CN106637484B - A kind of preparation method of green plum ferment collagenous shreds - Google Patents
A kind of preparation method of green plum ferment collagenous shreds Download PDFInfo
- Publication number
- CN106637484B CN106637484B CN201611122372.7A CN201611122372A CN106637484B CN 106637484 B CN106637484 B CN 106637484B CN 201611122372 A CN201611122372 A CN 201611122372A CN 106637484 B CN106637484 B CN 106637484B
- Authority
- CN
- China
- Prior art keywords
- green plum
- ferment
- collagen
- preparation
- plum ferment
- 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.)
- Active
Links
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/02—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from cellulose, cellulose derivatives, or proteins
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
- D01D10/02—Heat treatment
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/18—Formation of filaments, threads, or the like by means of rotating spinnerets
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/18—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from other substances
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Preparation Of Fruits And Vegetables (AREA)
- Materials For Medical Uses (AREA)
Abstract
The invention discloses a kind of preparation method of green plum ferment collagenous shreds, preparation method includes the following: 1) collagen spinning solution preparation;2) prepared by green plum ferment powder;3) prepared by green plum ferment collagenous shreds.Green plum ferment is adhered to the surface of collagenous shreds in centrifugal drying silk technical process by the present invention, and obtained green plum ferment collagenous shreds can meet the requirement of facial mask fabric, and ferment is small with skin contact surface, action temperature and long service life.
Description
Technical field
The invention belongs to ferment technical fields, more particularly, to a kind of preparation method of green plum ferment collagenous shreds.
Background technique
Ferment refers to by the polymer substance with biocatalytic Activity.Almost all of cellular activity process requires ferment
The participation of element, to improve efficiency.Similar to other abiotic catalyst, ferment is accelerated by reducing the activation energy of chemical reaction
Reaction rate.The rate for the reaction that most of ferment can be catalyzed improves up to a million times;In fact, ferment is to provide separately
One energy lower approach of demand living, enables more reaction particles to possess the kinetic energy of no less than activation energy, to accelerate reaction speed
Rate.
Green plum is rich in a variety of organic acids such as citric acid, malic acid, though the organic acid is acidic materials from structure, it is easily
Alkaline structure is converted to by oxidation.Green plum has sterilization, adjusting pH value of body, improvement gastrointestinal function, elimination tired
Labor releases stress, improves calcareous absorption, adjust blood pressure, antiallergy, strengthen liver detoxification function, beauty, improve blood
Circulation improves 16 health-nutrition values such as immune, pre- anti-cancer, prevention calculus, analgesia, anti-oxidant.
Currently, green plum ferment is mostly directly to use after preparing, the seldom immobilization expansion research on carrier to green plum ferment.
Summary of the invention
For green plum on Vehicles Collected from Market on carrier the problem of immobilization research and product deficiency, the present invention provides one kind
The preparation method of green plum ferment collagenous shreds, prepared green plum ferment collagenous shreds can be used as the use of facial mask fabric.
The present invention is realized by the following technologies:
A kind of preparation method of green plum ferment collagenous shreds, preparation method include the following:
1) prepared by collagen spinning solution: weighing collagen and chitosan by quality proportioning and is mixed, with hexafluoro
Isopropanol is solvent, with obtained collagen-chitosan hexafluoroisopropanol solution, as collagen spinning solution;
2) prepared by green plum ferment powder: ferment raw material being placed in fermentor after cleaned, high-temperature sterilization, chopping, is added
5%~10% white granulated sugar of ferment raw material gross weight, sealed fermenter and at room temperature fermentation 6~8 months, filters and passes through
Green plum ferment powder is made in vacuum freeze drying;
3) prepared by green plum ferment collagenous shreds: spinning head will be injected for collagen spinning solution, under the action of the centrifugal force,
Pore through spinning head is thrown away, and pore vertical direction is injected with the hot-air for carrying green plum ferment powder, under hot air acting,
Green plum ferment powder is adhered to collagen spinning solution surface layer, and the collagen spinning solution for being stained with green plum ferment powder is thin
Change, drying simultaneously solidify, and spun filament is made;
4) spun filament is collected, after vacuum freeze drying, green plum ferment collagenous shreds are made.
