CN110054889A - A kind of anti-flammability biology base PA56 composite material and preparation method - Google Patents
A kind of anti-flammability biology base PA56 composite material and preparation method Download PDFInfo
- Publication number
- CN110054889A CN110054889A CN201810050126.8A CN201810050126A CN110054889A CN 110054889 A CN110054889 A CN 110054889A CN 201810050126 A CN201810050126 A CN 201810050126A CN 110054889 A CN110054889 A CN 110054889A
- Authority
- CN
- China
- Prior art keywords
- flammability
- biology base
- composite material
- base
- melting mixing
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention provides a kind of anti-flammability biology base PA56 composite material and preparation method, which includes 100 parts of biology base PA56,5~10 parts of long-chain biological base PA510,3~5 parts of expanding materials, 10~25 parts of fire retardants, 3~5 parts of fire retarding synergists and 10~30 parts of reinforcing agents.Anti-flammability biology base PA56 composite material of the invention still has good mechanical performance while keeping has higher relative discharge tracking index and glow wire temperature.
Description
Technical field
The invention belongs to polymeric material field, it is related to a kind of anti-flammability biology base PA56 composite material and its preparation side
Method.
Background technique
Polyamide is frequently utilized for auto parts and components, electric appliance and electronic equipment due to its excellent mechanical performance and processability
Part and other many applications in.Polyamide has good anti-flammability, belongs to self-extinguishing, electrical insulation capability is good
(relative discharge tracking index CTI 600), is widely used in electronic and electrical equipment.In electronic apparatus application, in order to protect
Preferable mechanical performance and anti-flammability are held, addition glass fibre carries out enhancing and is modified and uses halogen system generally in polyamide substrate
Fire retardant is required based on ROHS&Reach instruction is met, and is the polymer of halogen, generally brominated polyphenylene using halogenated flame retardant
Ethylene (BPS), brominated Polystyrene make polyamide compoiste material have excellent mechanical performance compared to phosphorus system and nitrogenated flame retardant,
But due to the addition of glass fibre and the use of BPS, reduce the relative discharge tracking index and glow wire temperature of material.In addition,
It is representative for glowing filament and track resistance using European IEC specification in these Electrical and Electronic components on the way
It is required that also increasingly increasing.Especially with respect to connector component, glow wire ignition's temperature in IEC60695-2-13 specification in recent years
The requirement level of degree (GWIT) is changed to 775 DEG C or more by 725 DEG C or more, sometimes, it is desirable that relative discharge tracking index
(CTI) it is greater than 400V, it is therefore necessary to while considering to obtain high relative discharge tracking index and high glow wire temperature and good machine
The polyamide material of tool performance.
Summary of the invention
In order to overcome the shortcomings in the prior art, the present invention provides a kind of with high relative discharge tracking index and high glow-wire
Temperature, while there is the anti-flammability biology base PA56 composite material of good mechanical properties, and be that production is former with renewable energy
Material, to be good for the environment.
In order to achieve the above objectives, solution of the invention is:
A kind of anti-flammability biology base PA56 composite material comprising: biology base PA56, long-chain biological base PA510, increase-volume
Agent, fire retardant, fire retarding synergist and reinforcing agent.
In a preferred embodiment of the invention, the relative viscosity of biology base PA56 is 2.0~4.0, mass parts: 100 parts.
In a preferred embodiment of the invention, the relative viscosity of long-chain biological base PA510 is 2.9, mass parts: 5~10 parts.
In a preferred embodiment of the invention, expanding material is maleic anhydride stem grafting polyolefin elastomer MAH-g-POE, quality
Part: 3~5 parts.
In a preferred embodiment of the invention, fire retardant is brominated Polystyrene, mass parts: 10~25 parts.
In a preferred embodiment of the invention, fire retarding synergist is antimony oxide, mass parts: 3~5 parts.
In a preferred embodiment of the invention, reinforcing agent is alkali-free glass fibre, mass parts: 10~30 parts.
In a preferred embodiment of the invention, anti-flammability biology base PA56 composite material can also include that other processing help
Agent, other processing aids can be selected from any one or a few in compatilizer, antioxidant, lubricant and dispersing agent.
