CN106509137A - Making method of milk powder - Google Patents
Making method of milk powder Download PDFInfo
- Publication number
- CN106509137A CN106509137A CN201610980764.0A CN201610980764A CN106509137A CN 106509137 A CN106509137 A CN 106509137A CN 201610980764 A CN201610980764 A CN 201610980764A CN 106509137 A CN106509137 A CN 106509137A
- Authority
- CN
- China
- Prior art keywords
- milk
- milk powder
- concentrated
- manufacture method
- powder according
- 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
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
- A23C9/00—Milk preparations; Milk powder or milk powder preparations
- A23C9/16—Agglomerating or granulating milk powder; Making instant milk powder; Products obtained thereby
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
- A23C9/00—Milk preparations; Milk powder or milk powder preparations
- A23C9/152—Milk preparations; Milk powder or milk powder preparations containing additives
Abstract
The present invention provides a method for manufacturing the milk powder. The method comprises the following steps: (1) pretreating raw milk; (2) dissolving ingredients in water, fully stirring them evenly to obtain an ingredient solution; (3) mixing the treated raw milk and the ingredient solution uniformly to obtain a mixed solution; (4) homogenizing the mixed solution, and then conducting sterilization and concentration to obtain concentrated milk; and (5) then adding glutamine transaminase accounting for 0.02-0.08% of the mass of the concentrated milk, stirring the substances evenly, and keeping reaction, and then performing spray drying to obtain milk powder. The method provided by the invention uses glutamine transaminase to replace a thickening agent, and protein reacts to generate a grid structure, so that after brewing the milk powder, the milk liquid has suspension function, the anti-precipitation effect of the milk liquid obtained by brewing of the milk powder can be significantly improved. By adding sodium citrate, the stability of concentrated milk can be increased, the action time of glutamine transaminase is shortened, and its action effect is increased. The method provided by the invention provides a new solution for precipitation prevention of milk powder.
Description
Technical field
The invention belongs to food technology field, and in particular to a kind of manufacture method of milk powder.
Background technology
Milk powder is, with raw milk as raw material, to remove moisture in breast with freezing or the method for heating, add or without food additive
Plus agent and nutrition fortifier and the reconstituted food be processed into.With the raising of health of people nutrition consciousness and to product special flavour
Diversified demand, occurs in that increasing fortification modified milk powder new product on the market.These milk powder new products due to
Some compositions for improving product nutritive value or local flavor are with the addition of, it is deep to be liked by consumer.But if these materials of addition
In some be insoluble composition, when dissolving is reconstituted, cup bottom would generally be formed some precipitation, can not only bring consumer
Bad reconstitutes consumption experience, and the milk nutrition after causing to reconstitute is uneven.
There is precipitation to prevent or reducing milk after milk-powder brewing, can not be completely dissolved except trying one's best without or adding less
Composition outside, conventional method be addition thickener come prevent precipitation.Conventional food thickening agent have gelatin, casein sodium,
Arabic gum, sodium alginate, carragheen, pectin, xanthans, sodium carboxymethylcellulose and propylene glycol alginate (PGA) etc..Thickening
Agent prevents the principle for precipitating, be by improving the viscosity of milk preventing the decline of insoluble composition, it is less heavy so as to reach
The purpose in shallow lake.When thickener addition is less, the viscosity B coefficent of milk is not obvious, and anti-sedimentation effect is undesirable.If reached
To preferable anti-sedimentation effect, it usually needs the more thickener of addition is so that the viscosity of milk is improved to a certain extent, but together
When but can affect products taste because of greatly improving for viscosity, or even produce the ill effect eked out a living.It is anti-settling using thickener
Form sediment and simply slow down the decline process of insoluble composition, and thickener is also possible to degrade and cause viscosity to reduce, therefore with
The prolongation of time, the phenomenon for still easily occurring sediment increase during production and storage.
