains solution two;
S4, the drying under 60 degrees Celsius of vacuum conditions by solution two, can be obtained product.
Preferably, the thickener is hydroxy alkyl cellulose.
Preferably, the emulsifier is methyl glucoside sesquistearate and methyl glucoside polyoxyethylene (20)
The combination of ether.
Compared with prior art, the beneficial effects of the present invention are:
The surfactant prepared by this method has the characteristics such as nontoxic, without phosphorus, antistatic, low bubble, preparation process letter
List, simple production process, it is low in cost, pollution-free, be suitable for industrial scale and produce, and can be used as the cleaning agent of instrument, agriculture
The purposes of medicine, the emulsifier of ink, the solubilizer of drug, suspending agent and anti-coagulants.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Embodiment one
A kind of naphthalene sulfonate polymer anion surfactant preparation method, specifically includes the following steps:
S1, prepare raw material: naphthalene sulfonate 2-5g, amino-polyether organosilicon 1-3g, adipic acid 1-2g, silicon cream 1-2g, ethyl alcohol
3-10g, emulsifier 0.1-1g, n-butanol 2-6g, thickener 0.02-0.06g, glycinebetaine 3-5g and water 25-40g;
S2, naphthalene sulfonate, ethyl alcohol, glycinebetaine and water mixing are added in 250ml three-necked flask, in normal pressure nitrogen
It protects lower oil bath heating to 120 degrees Celsius, keeps 20min, 20min is then stirred with 150r/min, stand 1h, obtain solution
One;
S3, amino-polyether organosilicon, adipic acid, silicon cream, emulsifier and n-butanol are added in solution one, it is Celsius 100
30min is stirred under the conditions of degree, obtains solution two;
S4, the drying under 60 degrees Celsius of vacuum conditions by solution two, can be obtained product.
Preferably, the thickener is hydroxy alkyl cellulose.
Preferably, the emulsifier is methyl glucoside sesquistearate and methyl glucoside polyoxyethylene (20)
The combination of ether.
Embodiment two
A kind of naphthalene sulfonate polymer anion surfactant preparation method, raw material component are as follows:
Naphthalene sulfonate 2g, amino-polyether organosilicon 1g, adipic acid 1g, silicon cream 1g, ethyl alcohol 3g, emulsifier 0.1g, n-butanol
2g, thickener 0.02g, glycinebetaine 3g and water 25g.
Embodiment three
A kind of naphthalene sulfonate polymer anion surfactant preparation method, raw material component are as follows:
Naphthalene sulfonate 3g, amino-polyether organosilicon 2g, adipic acid 1g, silicon cream 2g, ethyl alcohol 6g, emulsifier 0.6g, n-butanol
4g, thickener 0.04g, glycinebetaine 4g and water 35g.
Example IV
A kind of naphthalene sulfonate polymer anion surfactant preparation method, raw material component are as follows:
Naphthalene sulfonate 5g, amino-polyether organosilicon 3g, adipic acid 2g, silicon cream 2g, ethyl alcohol 10g, emulsifier 1g, n-butanol
6g, thickener 0.06g, glycinebetaine 5g and water 40g
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of naphthalene sulfonate polymer anion surfactant preparation method, which is characterized in that specifically includes the following steps:
S1, prepare raw material: naphthalene sulfonate 2-5g, amino-polyether organosilicon 1-3g, adipic acid 1-2g, silicon cream 1-2g, ethyl alcohol 3-
10g, emulsifier 0.1-1g, n-butanol 2-6g, thickener 0.02-0.06g, glycinebetaine 3-5g and water 25-40g;
S2, naphthalene sulfonate, ethyl alcohol, glycinebetaine and water mixing are added in 250ml three-necked flask, in nitrogen protection under normal pressure
Lower oil bath heating keeps 20min to 120 degrees Celsius, then stirs 20min with 150r/min, stands 1h, obtains solution one;
S3, amino-polyether organosilicon, adipic acid, silicon cream, emulsifier and n-butanol are added in solution one, in 100 degrees Celsius of items
30min is stirred under part, obtains solution two;
S4, the drying under 60 degrees Celsius of vacuum conditions by solution two, can be obtained product.
2. a kind of naphthalene sulfonate polymer anion surfactant preparation method according to claim 1, feature exist
In raw material component in step S1 are as follows:
Naphthalene sulfonate 2g, amino-polyether organosilicon 1g, adipic acid 1g, silicon cream 1g, ethyl alcohol 3g, emulsifier 0.1g, n-butanol 2g, increase
Thick dose of 0.02g, glycinebetaine 3g and water 25g.
3. a kind of naphthalene sulfonate polymer anion surfactant preparation method according to claim 1, feature exist
In raw material component in step S1 are as follows:
Naphthalene sulfonate 3g, amino-polyether organosilicon 2g, adipic acid 1g, silicon cream 2g, ethyl alcohol 6g, emulsifier 0.6g, n-butanol 4g, increase
Thick dose of 0.04g, glycinebetaine 4g and water 35g.
4. a kind of naphthalene sulfonate polymer anion surfactant preparation method according to claim 1, feature exist
In raw material component in step S1 are as follows:
Naphthalene sulfonate 5g, amino-polyether organosilicon 3g, adipic acid 2g, silicon cream 2g, ethyl alcohol 10g, emulsifier 1g, n-butanol 6g, increase
Thick dose of 0.06g, glycinebetaine 5g and water 40g.
