CN105746697A - Plant-derived fruit preservative, preparation method and insurance method - Google Patents
Plant-derived fruit preservative, preparation method and insurance method Download PDFInfo
- Publication number
- CN105746697A CN105746697A CN201610164727.2A CN201610164727A CN105746697A CN 105746697 A CN105746697 A CN 105746697A CN 201610164727 A CN201610164727 A CN 201610164727A CN 105746697 A CN105746697 A CN 105746697A
- Authority
- CN
- China
- Prior art keywords
- extract
- antistaling agent
- plant source
- fruit
- fruit antistaling
- 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
- 235000013399 edible fruits Nutrition 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title abstract description 8
- 239000003755 preservative agent Substances 0.000 title abstract description 6
- 230000002335 preservative effect Effects 0.000 title abstract description 6
- 239000000284 extract Substances 0.000 claims abstract description 28
- 241000628997 Flos Species 0.000 claims abstract description 16
- 239000009636 Huang Qi Substances 0.000 claims abstract description 16
- 229920002472 Starch Polymers 0.000 claims abstract description 16
- 238000002156 mixing Methods 0.000 claims abstract description 16
- 239000000203 mixture Substances 0.000 claims abstract description 16
- 235000019698 starch Nutrition 0.000 claims abstract description 16
- 239000008107 starch Substances 0.000 claims abstract description 16
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000004321 preservation Methods 0.000 claims abstract description 8
- MKJXYGKVIBWPFZ-UHFFFAOYSA-L calcium lactate Chemical compound [Ca+2].CC(O)C([O-])=O.CC(O)C([O-])=O MKJXYGKVIBWPFZ-UHFFFAOYSA-L 0.000 claims abstract description 7
- 229960002401 calcium lactate Drugs 0.000 claims abstract description 7
- 239000001527 calcium lactate Substances 0.000 claims abstract description 7
- 235000011086 calcium lactate Nutrition 0.000 claims abstract description 7
- 238000002791 soaking Methods 0.000 claims abstract description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 33
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 16
- 238000010992 reflux Methods 0.000 claims description 10
- 238000004090 dissolution Methods 0.000 claims description 5
- 239000003814 drug Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 238000005138 cryopreservation Methods 0.000 claims description 4
- 239000012141 concentrate Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 241000207965 Acanthaceae Species 0.000 abstract 1
- 244000223014 Syzygium aromaticum Species 0.000 abstract 1
- 235000016639 Syzygium aromaticum Nutrition 0.000 abstract 1
- 235000019206 astragalus extract Nutrition 0.000 abstract 1
- 238000005303 weighing Methods 0.000 abstract 1
- 241000196324 Embryophyta Species 0.000 description 19
- 238000001035 drying Methods 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 244000052769 pathogen Species 0.000 description 3
- 230000001717 pathogenic effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 235000005979 Citrus limon Nutrition 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 235000012055 fruits and vegetables Nutrition 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 244000248349 Citrus limon Species 0.000 description 1
- 244000131522 Citrus pyriformis Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000000035 biogenic effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000000855 fungicidal effect Effects 0.000 description 1
- 239000000417 fungicide Substances 0.000 description 1
- 230000001408 fungistatic effect Effects 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000957 no side effect Toxicity 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000000419 plant extract Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B7/00—Preservation or chemical ripening of fruit or vegetables
- A23B7/14—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10
- A23B7/153—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of liquids or solids
- A23B7/154—Organic compounds; Microorganisms; Enzymes
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
Abstract
The invention discloses a botanical fruit preservative, a preparation method and a preservation method, wherein the fruit preservative comprises clove extract, astragalus extract, acanthaceae extract, edible starch 9. The preparation method comprises the following steps: 1) mixing flos Caryophylli extract, radix astragali extract and herba Rostellulariae extract at a certain proportion; 2) adding citric acid into the mixture obtained in the step 1 according to a metering ratio, and uniformly mixing; 3) respectively adding calcium lactate into the mixture obtained in the step 2 according to a metering ratio, and uniformly mixing; 4) weighing starch according to a metering ratio, dissolving the starch with a small amount of water, adding the dissolved starch into the mixture obtained in the step 3, and uniformly mixing; 5) water was added to the batch. The insurance method comprises the following steps: soaking fruits in the fresh-keeping solution for 1. The fruit preservative has simple components and reasonable, healthy, safe and efficient component proportion.