The content of the invention
The purpose of the present invention is for adding the phenomenon easily precipitated after insoluble composition in current milk powder, there is provided a kind of
The manufacture method of milk powder.
The present invention is by adding a kind of enzyme-glutamine transaminage in milk powder manufacture process.Glutamine transaminage (letter
Claim TG enzymes), the monomeric protein acyltransferase at the active center of the molecular weight about 38000 being made up of 331 amino,
Reaction is crosslinked because it can be catalyzed between specific protein, make protein-modified and modified protein its plasticity,
Retentiveness, water solubility and functional performance are improved.
The invention provides a kind of manufacture method of milk powder, the method is comprised the following steps：
(1) raw milk pretreatment；
(2) it is dispensing is soluble in water, stir, obtain ingredients solution；
(3) raw milk after process is well mixed with ingredients solution, obtains mixed solution；
(4), after by mixed solution homogeneous, sterilization is concentrated to give concentrated milk；
(5) glutamine transaminage is added and then in the ratio of the 0.02-0.08% of concentrated milk's mass, is stirred and is protected
Reaction is held, milk powder after spray drying, is obtained.
The inventive method carries out glutamine transaminage ferment treatment to dense milk before spray drying, and egg occurs in making concentrated milk
Between white matter molecule or within crosslinking, between protein and amino acid connection and protein molecule in glutamine residue water
Solution reaction, makes protein molecular structure change, makes protein molecule change from small to big, and form protein network, from
And milk has suspension function after making milk-powder brewing, sludge proof purpose is reached.
Further, raw milk is carried out into naked eyes evaluation, physical and chemical inspection in step (1), it is qualified after carry out again filtering, only
Change, cool down.Qualified raw milk is selected to carry out filtration, purification, to remove mechanical admixture and miscellaneous bacteria microorganism.
Further, the dispensing in step (2) includes sodium citrate, and the addition of sodium citrate is 0.1-0.5%.Addition
Sodium citrate lemon there is good water solubility, there is excellent sequestering power to metal ions such as the Ca ions in water, with stable
The effect of concentrated milk.
Dispensing in step (2) includes calcium carbonate, and the addition of calcium carbonate is 0.8-1.8%.
Further, the dispensing in step (2) includes vitamin C, vitamin E；Ascorbic addition is 0.03-
0.1%, the addition of vitamin E is 0.01-0.03%.
Further, in step (4), the condition of mixed solution homogeneous is：Using double-stage homogenization method, the temperature of homogeneous is 55-
60 DEG C, one-level homogenization pressure is 15-18MPa, and double-stage homogenization pressure is 3-5MPa.Homogeneous is exactly all of dispensing and raw milk
Central fat, albumen fairly evenly can be dispersed in the middle of product through homogenizing process.After homogeneous, fat globule diminishes, so as to
Fat floating can be effectively prevented, and be easy to digest and assimilate.
Further, in step (4), sterilization temperature is 90-93 DEG C, and sterilizing time is 20-25s；Using quadruple effect vacuum falling film
Concentration method is concentrated, and is concentrated into solid concentration for 45-48%.The conventional method for disinfection of raw milk is more.Can be according to itself
Characteristic select suitable method for disinfection.Jing carries out sterilization to raw milk frequently with high temperature short time at present, using the party
The nutrient component damages of method raw milk are less, and the physicochemical property of milk powder is preferable.Carry out reducing pressure in cold boiler/concentrated in vacuo,
To remove most of moisture in mixed solution.
Further, in step (5), before adding glutamine transaminage, the temperature of concentrated milk is adjusted to 45-65 DEG C.
At 45-65 DEG C, the activity of glutamine transaminage is most strong, specifically can crosslink instead between protein in catalyzed condensation milk
Should, make protein-modified.
Further, stir and keep to react 10- after adding glutamine transaminage in the concentrated milk of step (5)
30min.After reaction a period of time so that all protein of concentrated milk reacts to form network.