The relative discharge tracking index (CTI) of obtained flame-retardant biology base PA56 composite material of the present invention is 350~400V,
Glowing filament ignition temperature (GWIT) is 800~850 DEG C.
The preparation method of above-mentioned anti-flammability biology base PA56 composite material comprising following steps:
1) at least by biology base PA56, long-chain biological base PA510, expanding material, fire retardant and each raw material group of fire retarding synergist
Divide premix, obtains the first pre-composition；
2) by the first pre-composition from the main spout of double screw extruder, side spout of the reinforcing agent from double screw extruder
It being separately added into double screw extruder and obtains the second pre-composition, the draw ratio of the screw rod of selected double screw extruder is 1:40,
Screw speed be 200~500rpm, each area's temperature setting of double screw extruder from spout to die orifice be followed successively by 80 ± 10 DEG C,
220 ± 15 DEG C, 250 ± 5 DEG C, 270 ± 10 DEG C, 280 ± 5 DEG C, 280 ± 10 DEG C and 275 ± 15 DEG C, die temperature is 270 ± 10
℃；
3) the second pre-composition is added in melting mixing machine and carries out melting mixing, the temperature of melting mixing compares biology base
The fusing point of PA56 is 30~50 DEG C high, and the time of melting mixing is 0.25~5 minute, obtains melting mixing object；
4) melting mixing object being squeezed out to obtain strands from the nozzle of melting mixing machine, the temperature of strands is 230~350 DEG C,
Strands are cooled down in water later, strands after cooling are cut in granulator, obtain anti-flammability biology base PA56 composite wood
Material.
Wherein, strands cannot directly be cut with granulator, roll-in, it is therefore desirable to be cooled to life using cooling water
Below the fusing point of object base PA56.
The present invention is found through experiments that, existing by being added with long-chain polyamide and maleic anhydride stem grafting polyolefin elastomer
Flameproof polyamide system in be blended, the relative discharge tracking index and high glow-wire of polyamide fire proofing can be improved
Temperature has good mechanical properties simultaneously.
The beneficial effects of the present invention are:
The present invention provides a kind of anti-flammability biology base PA56 composite materials, and relative discharge with higher is being kept to rise
While trace index (CTI) and glow wire temperature, still there is good mechanical performance.
Specific embodiment
The present invention provides a kind of anti-flammability biology base PA56 composite material and preparation methods.
[biology base PA56]
PA56 is at least using pentanediamine (biomass source) and adipic acid as raw materials for production.Pentanediamine passes through biofermentation legal system
At (decarboxylic reaction such as occurs under the action of decarboxylase by lysine and generates) and it includes at least partly meet ASTM
The organic carbon of the renewable source of D6866 standard.Specifically, biological poly amide is biology base PA56, relative viscosity 2.0
~4.0, relative viscosity is lower than 2.0, and the mechanical property of materials is poor, and relative viscosity is higher than 4.0, and material is difficult to add using existing equipment
Work molding, the mass parts of biology base PA56 are 100 parts.
[long-chain biological base PA510]
Long-chain biological base PA510, relative viscosity are 2.0~4.0, in order to obtain preferable mixed effect, opposite according to waiting
Viscosity is more easier the principle of dispersion mixing, the opposite relative viscosity of long-chain biological base PA510 opposite phase with biology base PA56's
It is 1.1:1~1.3:1 to viscosity ratio.
[expanding material]
Expanding material is maleic anhydride stem grafting polyolefin elastomer MAH-g-P0E, is purchased from the limited public affairs of light share of Ningbo energy
It takes charge of (N406).
[fire retardant]
Fire retardant is brominated Polystyrene, is purchased from Albemarle Corporation, the U.S. (HP-3010), and mass parts are 10~25 parts.
[fire retarding synergist]
Fire retarding synergist is antimony oxide, and being purchased from star antimony industry Co., Ltd, Hunan Loudi China, (environment-friendly type, content are
99.50%).
[reinforcing agent]
Reinforcing agent is alkali-free glass fibre, is purchased from Chinese megalith limited liability company (568H).
The present invention is further detailed below in conjunction with specific embodiment.
<performance characterization method>
Embodiment uses following methods and carries out performance characterization:
1, the measurement of polyamide relative viscosity:
It is measured by ISO307 standard.