Preferably, collagen spinning solution includes the raw material of following weight proportion: 9~11 parts of collagen, chitosan 1~
2 parts, 88~90 parts of hexafluoroisopropanol.
Preferably, the ferment raw material is prepared by the raw material of following weight proportion: 35~45 parts of green plum, green plum leaf 15~25
Part, 8~10 parts of green plum stem skin, 8~16 parts of banana, 8~10 parts of pears, 5~8 parts of grape, 4~6 parts of apple, 3~4 parts of mulberry fruit.
Preferably, the revolving speed of spinning head described in step 3) is 5000~15000 revs/min, the hole of the pore of the spinning head
Diameter is 0.2~0.5 millimeter.
Preferably, the temperature of hot-air described in step 3) is 40~45 DEG C, and air velocity is 5~10 meter per seconds.
Preferably, the concentration of green plum ferment powder is 500~5000mg/L in step 3) hot-air.
Preferably, the temperature of vacuum freeze drying described in step 4) is -80~-60 DEG C, and air pressure is 2~5Pa, time 48
~72 hours.
Preferably, the green plum ferment collagenous shreds are used as beauty mask.
The purpose of the present invention is to provide a kind of green plum ferment in the process for fixation on collagen surface, utilizes centrifugal drying
During silk, green plum ferment is adhered to collagen table by means of the effect of hot-air being frozen among silk by collagen
Face, is allowed to immobilization, and obtained green plum ferment collagenous shreds can meet the requirement of facial mask fabric, and this method is simple, cost
Low, result is reliable, no pollution to the environment and injury, this is a central inventive point of the invention.
The preparation method of a kind of green plum ferment collagenous shreds disclosed by the invention, it has the advantage that: in centrifugal drying silk
In technical process, green plum ferment is adhered to the surface of collagenous shreds, obtained green plum ferment collagenous shreds can meet
The requirement of facial mask fabric, ferment is small with skin contact surface, and effect mitigates, and has the characteristics that long service life.
Specific embodiment
Below with reference to specific embodiment, a kind of preparation side of green plum ferment collagenous shreds described in the present patent application
Method.It should be appreciated that described herein, specific examples are only used to explain the present invention, is not intended to limit the present invention.
Embodiment 1
A kind of preparation method of green plum ferment collagenous shreds of the present invention, preparation method include the following:
1) prepared by collagen spinning solution: weighing collagen and chitosan by quality and is mixed, with hexafluoro isopropyl
Alcohol is solvent, with obtained collagen-chitosan hexafluoroisopropanol solution, as collagen spinning solution;
2) prepared by green plum ferment powder: ferment raw material being placed in fermentor after cleaned, high-temperature sterilization, chopping, is added
5% white granulated sugar of ferment raw material gross weight, sealed fermenter and at room temperature fermentation 6 months, is filtered and through vacuum refrigeration
Dry (temperature is -80 DEG C, air pressure 2Pa, and the time is 120 hours), is made green plum ferment powder;
3) prepared by green plum ferment collagenous shreds: will inject spinning head for collagen spinning solution, the revolving speed of spinning head is
5000 revs/min, under the action of the centrifugal force, the pore (aperture of pore is 0.2 millimeter) through spinning head is thrown away, pore vertical direction
It is injected with the hot-air for carrying green plum ferment powder, the concentration of green plum ferment powder is 500mg/L in hot-air, in hot-air
Under (temperature is 40 DEG C, and air velocity is 5 meter per seconds) effect, green plum ferment powder is adhered to collagen spinning solution surface layer, and viscous
It is refined, dries and solidifies with the collagen spinning solution of green plum ferment powder, spun filament is made;
4) spun filament is collected, after vacuum freeze drying (temperature is -80 DEG C, air pressure 2Pa, and the time is 48 hours), system
Obtain green plum ferment collagenous shreds.
Collagen spinning solution includes the raw material of following weight: collagen 9Kg, chitosan 1Kg, hexafluoroisopropanol
90Kg。
Ferment raw material by following weight raw material prepare: green plum 35Kg, green plum leaf 25Kg, green plum stem skin 8Kg, banana 8Kg,
Pears 10Kg, grape 5Kg, apple 6Kg, mulberry fruit 3Kg.
Green plum ferment collagenous shreds obtained by the present embodiment are used as beauty mask.