Further, concentrated milk's temperature is increased to 70-75 DEG C in step (5) to be spray-dried again；It is spray-dried
EAT is 180-190 DEG C, temperature of outgoing air is 75-80 DEG C, pressure is 240-260bar.Still contain more water in concentrated milk
Point, it is necessary to milk powder can be just obtained after spray-dried；Cool down after drying, in case fat is separated；Then pack by after sieving.
Beneficial effects of the present invention are：Milk powder manufacture method of the present invention replaces thickener using glutamine transaminage, leads to
Cross the effect of glutamine transaminage so that albumen qualitative response generates network, so that milk is with outstanding after milk-powder brewing
Floating function, can significantly improve the anti-sedimentation effect of milk after milk-powder brewing；Can increase concentrated milk's by adding sodium citrate
Stability, the action time for shortening glutamine transaminage simultaneously increase its action effect.Anti- precipitation of the inventive method for milk powder
There is provided new solution route.
Specific embodiment
Embodiment of the present invention is described in detail with reference to embodiment, but those skilled in the art will manage
Solution, the following example are merely to illustrate the present invention, and are not construed as limiting the scope of the present invention.
Embodiment 1
A kind of manufacture method of milk powder is comprised the following steps：
(1) raw milk pretreatment：Raw milk is carried out into naked eyes evaluation, physical and chemical inspection according to a conventional method, it is qualified after carry out again
Filter, purify, cool down, it is standby；
The examination of raw material, primarily determines that it is qualified milk, then filtration, purification, and mechanical admixture and some bacteriums are rejected
Fall.
(2) it is dispensing is soluble in water, stir, obtain ingredients solution；
Dispensing is added in 40-50 DEG C of water, is stirred.During dispensing, equipment used mainly has pill tank, water
Powder mixer and heater.According to the requirement of formula, micro-, the various auxiliary material of required addition is added as matching somebody with somebody
Material.
(3) raw milk after process is well mixed with ingredients solution, obtains mixed solution；By the raw milk after process with
Ingredients solution is 1 in mass ratio：0.1-1 is mixed.
(4), after by mixed solution homogeneous, sterilization is concentrated to give concentrated milk；
Using double-stage homogenization method, the temperature of homogeneous is 55 DEG C, and wherein one-level homogenization pressure is 15MPa, double-stage homogenization pressure
For 3MPa.Sterilization temperature is 90 DEG C, and sterilizing time is 20s.Concentration is concentrated into solid content dense using quadruple effect vacuum falling film concentration method
Spend for 45% (wt).
(5) temperature of gained concentrated milk after concentration is adjusted to 45 DEG C, is added in the 0.02%wt ratios of concentrated milk's mass
Glutamine transaminage, stirs and keeps to react 30min, milk powder is obtained after spray drying.
Milk powder obtained above forms more homogeneous solution after reconstituting, and deposited phenomenon does not also occur after placing 5h.
Embodiment 2
A kind of manufacture method of milk powder is comprised the following steps：
(1) raw milk pretreatment：Raw milk is carried out into naked eyes evaluation, physical and chemical inspection according to a conventional method, it is qualified after carry out again
Filter, purify, cool down, it is standby；
The examination of raw material, primarily determines that it is qualified milk, then filtration, purification, and mechanical admixture and some bacteriums are rejected
Fall.
(2) it is dispensing is soluble in water, stir, obtain ingredients solution；
Dispensing is added in 40-50 DEG C of water, is stirred.During dispensing, equipment used mainly has pill tank, water
Powder mixer and heater.According to the requirement of formula, the microorganism of required addition, trace element, various auxiliary material additions
Enter as a dispensing.
(3) raw milk after process is well mixed with ingredients solution, obtains mixed solution；By the raw milk after process with
Ingredients solution is 1 in mass ratio：0.1-1 is mixed.