5. a kind of naphthalene sulfonate polymer anion surfactant preparation method according to claim 1, feature exist
In the thickener is hydroxy alkyl cellulose.
6. a kind of naphthalene sulfonate polymer anion surfactant preparation method according to claim 1, feature exist
In the emulsifier is the combination of methyl glucoside sesquistearate and methyl glucoside polyoxyethylene (20) ether.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910455826.XA CN110201600A (en) | 2019-05-29 | 2019-05-29 | A kind of naphthalene sulfonate polymer anion surfactant preparation method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910455826.XA CN110201600A (en) | 2019-05-29 | 2019-05-29 | A kind of naphthalene sulfonate polymer anion surfactant preparation method |
Publications (1)
Publication Number | Publication Date |
---|---|
CN110201600A true CN110201600A (en) | 2019-09-06 |
Family
ID=67789336
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910455826.XA Pending CN110201600A (en) | 2019-05-29 | 2019-05-29 | A kind of naphthalene sulfonate polymer anion surfactant preparation method |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110201600A (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1997729A (en) * | 2004-05-04 | 2007-07-11 | 雷恩国立高等化学学院 | Surfactant composition method for production thereof and cosmetic comprising said composition |
US20080207456A1 (en) * | 2005-04-21 | 2008-08-28 | Akzo Nobel N.V. | Agrochemical Compositions Containing Naphthalene Sulfonate Derivatives and Nitrogen-Containing Surfactants |
JP2013155332A (en) * | 2012-01-31 | 2013-08-15 | Mandom Corp | Transparent liquid detergent |
CN104069654A (en) * | 2014-07-01 | 2014-10-01 | 西安道尔达化工有限公司 | Preparation method of high-viscosity organic silicon defoamer |
CN106492707A (en) * | 2016-08-31 | 2017-03-15 | 余姚市楷瑞电子有限公司 | Surface activator composition |
-
2019
- 2019-05-29 CN CN201910455826.XA patent/CN110201600A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1997729A (en) * | 2004-05-04 | 2007-07-11 | 雷恩国立高等化学学院 | Surfactant composition method for production thereof and cosmetic comprising said composition |
US20080207456A1 (en) * | 2005-04-21 | 2008-08-28 | Akzo Nobel N.V. | Agrochemical Compositions Containing Naphthalene Sulfonate Derivatives and Nitrogen-Containing Surfactants |
JP2013155332A (en) * | 2012-01-31 | 2013-08-15 | Mandom Corp | Transparent liquid detergent |
CN104069654A (en) * | 2014-07-01 | 2014-10-01 | 西安道尔达化工有限公司 | Preparation method of high-viscosity organic silicon defoamer |
CN106492707A (en) * | 2016-08-31 | 2017-03-15 | 余姚市楷瑞电子有限公司 | Surface activator composition |
Non-Patent Citations (1)
Title |
---|
赵洪波,赵海峰主编: "《胶体与表面化学理论及应用研究》", 31 March 2016 * |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102372885B (en) | A kind of high viscosity polyvinyl acetate emulsion and preparation method thereof | |
CN105315507B (en) | A kind of method for preparing modified graphene chitosan laminated film | |
US9074102B2 (en) | Cold transfer printing paste, printing colorant thereof, and preparation method thereof | |
CN103146276B (en) | Leather moditied processing matrix material and preparation method thereof | |
CN108048421A (en) | The method that transfructosylase catalytic efficiency and stability are improved using choline eutectic solvent | |
CN104059215A (en) | Preparation method of TDI isocyanurate | |
CN106279710A (en) | Sliding block polyether amino silicone oil of a kind of ultra-soft and preparation method thereof | |
CN105218845B (en) | A kind of preparation method of modified graphene polymethyl methacrylate laminated film | |
CN110201600A (en) | A kind of naphthalene sulfonate polymer anion surfactant preparation method | |
US8008246B2 (en) | Use of isosorbide ethers in detergents and cleaners | |
CN101182684A (en) | Preparation method of water-solubility electrostatic resistance hydrophile linearity block textile finishing agent | |
CN105263904B (en) | Sulphation oligomeric hydroxy carboxylate and application thereof | |
CN104497270B (en) | Side base substituted biphenyl type shape memory epoxy resin by using liquid crystal and preparation method thereof and application | |
CN104530326A (en) | Synthetic method of inkjet printing thickener and thickener | |
CN107176913A (en) | Axial chirality binaphthol derivative Gemini type amphiphile, amphiphilic molecule enantiomter and its preparation method and application | |
CN109312260B (en) | Surfactant composition | |
CN104940036B (en) | The preparation method of environment-friendly type large arch dam moisturizer | |
CN113181828A (en) | Environment-friendly amino acid modified organic silicon surfactant and preparation method thereof | |
JP2932377B2 (en) | Liquid detergent thickening method | |
CN114349874A (en) | Preparation method of hydrophobically modified sodium carboxymethyl starch | |
CN108610813A (en) | A kind of water paint and its preparation process | |
CN106278905A (en) | The preparation method of free state amantadine | |
US11613672B2 (en) | Aqueous emulsions of oxamidoester-functionalized organopolysiloxanes | |
CN108410413A (en) | A kind of preparation method of paper solid gum | |
CN104650704A (en) | Antistatic water-soluble latex paint |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190906 |