Embodiment 2
A kind of preparation method of green plum ferment collagenous shreds of the present invention, preparation method include the following:
1) prepared by collagen spinning solution: weighing collagen and chitosan by quality and is mixed, with hexafluoro isopropyl
Alcohol is solvent, with obtained collagen-chitosan hexafluoroisopropanol solution, as collagen spinning solution;
2) prepared by green plum ferment powder: ferment raw material being placed in fermentor after cleaned, high-temperature sterilization, chopping, is added
10% white granulated sugar of ferment raw material gross weight, sealed fermenter and at room temperature fermentation 8 months are filtered simultaneously cold through vacuum
Dry (temperature is -60 DEG C, air pressure 5Pa, and the time is 96 hours) is lyophilized, green plum ferment powder is made;
3) prepared by green plum ferment collagenous shreds: will inject spinning head for collagen spinning solution, the revolving speed of spinning head is
15000 revs/min, under the action of the centrifugal force, the pore (aperture of pore is 0.5 millimeter) through spinning head is thrown away, pore Vertical Square
To the hot-air for carrying green plum ferment powder is injected with, the concentration of green plum ferment powder is 5000mg/L in hot-air, hot empty
Under gas (temperature is 45 DEG C, and air velocity is 10 meter per seconds) effect, green plum ferment powder is adhered to collagen spinning solution surface layer,
And the collagen spinning solution for being stained with green plum ferment powder is refined, dries and solidifies, and spun filament is made;
4) spun filament is collected, after vacuum freeze drying (temperature is -60 DEG C, air pressure 5Pa, and the time is 72 hours), system
Obtain green plum ferment collagenous shreds.
Collagen spinning solution includes the raw material of following weight: collagen 11Kg, chitosan 2Kg, hexafluoroisopropanol
87Kg。
Ferment raw material is prepared by the raw material of following weight: green plum 44Kg, green plum leaf 15Kg, green plum stem skin 10Kg, banana
10Kg, pears 8Kg, grape 6Kg, apple 4Kg, mulberry fruit 3Kg.
Green plum ferment collagenous shreds obtained by the present embodiment are used as beauty mask.
Embodiment 3
A kind of preparation method of green plum ferment collagenous shreds of the present invention, preparation method include the following:
1) prepared by collagen spinning solution: weighing collagen and chitosan by quality and is mixed, with hexafluoro isopropyl
Alcohol is solvent, with obtained collagen-chitosan hexafluoroisopropanol solution, as collagen spinning solution;
2) prepared by green plum ferment powder: ferment raw material being placed in fermentor after cleaned, high-temperature sterilization, chopping, is added
8% white granulated sugar of ferment raw material gross weight, sealed fermenter and at room temperature fermentation 7 months, is filtered and through vacuum refrigeration
Dry (temperature is -70 DEG C, air pressure 3Pa, and the time is 72 hours), is made green plum ferment powder;
3) prepared by green plum ferment collagenous shreds: will inject spinning head for collagen spinning solution, the revolving speed of spinning head is
10000 revs/min, under the action of the centrifugal force, the pore (aperture of pore is 0.3 millimeter) through spinning head is thrown away, pore Vertical Square
To the hot-air for carrying green plum ferment powder is injected with, the concentration of green plum ferment powder is 2000mg/L in hot-air, hot empty
Under gas (temperature is 42 DEG C, and air velocity is 8 meter per seconds) effect, green plum ferment powder is adhered to collagen spinning solution surface layer, and
The collagen spinning solution for being stained with green plum ferment powder is refined, dries and solidifies, and spun filament is made;
4) spun filament is collected, after vacuum freeze drying (temperature is -70 DEG C, air pressure 3Pa, and the time is 60 hours), system
Obtain green plum ferment collagenous shreds.
Collagen spinning solution includes the raw material of following weight: collagen 10Kg, chitosan 1.5Kg, hexafluoroisopropanol
88.5Kg。
Ferment raw material by following weight raw material prepare: green plum 40Kg, green plum leaf 20Kg, green plum stem skin 9Kg, banana 9Kg,
Pears 9Kg, grape 5Kg, apple 5Kg, mulberry fruit 3Kg.
Green plum ferment collagenous shreds obtained by the present embodiment are used as beauty mask.