(4), after by mixed solution homogeneous, sterilization is concentrated to give concentrated milk；
Using double-stage homogenization method, the temperature of homogeneous is 60 DEG C, and wherein one-level homogenization pressure is 18MPa, double-stage homogenization pressure
For 5MPa.Sterilization temperature is 93 DEG C, and sterilizing time is 25s.Concentration is concentrated into solid content dense using quadruple effect vacuum falling film concentration method
Spend for 48% (wt).
(5) temperature of gained concentrated milk after concentration is adjusted to 65 DEG C, is added in the 0.08%wt ratios of concentrated milk's mass
Glutamine transaminage, stirs and keeps to react 20min, milk powder is obtained after spray drying.
Milk powder obtained above forms more homogeneous solution after reconstituting, and deposited phenomenon does not also occur after placing 5h.
Embodiment 3
A kind of manufacture method of milk powder is comprised the following steps：
(1) raw milk pretreatment：Raw milk is carried out into naked eyes evaluation, physical and chemical inspection according to a conventional method, it is qualified after carry out again
Filter, purify, cool down, it is standby；
The examination of raw material, primarily determines that it is qualified milk, then filtration, purification, and mechanical admixture and some bacteriums are rejected
Fall.
(2) it is dispensing is soluble in water, stir, obtain ingredients solution；
Dispensing is added in 40-50 DEG C of water, is stirred.During dispensing, equipment used mainly has pill tank, water
Powder mixer and heater.According to the requirement of formula, the microorganism of required addition, trace element, various auxiliary material additions
Enter as a dispensing.
Here vitamin C, vitamin E are included in dispensing, other dispensings can also be added as needed on.Vitamin C
Addition be 0.03-0.1%, the addition of vitamin E is 0.01-0.03%.
Sodium citrate is included in dispensing also, the addition of sodium citrate is 0.1%.
(3) raw milk after process is well mixed with ingredients solution, obtains mixed solution；By the raw milk after process with
Ingredients solution is 1 in mass ratio：0.1-1 is mixed.
(4), after by mixed solution homogeneous, sterilization is concentrated to give concentrated milk；Dispensing sodium citrate in concentrated milk is good
Acidity buffer and metal ion chelation agent, increased the stability of concentrated milk.
(5) temperature of gained concentrated milk after concentration is adjusted to 50 DEG C, is added in the 0.05%wt ratios of concentrated milk's mass
Glutamine transaminage, stirs and keeps to react 12min, milk powder is obtained after spray drying.
Milk powder obtained above forms homogeneous solution after reconstituting, and deposited phenomenon does not also occur after placing 10h.Addition
Sodium citrate, can substantially shorten the action time of protein in glutamine transaminage and concentrated milk.
Embodiment 4
A kind of manufacture method of milk powder, by taking high-calcium milk powder as an example, comprises the following steps：
(1) raw milk pretreatment：Raw milk is carried out into naked eyes evaluation, physical and chemical inspection according to a conventional method, it is qualified after carry out again
Filter, purify, cool down, it is standby；
The examination of raw material, primarily determines that it is qualified milk, then filtration, purification, and mechanical admixture and some bacteriums are rejected
Fall.
(2) it is dispensing is soluble in water, stir, obtain ingredients solution；
Dispensing is added in 40-50 DEG C of water, is stirred.During dispensing, equipment used mainly has pill tank, water
Powder mixer and heater.According to the requirement of formula, the microorganism of required addition, trace element, various auxiliary material additions
Enter as a dispensing.
Here calcium carbonate, vitamin C, vitamin E are included in dispensing, other dispensings can also be added as needed on.
Wherein the addition of calcium carbonate is 0.8-1.8%；Ascorbic addition is 0.03-0.1%, and the addition of vitamin E is
0.01-0.03%.
Sodium citrate is included in dispensing also, the addition of sodium citrate is 0.5%.
(3) raw milk after process is well mixed with ingredients solution, obtains mixed solution；By the raw milk after process with
Ingredients solution is 1 in mass ratio：0.1-1 is mixed.