Description
Technical field
The present invention relates to the fruit antistaling agent of a kind of plant source, the invention still further relates to one and prepare
The method stating the fruit antistaling agent of plant source, the invention still further relates to the fruit of a kind of above-mentioned plant source
The insurance method of antistaling agent, belongs to postharvest technology of fruits and vegetables field.
Background technology
Chemical preservative is notable to the fresh-retaining preserving effect of fruit and vegerable, but life-time service chemical preservation
Agent, can damage health, pollute environment, easily make pathogen develop immunity to drugs.Carry in the whole world
Advocate today of greenization, seek safe and environment-friendly biogenic preservative, improve what fruit ate
Safety, extends the supply phase, is fruit post-harvest fresh-keeping problem demanding prompt solution.Therefore, exploitation
Convenient make healthy, safely, the crude antistaling agent that has no side effect become the task of top priority.
Summary of the invention
The invention aims to overcome weak point of the prior art, it is provided that a kind of component
Simply, reasonable mixture ratio of components, health, the fruit antistaling agent of safe and efficient plant source；
Another object of the present invention is to provide a kind of fruit antistaling agent preparing above-mentioned plant source
Method；
It is a further object to provide the insurer of the fruit antistaling agent of a kind of plant source
Method.
In order to achieve the above object, the present invention uses below scheme:
The fruit antistaling agent of a kind of plant source, it is characterised in that include following by weight percentage
Component:
The fruit antistaling agent of a kind of plant source as above, it is characterised in that by weight percentage
Include following components:
The fruit antistaling agent of a kind of plant source as above, it is characterised in that described Flos Caryophylli carries
Take thing to be prepared by the following method: Flos Caryophylli is dried, smash, sieve, use alcohol reflux.
The fruit antistaling agent of a kind of plant source as above, it is characterised in that the described Radix Astragali carries
Take thing to be prepared by the following method: the Radix Astragali is dried, smash, sieve, use alcohol reflux.
The fruit antistaling agent of a kind of plant source as above, it is characterised in that described Herba Rostellulariae carries
Take thing to be prepared by the following method: Herba Rostellulariae is dried, smash, sieve, use alcohol reflux.
The method of a kind of fruit antistaling agent preparing plant source described above of the present invention, its feature exists
In comprising the following steps:
1) Flos Caryophylli extract, Radix Astragali extract and Herba Rostellulariae extract are mixed by usage ratio；
2) by measuring than in the mixture that citric acid is joined step 1, mix；
3) by metering ratio, calcium lactate is added separately in the mixture of step 2, mixing；
4) weigh starch by metering ratio, now starch is used a small amount of water dissolution, then the shallow lake that will dissolve
Powder joins in the mixture of step 3, mixing；
5) metering is added water to.
The method preparing the fruit antistaling agent of plant source as above, it is characterised in that step 1)
In Flos Caryophylli extract, Radix Astragali extract and Herba Rostellulariae extract be prepared by the following method: respectively
By Chinese medicine material: Flos Caryophylli, the Radix Astragali, Herba Rostellulariae, dry, after smashing, sieve, use ethanol to return
Stream concentrates after extracting.
The insurance method of a kind of fruit antistaling agent using plant source described above of the present invention, it is special
Levy and be to comprise the following steps:
Fruit soaking in fresh-keeping liquid 1-3min, dries, room temperature preservation or cryopreservation are i.e.
Can.
In sum, relative to prior art, it provides the benefit that the present invention:
(1) in the present invention use 3 kinds of fungistatic effect plant extracts widely as antistaling agent,
Can effectively suppress the breeding of pathogen, thus effectively suppress to be caused by pathogen infection
Product postharvest disease, can significantly decrease postharvest fruit and vegetable and rot to lose and quality decline.