2, tensile strength:
It is measured by ISO527-2 method.
3, impact strength:
It is measured by ISO180/1A method.
4, relative discharge tracking index (CTI):
Production length is 100mm, width is 100mm and the test film with a thickness of 3mm, is surveyed by IEC60112 method
It is fixed.
5, glowing filament (GWIT):
Production length is 80mm, width is 80mm and the test film with a thickness of 3mm, is carried out by IEC60695-2-13 method
Measurement.
6, vertical combustion performance is tested:
Production length is 12.7mm, width is 12.7mm and the test film with a thickness of 0.8mm, is surveyed according to UL94 specification
Examination.
<raw materials for production>
The raw materials for production of following embodiment are as follows:
Biology base PA56: Kai Sai (Jinxiang) biomaterial Co., Ltd, relative viscosity are 2.7 (the 98wt% concentrated sulfuric acids
Method)；
Long-chain biological base PA510: Kai Sai (Jinxiang) biomaterial Co., Ltd, relative viscosity are 3.0 (the dense sulphur of 98wt%
Acid system)；
Maleic anhydride stem grafting polyolefin elastomer (MAH-g-POE): Ningbo Neng Zhiguang limited liability company (N406)；
Alkali-free glass fibre: Chinese megalith limited liability company (568H)；
Brominated Polystyrene (BPS): Albemarle Corporation, the U.S. (HP-3010)；
Antimony oxide (Sb2O3): star antimony industry Co., Ltd, Hunan Loudi China (environment-friendly type, content 99.50%).
The preparation method of anti-flammability biology base PA56 composite material in embodiment and comparative example, includes the following steps:
1) by biology base PA56, long-chain biological base PA510, maleic anhydride stem grafting polyolefin elastomer MAH-g-POE, bromination
Polystyrene BPS and antimony oxide Sb2O3It is pre-mixed according to the proportion of table 1, obtains the first pre-composition；
2) by the first pre-composition from the main spout of double screw extruder, alkali-free glass fibre is from the side of double screw extruder
Spout, which is separately added into double screw extruder, obtains the second pre-composition, and the draw ratio of the screw rod of double screw extruder is 1:40,
Each area's temperature setting is followed successively by 80 DEG C, 220 DEG C, 250 DEG C, 270 DEG C, 280 DEG C, 280 DEG C, 275 DEG C, die orifice from spout to die orifice
Temperature is 270 DEG C, in double screw extruder (Nanjing section, complete equipment of chemical Equipment Limited, Asia manufacture, model SK-40) with
The revolving speed of 480rpm is mediated to obtain melting mixing object, and the time of melting mixing is 4 minutes；
3) using water as cooling medium that the strands are cooling by melting mixing object from the nozzle extrusion line of melting mixing machine
To biology base PA56 fusing point hereinafter, strands after cooling are cut in granulator, it is compound to obtain anti-flammability biology base PA56
Then material carries out the measurement of mechanical property and combustibility, measurement result such as table 2 to anti-flammability biology base PA56 composite material
It is shown.
Wherein, double screw extruder is one kind of melting mixing machine, and carrying out mediating in double screw extruder is to be kneaded
Process.
1 adding proportion table of table
2 results of property table of table
As shown in Table 2, compared with comparative example, long-chain biological base PA510 and MAH-g-POE elastomer plays synergistic effect,
It can play and improve the anti-flammability biology base PA56 composite material relative discharge tracking index (CTI) and glowing filament ignition temperature
(GWIT) effect.
This hair can be understood and used the above description of the embodiments is intended to facilitate those skilled in the art
It is bright.Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein
General Principle is applied in other embodiments without having to go through creative labor.Therefore, the present invention is not limited to the above embodiments,
Those skilled in the art's announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be in this hairs
Within bright protection scope.
Claims (10)
1. a kind of anti-flammability biology base PA56 composite material, it is characterised in that: the anti-flammability biology base PA56 composite material packet
It includes:
2. anti-flammability biology base PA56 composite material according to claim 1, it is characterised in that: the biology base PA56's
Relative viscosity is 2.0~4.0.
3. anti-flammability biology base PA56 composite material according to claim 1, it is characterised in that: the long-chain biological base
The relative viscosity of PA510 is 2.0~4.0.
