CN109055020A - A kind of preparation process of glass efficient cleaner - Google Patents

A kind of preparation process of glass efficient cleaner Download PDF

Info

Publication number
CN109055020A
CN109055020A CN201811092081.7A CN201811092081A CN109055020A CN 109055020 A CN109055020 A CN 109055020A CN 201811092081 A CN201811092081 A CN 201811092081A CN 109055020 A CN109055020 A CN 109055020A
Authority
CN
China
Prior art keywords
parts
glass
preparation process
efficient cleaner
cleaning
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
Application number
CN201811092081.7A
Other languages
Chinese (zh)
Inventor
姚海港
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pizhou Tiefu Kowloon Public Service Co Ltd
Original Assignee
Pizhou Tiefu Kowloon Public Service Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pizhou Tiefu Kowloon Public Service Co Ltd filed Critical Pizhou Tiefu Kowloon Public Service Co Ltd
Priority to CN201811092081.7A priority Critical patent/CN109055020A/en
Publication of CN109055020A publication Critical patent/CN109055020A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • C11D1/14—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aliphatic hydrocarbons or mono-alcohols
    • C11D1/146—Sulfuric acid esters
    • 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
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/04—Water-soluble compounds
    • C11D3/046—Salts
    • C11D3/048—Nitrates or nitrites
    • 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
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/04—Water-soluble compounds
    • C11D3/10—Carbonates ; Bicarbonates
    • 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
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/12—Water-insoluble compounds
    • C11D3/1213—Oxides or hydroxides, e.g. Al2O3, TiO2, CaO or Ca(OH)2
    • 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
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/12—Water-insoluble compounds
    • C11D3/122—Sulfur-containing, e.g. sulfates, sulfites or gypsum
    • 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
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/12—Water-insoluble compounds
    • C11D3/124—Silicon containing, e.g. silica, silex, quartz or glass beads
    • 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
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/12—Water-insoluble compounds
    • C11D3/124—Silicon containing, e.g. silica, silex, quartz or glass beads
    • C11D3/1246—Silicates, e.g. diatomaceous earth
    • C11D3/1253—Layer silicates, e.g. talcum, kaolin, clay, bentonite, smectite, montmorillonite, hectorite or attapulgite
    • 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
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/12—Water-insoluble compounds
    • C11D3/14—Fillers; Abrasives ; Abrasive compositions; Suspending or absorbing agents not provided for in one single group of C11D3/12; Specific features concerning abrasives, e.g. granulometry or mixtures
    • 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
    • C11D3/30—Amines; Substituted amines ; Quaternized amines
    • 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
    • C11D3/34—Organic compounds containing sulfur
    • C11D3/3418—Toluene -, xylene -, cumene -, benzene - or naphthalene sulfonates or sulfates
    • 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
    • C11D3/38—Products with no well-defined composition, e.g. natural products
    • C11D3/382—Vegetable products, e.g. soya meal, wood flour, sawdust
    • 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
    • C11D3/50—Perfumes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Emergency Medicine (AREA)
  • Detergent Compositions (AREA)

Abstract

A kind of preparation process of glass efficient cleaner, it is related to detergent technical field, steps are as follows: step 1 takes 0.3-0.6 parts of 0.1-0.3 parts of silicon nitride, 0.5-1.3 parts of montmorillonite, 0.5-1.5 parts of zinc oxide, 0.3-1.1 parts of potassium nitrate, 0.3-1.2 parts of barium sulfate and glass fibre progress high temperature and pressure calcinings, prepares nanometer abrasive；Step 2, by nanometer abrasive, step 2, by nanometer abrasive, 11-19 parts of toluenesulfonic acid sodium salt, 7-15 parts of alkyl sulfate sodium, 15-21 parts of triethanolamine, 8-14 parts of potassium carbonate, 14-22 parts of xanthic acid natural gum, 2-4 parts of essence, 1-3 parts of foaming agent, 80-120 parts of deionized water are uniformly mixed, and stand and place.The preparation process of glass efficient cleaner provided by the invention is added nanometer abrasive and foaming agent, can quickly blister and effectively remove the stain on glass, can be used for the cleaning cleaning of various glass article surfaces on the basis of aqueous cleaning agent.