(2) raw materials of the present invention is Chinese medicine, has high foodsafety,
Do not cause environmental pollution, can effectively reduce synthesizing fungicide and the use of chemical pesticide and residual
Stay.
(3) the antistaling agent manufacture method technique that the present invention uses is simple, easy and simple to handle, is suitable to rule
Mould produces, batch application.
Accompanying drawing explanation
Fig. 1 is the Making programme figure of the present invention.
Detailed description of the invention
The invention will be further described with detailed description of the invention in explanation below in conjunction with the accompanying drawings:
Embodiment 1
The preparation method of extracting solution is as follows:
1) weigh 375g Flos Caryophylli, 80 DEG C of drying, after smashing, cross 40 mesh sieves.Ethanol 65 DEG C backflow
Extracting 1h, continuous backflow 3 times, solution is concentrated into 500mL；
2) the 100g Radix Astragali is weighed, 100 DEG C of drying, after smashing, cross 40 mesh sieves, 1000mL water,
95 DEG C decoct 2h, and filtered filtration residue continues to boil 2h, merging filtrate, is concentrated into 1000mL；
3) weigh 100g Herba Rostellulariae, 75 DEG C of drying, after smashing, cross 40 mesh sieves.Ethanol 65 DEG C backflow
Extracting 1h, continuous backflow 3 times, solution is concentrated into 1000mL.
Antistaling agent preparation method: 1) 3 kinds of extracts are mixed by usage ratio；2) by 6% lemon
Lemon acid adds in the mixed liquor of step 1, stirring and evenly mixing；3) calcium lactate of 4% is added mixing
In the mixed liquor of step 2, stirring and evenly mixing；4) food starch of 12% is taken, by starch 80mL
Water dissolution, then the starch solution of dissolving is joined in the mixed liquor of step 3, stir.
Add water to metering.
Preservation method is as follows:
Fruit is soaked in fresh-keeping liquid 1-3min, dries, room temperature preservation or cryopreservation.
Embodiment 2
The preparation method of extracting solution is as follows:
1) weigh 375g Flos Caryophylli, 80 DEG C of drying, after smashing, cross 40 mesh sieves.Alcohol reflux
1h, continuous backflow 3 times, solution is concentrated into 500mL；
2) weigh the 150g Radix Astragali, 100 DEG C of drying, after smashing, cross 40 mesh sieves, 1000mL decocting
Boiling 2h, filtered filtration residue continues to boil 2h, merging filtrate, is concentrated into 1000mL；
3) weigh 150g Herba Rostellulariae, 75 DEG C of drying, after smashing, cross 40 mesh sieves.Alcohol reflux
1h, continuous backflow 3 times, solution is concentrated into 1000mL.
Antistaling agent preparation method: 1) 3 kinds of extracts are mixed by usage ratio；
2) citric acid and the calcium lactate of 10% are divided in the mixed liquor adding step 1, stirring and evenly mixing；
3) in the mixed liquor of the step 2 that the calcium lactate of 4% is added mixing, stirring and evenly mixing；
4) take the food starch of 10%, starch is used 50mL water dissolution, then by molten for the starch of dissolving
Liquid joins in the mixed liquor of step 3, stirs.Add water to metering.
Preservation method is as follows:
Fruit is soaked in fresh-keeping liquid 1-3min, dries, room temperature preservation or cryopreservation.
Embodiment 3
The fruit antistaling agent of a kind of plant source, it is characterised in that include following by weight percentage
Component:
Embodiment 4
The fruit antistaling agent of a kind of plant source, it is characterised in that include following by weight percentage
Component:
Embodiment 5
The fruit antistaling agent of a kind of plant source, it is characterised in that include following by weight percentage
Component:
Embodiment 6
Embodiment 7
Embodiment 8
Embodiment 9
Embodiment 10
The present invention implements the fruit antistaling agent of the plant source in 3-10 and can make by the following method
Standby:
1) Flos Caryophylli extract, Radix Astragali extract and Herba Rostellulariae extract are mixed by usage ratio；
2) by measuring than in the mixture that citric acid is joined step 1, mix；
3) by metering ratio, calcium lactate is added separately in the mixture of step 2, mixing；
4) weigh starch by metering ratio, now starch is used a small amount of water dissolution, then the shallow lake that will dissolve
Powder joins in the mixture of step 3, mixing；
5) metering is added water to.