(4), after by mixed solution homogeneous, sterilization is concentrated to give concentrated milk；Dispensing sodium citrate in concentrated milk is good
Acidity buffer and metal ion chelation agent, increased the stability of concentrated milk.
(5) temperature of gained concentrated milk after concentration is adjusted to 50 DEG C, is added in the 0.05%wt ratios of concentrated milk's mass
Glutamine transaminage, stirs and keeps to react 10min, milk powder is obtained after spray drying.
Milk powder obtained above forms homogeneous solution after reconstituting, and deposited phenomenon does not also occur after placing 12h.Addition
Sodium citrate, can substantially shorten the action time of protein in glutamine transaminage and concentrated milk.
Presently preferred embodiments of the present invention is the foregoing is only, it is not to limit the present invention, all in essence of the invention
Any modification, equivalent and simple modifications for being made in content etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of manufacture method of milk powder, it is characterised in that the method is comprised the following steps：
(1) raw milk pretreatment；
(2) it is dispensing is soluble in water, stir, obtain ingredients solution；
(3) raw milk after process is well mixed with ingredients solution, obtains mixed solution；
(4), after by mixed solution homogeneous, sterilization is concentrated to give concentrated milk；
(5) glutamine transaminage is added and then in the ratio of concentrated milk's mass 0.02-0.08%, is stirred and is kept and be anti-
Should, milk powder is obtained after spray drying.
2. the manufacture method of milk powder according to claim 1, it is characterised in that raw milk is carried out sense organ in (1) by step
Identification, physical and chemical inspection, it is qualified after carry out again filtering, purify, cool down.
3. the manufacture method of milk powder according to claim 1, it is characterised in that the dispensing in step (2) includes citric acid
Sodium, the addition 0.1-0.5% of sodium citrate.
4. the manufacture method of milk powder according to claim 1, it is characterised in that the dispensing in step (2) includes calcium carbonate,
The addition of calcium carbonate is 0.8-1.8%.
5. the manufacture method of milk powder according to claim 1, it is characterised in that the dispensing in step (2) includes vitamin
C, vitamin E；Ascorbic addition is 0.03-0.1%, and the addition of vitamin E is 0.01-0.03%.
6. the manufacture method of milk powder according to claim 1, it is characterised in that the homogeneous bar of mixed solution in step (4)
Part is：Using double-stage homogenization method, the temperature of homogeneous is 55-60 DEG C, and one-level homogenization pressure is 15-18MPa, and double-stage homogenization pressure is
3-5MPa。
7. the manufacture method of milk powder according to claim 1, it is characterised in that sterilization temperature is 90-93 in step (4)
DEG C, sterilizing time is 20-25s, is concentrated using quadruple effect vacuum falling film concentration method, is concentrated into solid concentration for 45-48%.
8. the manufacture method of milk powder according to claim 1, it is characterised in that in step (5), adds glutamine to turn ammonia
Before enzyme, the temperature of concentrated milk is adjusted to 45-65 DEG C.
9. the manufacture method of milk powder according to claim 1, it is characterised in that paddy ammonia is added in the concentrated milk of step (5)
Stir and keep to react 10-30min after amide transaminase.