Description

A kind of preparation process of glass efficient cleaner
Technical field
The invention belongs to detergent technical field, in particular to a kind of preparation process of glass efficient cleaner.
Background technique
Cleaning agent, also known as detergent are that a kind of liquid condition is used to wash clothing or implement or cleaning furniture etc. The cleaning products of thing.Whether contain carbon compound according to cleaning agent, organic washing agent and inorganic can be divided into your cleaning agent Cleaning agent；According to whether cleaning agent can be divided into water system, half water system, non-water system cleaning agent three categories to be water base.
Wherein, water solubility scour due to cleaning effect be not it is too ideal, needed in addition using a large amount of water, market is occupied Rate is declining；Although there are such problems for water solubility scour, since it is preferable with mobility, it is readily cleaned equal spies Point, water solubility scour still occupy a tiny space, and how to improve the cleaning effect of water solubility scour, become current water solubility scour The major issue faced.
Currently, glass cleaning substantially needs using glass scraper, smears hydrophone, highly-efficient glass cleaning agent and cleaned, clean The key of effect is that highly-efficient glass cleaning agent, water solubility scour are fine for the treatment effect of general spot, but for stupid Solid spot cleaning effect it is limited, be unable to satisfy the demand of people, therefore, glass cleaning field be badly in need of a kind of cleaning effect compared with Good water solubility scour.
Summary of the invention
Present invention solves the technical problem that: it in view of the above deficiencies, overcomes the deficiencies of existing technologies, the purpose of the present invention is mention For a kind of preparation process of glass efficient cleaner.
Technical solution of the present invention:
A kind of preparation process of glass efficient cleaner, steps are as follows:
Step 1, according to the mass fraction, takes 0.1-0.3 parts of silicon nitride, 0.5-1.3 parts of montmorillonite, 0.5-1.5 parts of zinc oxide, nitric acid 0.3-1.1 parts of potassium, 0.3-1.2 parts of barium sulfate and 0.3-0.6 parts of glass fibre are put into calcining mold, are placed in high temperature furnace and are carried out High temperature and pressure calcining, calcination time 2-5h are ground after cooling, are ground to 100~300nm of average grain diameter, and nanometer mill is obtained Material；
Step 2, according to the mass fraction, by nanometer abrasive, 11-19 parts of toluenesulfonic acid sodium salt, 7-15 parts of alkyl sulfate sodium, three ethyl alcohol 15-21 parts of amine, 8-14 parts of potassium carbonate, 14-22 parts of xanthic acid natural gum, 2-4 parts of essence, 1-3 parts of foaming agent, deionized water 80-120 Part is uniformly mixed, and stands and places.
Preferably, the temperature of high temperature and pressure calcining is 850~1150 DEG C in the step 1.
Preferably, the pressure of high temperature and pressure calcining is 300~600MPa in the step 1.
Preferably, foaming agent is pine tar, eucalyptus oil, camphorated oil or cresotinic acid in the step 2.
More preferably, in the step 2, foaming agent is pine tar.
The utility model has the advantages that the preparation process of glass efficient cleaner provided by the invention, on the basis of aqueous cleaning agent On, nanometer abrasive and foaming agent is added, can quickly blister and effectively remove the stain on glass, can be used for various glass The cleaning cleaning of product surface.
Specific embodiment
For a further understanding of the present invention, the preferred embodiment of the invention is described below with reference to embodiment, still It should be appreciated that these descriptions are only further explanation the features and advantages of the present invention, rather than to the claims in the present invention Limitation.
Embodiment 1:
A kind of preparation process of glass efficient cleaner, steps are as follows:
Step 1, according to the mass fraction, takes 0.3 part of silicon nitride, 1.3 parts of montmorillonite, 1.5 parts of zinc oxide, 1.1 parts of potassium nitrate, sulfuric acid 1.2 parts and 0.6 part of glass fibre of barium are put into calcining mold, are placed in progress high temperature and pressure calcining, temperature 1050 in high temperature furnace DEG C, pressure 400MPa, calcination time 4h are ground after cooling, are ground to average grain diameter 200nm, obtain nanometer abrasive；
Step 2, according to the mass fraction, by nanometer abrasive, 19 parts of toluenesulfonic acid sodium salt, 15 parts of alkyl sulfate sodium, triethanolamine 21 Part, 14 parts of potassium carbonate, 22 parts of xanthic acid natural gum, 4 parts of essence, 3 parts of eucalyptus oil foaming agent, 120 parts of deionized water are uniformly mixed, quiet Placement location.
Embodiment 2:
A kind of preparation process of glass efficient cleaner, steps are as follows:
Step 1, according to the mass fraction, takes 0.1 part of silicon nitride, 0.5 part of montmorillonite, 0.5 part of zinc oxide, 0.3 part of potassium nitrate, sulfuric acid 0.3 part and 0.3 part of glass fibre of barium is put into calcining mold, is placed in progress high temperature and pressure calcining, temperature 1050 in high temperature furnace DEG C, pressure 400MPa, calcination time 2-5h are ground after cooling, are ground to average grain diameter 200nm, obtain nanometer abrasive；
Step 2, according to the mass fraction, by nanometer abrasive, 11 parts of toluenesulfonic acid sodium salt, 7 parts of alkyl sulfate sodium, triethanolamine 15 Part, 8 parts of potassium carbonate, 14 parts of xanthic acid natural gum, 2 parts of essence, 1 part of camphorated oil foaming agent, 80 parts of deionized water are uniformly mixed, and stand Placement.
Embodiment 3:
A kind of preparation process of glass efficient cleaner, steps are as follows:
Step 1, according to the mass fraction, takes 0.2 part of silicon nitride, 0.8 part of montmorillonite, 0.9 part of zinc oxide, 0.7 part of potassium nitrate, sulfuric acid 0.8 part and 0.5 part of glass fibre of barium is put into calcining mold, is placed in progress high temperature and pressure calcining, temperature 1150 in high temperature furnace DEG C, pressure 400MPa, calcination time 5h are ground after cooling, are ground to average grain diameter 100nm, obtain nanometer abrasive；
Step 2, according to the mass fraction, by nanometer abrasive, 15 parts of toluenesulfonic acid sodium salt, 11 parts of alkyl sulfate sodium, triethanolamine 17 Part, 12 parts of potassium carbonate, 18 parts of xanthic acid natural gum, 3 parts of essence, 2 parts of pine tar foaming agent, 92 parts of deionized water are uniformly mixed, and stand Placement.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one The widest scope of cause.