Wherein Flos Caryophylli extract, Radix Astragali extract and Herba Rostellulariae extract are prepared by the following method:
Respectively by Chinese medicine material: Flos Caryophylli, the Radix Astragali, Herba Rostellulariae, dry, after smashing, sieve, use second
Alcohol reflux concentrates after extracting.
The ultimate principle of the present invention and principal character and the present invention have more than been shown and described
Advantage.Skilled person will appreciate that of the industry, the present invention is not restricted to the described embodiments,
The principle that the present invention is simply described described in above-described embodiment and description, without departing from this
On the premise of bright spirit and scope, the present invention also has various changes and modifications, these change and
Improvement both falls within scope of the claimed invention.Claimed scope is by appended
Claims and equivalent thereof define.
Claims (8)
1. the fruit antistaling agent of a plant source, it is characterised in that include by weight percentage
Following components:
The fruit antistaling agent of a kind of plant source the most according to claim 1, its feature exists
In including following components by weight percentage:
The fruit antistaling agent of a kind of plant source the most according to claim 1 and 2, it is special
Levy and be that described Flos Caryophylli extract is prepared by the following method: Flos Caryophylli is dried, smash, sieve,
Use alcohol reflux.
The fruit antistaling agent of a kind of plant source the most according to claim 1 and 2, it is special
Levy and be that described Radix Astragali extract is prepared by the following method: the Radix Astragali is dried, smash, sieve,
Use alcohol reflux.
The fruit antistaling agent of a kind of plant source the most according to claim 1 and 2, it is special
Levy and be that described Herba Rostellulariae extract is prepared by the following method: Herba Rostellulariae is dried, smash, sieve,
Use alcohol reflux.
6. the method preparing the fruit antistaling agent of plant source described in claim 1 or 2,
It is characterized in that comprising the following steps:
1) Flos Caryophylli extract, Radix Astragali extract and Herba Rostellulariae extract are mixed by usage ratio；
2) by measuring than in the mixture that citric acid is joined step 1, mix；
3) by metering ratio, calcium lactate is added separately in the mixture of step 2, mixing；
4) weigh starch by metering ratio, now starch is used a small amount of water dissolution, then the shallow lake that will dissolve
Powder joins in the mixture of step 3, mixing；
5) metering is added water to.
The method of the fruit antistaling agent preparing plant source the most according to claim 6, its
Be characterised by step 1) in Flos Caryophylli extract, Radix Astragali extract and Herba Rostellulariae extract by with
Prepared by lower section method: respectively by Chinese medicine material: Flos Caryophylli, the Radix Astragali, Herba Rostellulariae, dries, after smashing,
Sieve, concentrate after using alcohol reflux.
8. the insurance of the fruit antistaling agent using plant source as claimed in claim 1 or 2
Method, it is characterised in that comprise the following steps:
Fruit soaking in fresh-keeping liquid 1-3min, dries, room temperature preservation or cryopreservation are i.e.