10. the manufacture method of milk powder according to claim 1, it is characterised in that by the temperature liter of concentrated milk in step (5)
Up to 70-75 DEG C is spray-dried again；The EAT of spray drying is 180-190 DEG C, temperature of outgoing air is 75-80 DEG C, pressure
Power is 240-260bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610980764.0A CN106509137A (en) | 2016-11-08 | 2016-11-08 | Making method of milk powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610980764.0A CN106509137A (en) | 2016-11-08 | 2016-11-08 | Making method of milk powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106509137A true CN106509137A (en) | 2017-03-22 |
Family
ID=58350238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610980764.0A Pending CN106509137A (en) | 2016-11-08 | 2016-11-08 | Making method of milk powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106509137A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110313520A (en) * | 2018-03-30 | 2019-10-11 | 中国农业大学 | Yoghourt and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03160957A (en) * | 1989-11-17 | 1991-07-10 | Ajinomoto Co Inc | Modified milk protein-containing material |
| CN1347657A (en) * | 2000-10-10 | 2002-05-08 | 味之素株式会社 | Modifying method for raw milk and dairy products with modified raw milk |
| CN102106388A (en) * | 2009-12-23 | 2011-06-29 | 光明乳业股份有限公司 | Acidic milk powder and preparation method thereof |
| WO2014113499A1 (en) * | 2013-01-15 | 2014-07-24 | Glanbia Nutritionals (Ireland) Ltd. | Method for improving viscosity, solubility, and particle size of milk protein concentrates |
-
2016
- 2016-11-08 CN CN201610980764.0A patent/CN106509137A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03160957A (en) * | 1989-11-17 | 1991-07-10 | Ajinomoto Co Inc | Modified milk protein-containing material |
| CN1347657A (en) * | 2000-10-10 | 2002-05-08 | 味之素株式会社 | Modifying method for raw milk and dairy products with modified raw milk |
| CN102106388A (en) * | 2009-12-23 | 2011-06-29 | 光明乳业股份有限公司 | Acidic milk powder and preparation method thereof |
| WO2014113499A1 (en) * | 2013-01-15 | 2014-07-24 | Glanbia Nutritionals (Ireland) Ltd. | Method for improving viscosity, solubility, and particle size of milk protein concentrates |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110313520A (en) * | 2018-03-30 | 2019-10-11 | 中国农业大学 | Yoghourt and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104304451B (en) | Brownish lactobacillus beverage stabilizer and preparation method thereof, and sterilization-type brown lactobacillus beverage and preparation method thereof | |
| CN103891895B (en) | Liquid diary product containing ground dragon protein and preparation method thereof | |
| KR100308533B1 (en) | Manufacturing Method and Products of Lactic Acid Bacteria Beverage | |
| TWI234433B (en) | Method for producing acidic milk beverages | |
| AU694579B2 (en) | Calcium-enriched drink and method for producing the same | |
| CN103385302B (en) | Banana milk and preparation method thereof | |
| CN102422888A (en) | Method for producing low lactose modification milk by EHT | |
| CN110786388A (en) | Milk powder for promoting growth of children and preparation method thereof | |
| CN106819856A (en) | A kind of pudding and preparation method thereof | |
| EP2833723B1 (en) | Stable fermented milk products and methods | |
| CN104366392A (en) | Processing method of sugar-free preserved green plums | |
| CN104585316A (en) | Brown lactic acid bacteria drink and preparation process thereof | |
| CN106509137A (en) | Making method of milk powder | |
| CN108770929A (en) | A kind of drinking yoghourt is stabilizing agent specially used and its applies | |
| CN106720349A (en) | A kind of chocolate milk drink and preparation method thereof | |
| CN101258874A (en) | Lactobacillus beverage stabilizing agent and lactobacillus beverage containing the same | |
| CN108244255A (en) | A kind of milk drink and preparation method thereof | |
| CN108739990A (en) | A kind of fruits and vegetables bacteriostasis, preservation spray and preparation method thereof | |
| CN108783425A (en) | The production method of matrimony vine ferment and matrimony vine enzyme food | |
| CN107411000A (en) | A kind of passion fruit jelly and preparation method thereof | |
| CN108935841A (en) | A kind of coconut jasmine tea and preparation method thereof | |
| KR20100111773A (en) | Composition for accelerating fermentation | |
| CN114788539B (en) | Cold material defoaming method in pasteurized fermented milk processing process and application thereof | |
| CN107373230A (en) | A kind of lemon oligosaccharide sour milk beverage | |
| CN113100292B (en) | Temperature difference mixing preparation process for multi-strain stepwise fermentation of carbonated beverage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | 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 |
Application publication date: 20170322 |
|
| RJ01 | Rejection of invention patent application after publication |