Claims (6)
1. a kind of preparation method of green plum ferment collagenous shreds, which is characterized in that its preparation method includes the following:
1) prepared by collagen spinning solution: weighing collagen and chitosan by quality proportioning and is mixed, with hexafluoro isopropyl
Alcohol is solvent, with obtained collagen-chitosan hexafluoroisopropanol solution, as collagen spinning solution;
2) prepared by green plum ferment powder: ferment raw material being placed in fermentor after cleaned, high-temperature sterilization, chopping, ferment is added
5%~10% white granulated sugar of raw material gross weight, sealed fermenter and at room temperature fermentation 6~8 months, is filtered and through vacuum
Green plum ferment powder is made in freeze-drying;
3) prepared by green plum ferment collagenous shreds: collagen spinning solution being injected spinning head, under the action of the centrifugal force, through being centrifuged
The pore of head is thrown away, and pore vertical direction is injected with the hot-air for carrying green plum ferment powder, under hot air acting, green plum ferment
Plain powder is adhered to collagen spinning solution surface layer, and the collagen spinning solution for being stained with green plum ferment powder is refined, does
It is dry and solidify, spun filament is made;The temperature of the hot-air is 40~45 DEG C, and air velocity is 5~10 meter per seconds, in hot-air
The concentration of green plum ferment powder is 500~5000mg/L;
4) spun filament is collected, after vacuum freeze drying, green plum ferment collagenous shreds are made.
2. a kind of preparation method of green plum ferment collagenous shreds according to claim 1, which is characterized in that the collagen
Albumen spinning solution includes the raw material of following weight proportion: 9~11 parts of collagen, 1~2 part of chitosan, hexafluoroisopropanol 88~
90 parts.
3. a kind of preparation method of green plum ferment collagenous shreds according to claim 1, which is characterized in that the ferment
Raw material is prepared by the raw material of following weight proportion: 35~45 parts of green plum, 15~25 parts of green plum leaf, 8~10 parts of green plum stem skin, banana
8~16 parts, 8~10 parts of pears, 5~8 parts of grape, 4~6 parts of apple, 3~4 parts of mulberry fruit.
4. a kind of preparation method of green plum ferment collagenous shreds according to claim 1, which is characterized in that step 3) institute
The revolving speed for stating spinning head is 5000~15000 revs/min, and the aperture of the pore of the spinning head is 0.2~0.5 millimeter.
5. a kind of preparation method of green plum ferment collagenous shreds according to claim 1, which is characterized in that step 2 or
The temperature of vacuum freeze drying described in step 4) is -80~-60 DEG C, and air pressure is 2~5Pa, and the time is 48~120 hours.
6. a kind of preparation method of green plum ferment collagenous shreds according to claim 1, which is characterized in that the green plum
Ferment collagenous shreds are used as beauty mask.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611122372.7A CN106637484B (en) | 2016-12-08 | 2016-12-08 | A kind of preparation method of green plum ferment collagenous shreds |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611122372.7A CN106637484B (en) | 2016-12-08 | 2016-12-08 | A kind of preparation method of green plum ferment collagenous shreds |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106637484A CN106637484A (en) | 2017-05-10 |
CN106637484B true CN106637484B (en) | 2019-01-22 |
Family
ID=58819218
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201611122372.7A Active CN106637484B (en) | 2016-12-08 | 2016-12-08 | A kind of preparation method of green plum ferment collagenous shreds |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106637484B (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1944724A (en) * | 2006-10-11 | 2007-04-11 | 东华大学 | Method for preparing collagen protein and chitosan composite nano fibre and film electro static spinning |
CN102797074A (en) * | 2012-08-02 | 2012-11-28 | 东华大学 | Method for preparing natural material-liposome composite nanofiber based on electrostatic spinning technology |
CN103184570A (en) * | 2013-04-09 | 2013-07-03 | 苏州维赛生物医药有限公司 | Silk-fibroin-based antibacterial nanofiber and preparation method thereof |