Can.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610164727.2A CN105746697A (en) | 2016-03-22 | 2016-03-22 | Plant-derived fruit preservative, preparation method and insurance method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610164727.2A CN105746697A (en) | 2016-03-22 | 2016-03-22 | Plant-derived fruit preservative, preparation method and insurance method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105746697A true CN105746697A (en) | 2016-07-13 |
Family
ID=56345581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610164727.2A Pending CN105746697A (en) | 2016-03-22 | 2016-03-22 | Plant-derived fruit preservative, preparation method and insurance method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105746697A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106259865A (en) * | 2016-10-29 | 2017-01-04 | 常州市鼎升环保科技有限公司 | A kind of preservation method for mangoes |
| CN106509073A (en) * | 2016-10-29 | 2017-03-22 | 常州市鼎升环保科技有限公司 | Preservation method of grapefruits |
| CN107535484A (en) * | 2017-09-18 | 2018-01-05 | 鲁小芹 | A kind of environment-friendly type gardens fruit antistaling agent and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101496536A (en) * | 2009-03-12 | 2009-08-05 | 宁波大学 | Fresh-keeping method of fresh cut taro |
-
2016
- 2016-03-22 CN CN201610164727.2A patent/CN105746697A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101496536A (en) * | 2009-03-12 | 2009-08-05 | 宁波大学 | Fresh-keeping method of fresh cut taro |
Non-Patent Citations (2)
| Title |
|---|
| 郭明程等: "爵床提取物的抑菌杀虫活性研究", 《中国生态农业学报》 * |
| 郭艳峰: "丁香黄芪提取液对圣女果保鲜效果的影响", 《热带农业科学》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106259865A (en) * | 2016-10-29 | 2017-01-04 | 常州市鼎升环保科技有限公司 | A kind of preservation method for mangoes |
| CN106509073A (en) * | 2016-10-29 | 2017-03-22 | 常州市鼎升环保科技有限公司 | Preservation method of grapefruits |
| CN107535484A (en) * | 2017-09-18 | 2018-01-05 | 鲁小芹 | A kind of environment-friendly type gardens fruit antistaling agent and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103725575A (en) | Bagged preparation of health care wine and preparation method thereof | |
| CN102669304B (en) | Selenium-enriched tea oil | |
| CN104222316A (en) | Brain-boosting walnut tea oil | |
| CN101904508B (en) | Starfish oral solution and preparation method thereof | |
| CN106434028A (en) | Fruit and vegetable washing salt for removing pesticide residues and preparation method thereof | |
| CN101838292B (en) | Method for extracting and separating polyphenol from plants | |
| CN104585636A (en) | Health milkwort root-loach rice and preparation method thereof | |
| CN105168285A (en) | Ginsenoside extracting solution and extracting method thereof | |
| CN105746697A (en) | Plant-derived fruit preservative, preparation method and insurance method | |
| CN103651974A (en) | Health oil with efficacy of decreasing blood sugar | |
| CN106172730A (en) | A kind of Corm Eleocharitis peel extract bacteriostasis, preservation agent and preparation and application | |
| CN105192806A (en) | Snakegourd fruit vegetable protein beverage and preparation method thereof | |
| CN103431378B (en) | Comprise the composition and method of making the same of water-soluble plukenetia rattan fruit albumen powder | |
| CN104450469B (en) | A kind of durian health liquor and preparation method thereof | |
| CN103494273A (en) | Watermelon seeds with osmanthus sauce and processing method for watermelon seeds | |
| CN103416733A (en) | Glucosinolate extract from fresh broccoli and preparation method thereof | |
| CN105524708A (en) | Preparation method of hazelnut oil | |
| CN108142550A (en) | A kind of fresh walnut kernel plastics containing Artemisinin and preparation method thereof | |
| CN104397519A (en) | Lilium-brownii radix-puerariae vermicelli and processing method thereof | |
| CN103989169A (en) | Instant health powder and processing method thereof | |
| CN106479842A (en) | A kind of sea cucumber liquor method for making | |
| CN103191177A (en) | Method for improving extraction ratio of general flavones of liana beans by quick-freezing and pulse technique | |
| CN102669307B (en) | Preparation method of tea-polyphenol-enriched tea oil | |
| CN106262388A (en) | A kind of Fructus Citri Sarcodactylis Herba Herminii honey paste and preparation method thereof | |
| CN101411499A (en) | Compositional soft capsule containing composite garlic and onion essential oil as well as anti-oxidant vitamins |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160713 |
|
| RJ01 | Rejection of invention patent application after publication |