Claims (5)

1. a kind of preparation process of glass efficient cleaner, which is characterized in that steps are as follows:
Step 1, according to the mass fraction, takes 0.1-0.3 parts of silicon nitride, 0.5-1.3 parts of montmorillonite, 0.5-1.5 parts of zinc oxide, nitric acid 0.3-1.1 parts of potassium, 0.3-1.2 parts of barium sulfate and 0.3-0.6 parts of glass fibre are put into calcining mold, are placed in high temperature furnace and are carried out High temperature and pressure calcining, calcination time 2-5h are ground after cooling, are ground to 100~300nm of average grain diameter, and nanometer mill is obtained Material；
Step 2, according to the mass fraction, by nanometer abrasive, 11-19 parts of toluenesulfonic acid sodium salt, 7-15 parts of alkyl sulfate sodium, three ethyl alcohol 15-21 parts of amine, 8-14 parts of potassium carbonate, 14-22 parts of xanthic acid natural gum, 2-4 parts of essence, 1-3 parts of foaming agent, deionized water 80-120 Part is uniformly mixed, and stands and places.
2. the preparation process of glass efficient cleaner according to claim 1, it is characterised in that: high in the step 1 The temperature of warm high pressure calcination is 850~1150 DEG C.
3. the preparation process of glass efficient cleaner according to claim 1, it is characterised in that: high in the step 1 The pressure of warm high pressure calcination is 300~600MPa.
4. the preparation process of glass efficient cleaner according to claim 1, it is characterised in that: in the step 2, rise Infusion is pine tar, eucalyptus oil, camphorated oil or cresotinic acid.
5. the preparation process of glass efficient cleaner according to claim 4, it is characterised in that: in the step 2, rise Infusion is pine tar.
CN201811092081.7A 2018-09-19 2018-09-19 A kind of preparation process of glass efficient cleaner Pending CN109055020A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811092081.7A CN109055020A (en) 2018-09-19 2018-09-19 A kind of preparation process of glass efficient cleaner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811092081.7A CN109055020A (en) 2018-09-19 2018-09-19 A kind of preparation process of glass efficient cleaner

Publications (1)

Publication Number Publication Date
CN109055020A true CN109055020A (en) 2018-12-21

Family

ID=64762952

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811092081.7A Pending CN109055020A (en) 2018-09-19 2018-09-19 A kind of preparation process of glass efficient cleaner

Country Status (1)

Country Link
CN (1) CN109055020A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111234794A (en) * 2020-03-18 2020-06-05 北京大德广源石油技术服务有限公司 Composite blocking remover and application method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111234794A (en) * 2020-03-18 2020-06-05 北京大德广源石油技术服务有限公司 Composite blocking remover and application method thereof

Similar Documents

Publication Publication Date Title
US4501680A (en) Acidic liquid detergent composition for cleaning ceramic tiles without eroding grout
CN109055020A (en) A kind of preparation process of glass efficient cleaner
JPH0140080B2 (en)
CN106978275A (en) A kind of non-water type vehicle cleaning detergent and preparation method thereof
CN102061511B (en) Novel polishing machine
US2817195A (en) Cleaning metal surfaces
CN103131333A (en) Floor cleaning wax polish composition
CN109234065A (en) A kind of preparation process of glass high-cleanness cleaning agent
CN208151485U (en) A kind of efficient pickling corrosion steel flushing drying unit
CN102310357B (en) Liquid-phase plasma polishing liquid and polishing process of aluminum product
CN109679785A (en) A kind of preparation process of glass energy conservation and environmental protection cleaning agent
CN109234054A (en) A kind of preparation process of degreasing efficient cleaner
CN110982638A (en) Preparation process of foam cleaning agent
CN109055021A (en) A kind of preparation process of degreasing green cleaning agent
CN108998268A (en) A kind of preparation process of glass complex cleaning and washing agent
CN104233337A (en) Method for cleaning copper pendant or ornament
CN210995527U (en) Quick belt cleaning device of pottery brick
CN106957747A (en) A kind of microcapsules non-water type vehicle cleaning detergent and preparation method thereof
CN205734311U (en) A kind of drilling machine with sanding apparatus
CN109022166A (en) A kind of preparation process of timber floor long-acting bacteriostatic cleaning agent
CN105368590A (en) Environment-friendly water-saving type vehicle cleaning agent
CN109294747A (en) A kind of preparation process removing the long-acting cleaning agent of greasy dirt
CN210172051U (en) Cleaning device before steel workpiece nitriding
CN218361166U (en) Reation kettle belt cleaning device of concrete water-reducing agent
CN104194962A (en) Tile cleaning agent

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20181221