CN103230617A (en) * | 2013-04-24 | 2013-08-07 | 四川大学 | Collagen/chitosan micro-nano fiber composite hemostatic membrane material and preparation method thereof |
CN105246469A (en) * | 2013-03-12 | 2016-01-13 | 活性纤维有限公司 | Nanofibre and bioactive compositions and related methods |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102670415A (en) * | 2012-04-20 | 2012-09-19 | 费兰克·K·高 | Nano fiber paper mask |
CN103947973A (en) * | 2014-05-12 | 2014-07-30 | 武汉益身健康科技有限公司 | Preparation method of face-beautifying weight-reducing fruit enzyme |
-
2016
- 2016-12-08 CN CN201611122372.7A patent/CN106637484B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1944724A (en) * | 2006-10-11 | 2007-04-11 | 东华大学 | Method for preparing collagen protein and chitosan composite nano fibre and film electro static spinning |
CN100535212C (en) * | 2006-10-11 | 2009-09-02 | 东华大学 | Method for preparing collagen protein and chitosan composite nano fibre and film electro static spinning |
CN102797074A (en) * | 2012-08-02 | 2012-11-28 | 东华大学 | Method for preparing natural material-liposome composite nanofiber based on electrostatic spinning technology |
CN105246469A (en) * | 2013-03-12 | 2016-01-13 | 活性纤维有限公司 | Nanofibre and bioactive compositions and related methods |
CN103184570A (en) * | 2013-04-09 | 2013-07-03 | 苏州维赛生物医药有限公司 | Silk-fibroin-based antibacterial nanofiber and preparation method thereof |
CN103230617A (en) * | 2013-04-24 | 2013-08-07 | 四川大学 | Collagen/chitosan micro-nano fiber composite hemostatic membrane material and preparation method thereof |
Also Published As
Publication number | Publication date |
---|---|
CN106637484A (en) | 2017-05-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2015085633A1 (en) | Hydrogel based on γ-polyglutamic acid and ε-polylysine crosslinked polymer, and preparation method therefor | |
CN110269955B (en) | Preparation method of tussah silk fibroin/aloe gel composite dressing | |
CN104826506A (en) | Beta-cyclodextrin grafted polymer chiral separation membrane and preparation method thereof | |
CN101461852A (en) | Method for preparing super fine powder of rose | |
CN105088540A (en) | Method for preparing nano fibroin material on basis of tyrosinase/polyphenol medium | |
CN103965310A (en) | Self-assembling method for preparing fibroin microspheres | |
CN102978268A (en) | Method for preparing egg albumin polypeptide from egg albumin powder by enzymic method | |
CN102228125B (en) | Preparation method of algal active peptide | |
CN101869149A (en) | Method for producing bacterial powder for preparing sour liquid bean curd | |
CN107012191B (en) | Preparation method and device of polypeptide with controllable molecular weight range | |
CN106637484B (en) | A kind of preparation method of green plum ferment collagenous shreds | |
CN102430414A (en) | Zirconium-based magnetic solid superacid catalyst, its preparation and method for preparing levoglucose ketone by catalytic pyrolysis of cellulose or biomass | |
CN113174702B (en) | Preparation method and application of polylactic acid/chitosan/honeysuckle chlorogenic acid nanofiber membrane | |
CN108865155A (en) | A kind of preparation method of long-acting sand-consolidating agent | |
CN102585460A (en) | Chitosan-polycaprolactone porous composite and preparation method thereof | |
CN102532206A (en) | Method for preparing levoglucose ketone through catalyzing and pyrolyzing cellulose by utilizing solid phosphoric acid | |
CN104761655A (en) | Method for extracting sea mushroom polysaccharide from sea mushroom leftovers | |
KR102527600B1 (en) | Manufacturing methods of microspheres for fillers using medical biodegradable polymers | |
CN111642610A (en) | Physical wall-breaking method for fresh hemp flowers and leaves | |
CN105879101B (en) | Outer compress material of a kind of feather keratin base boiomacromolecule and preparation method thereof | |
CN110151566A (en) | A kind of skin care freeze-dried powder of the polypeptide containing pigskin collagen and its preparation | |
CN105879102B (en) | A kind of feather keratin grafting alginic acid sponge dressing and preparation method thereof | |
CN106821772B (en) | Preparation method of network interpenetrating surface film base material | |
CN108659097A (en) | The preparation process of peptone is made using fresh feather as raw material | |
CN106757499B (en) | A kind of preparation method of green plum ferment Protein filament |
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 | ||
GR01 | Patent grant | ||
GR01 | Patent grant |