4. anti-flammability biology base PA56 composite material according to claim 1, it is characterised in that: the expanding material includes horse
Maleic anhydride grafted polyolefin elastomer.
5. anti-flammability biology base PA56 composite material according to claim 1, it is characterised in that: the fire retardant includes
Bromide fire retardant.
6. anti-flammability biology base PA56 composite material according to claim 5, it is characterised in that: the bromide fire retardant
Including brominated Polystyrene.
7. anti-flammability biology base PA56 composite material according to claim 1, it is characterised in that: the fire retarding synergist packet
Include antimony oxide.
8. anti-flammability biology base PA56 composite material according to claim 1, it is characterised in that: the reinforcing agent includes nothing
Alkali containing glass fibre.
9. anti-flammability biology base PA56 composite material according to claim 1, it is characterised in that: the anti-flammability biology base
PA56 composite material further includes other processing aids；
Any one or a few in compatilizer, antioxidant, lubricant and dispersing agent of other processing aids.
10. a kind of prepare the method such as the described in any item anti-flammability biology base PA56 composite materials of claim 1-8, feature
Be: described method includes following steps:
1) at least that biology base PA56, long-chain biological base PA510, expanding material, fire retardant and fire retarding synergist each raw material component is pre-
It is mixed, obtain the first pre-composition；
2) by first pre-composition from the main spout of double screw extruder, side spout of the reinforcing agent from double screw extruder
It being separately added into double screw extruder and obtains the second pre-composition, the draw ratio of the screw rod of selected double screw extruder is 1:40,
The revolving speed of screw rod be 200~500rpm, each area's temperature setting of double screw extruder from spout to die orifice be followed successively by 80 ± 10 DEG C,
220 ± 15 DEG C, 250 ± 5 DEG C, 270 ± 10 DEG C, 280 ± 5 DEG C, 280 ± 10 DEG C and 275 ± 15 DEG C, die temperature is 270 ± 10
℃；
3) second pre-composition is added in melting mixing machine and carries out melting mixing, the temperature of melting mixing compares biology base
The fusing point of PA56 is 30~50 DEG C high, and the time of melting mixing is 0.25~5 minute, obtains melting mixing object；
4) the melting mixing object being squeezed out to obtain strands from the nozzle of melting mixing machine, the temperature of strands is 230~350 DEG C,
Strands are cooled down in water later, strands after cooling are cut in granulator, obtain anti-flammability biology base PA56 composite wood
Material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810050126.8A CN110054889B (en) | 2018-01-18 | 2018-01-18 | Flame-retardant bio-based PA56 composite material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810050126.8A CN110054889B (en) | 2018-01-18 | 2018-01-18 | Flame-retardant bio-based PA56 composite material and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110054889A true CN110054889A (en) | 2019-07-26 |
| CN110054889B CN110054889B (en) | 2021-09-07 |
Family
ID=67315211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810050126.8A Active CN110054889B (en) | 2018-01-18 | 2018-01-18 | Flame-retardant bio-based PA56 composite material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110054889B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111117233A (en) * | 2019-12-31 | 2020-05-08 | 会通新材料(上海)有限公司 | Polyamide 56 composition resistant to corrosion of automobile coolant and preparation method and application thereof |
| WO2022252661A1 (en) * | 2021-05-31 | 2022-12-08 | 上海凯赛生物技术股份有限公司 | Continuous long fiber-reinforced thermoplastic composite board, and preparation method therefor and use thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010031179A (en) * | 2008-07-30 | 2010-02-12 | Toray Ind Inc | Polyamide resin composition |
| JP2010209306A (en) * | 2009-02-16 | 2010-09-24 | Mitsubishi Chemicals Corp | Conductive polyamide resin composition, method for producing conductive polyamide resin composition, injection molded article and extrusion molded article |
| CN102395626A (en) * | 2009-04-20 | 2012-03-28 | 三菱化学株式会社 | Conductive thermoplastic resin composition, conductive polyamide resin compositions, and conductive polyamide film |
| CN106883603A (en) * | 2017-02-24 | 2017-06-23 | 上海凯赛生物技术研发中心有限公司 | A kind of antistatic enhancing flame-retardant polyamide composite material and preparation method thereof |
-
2018
- 2018-01-18 CN CN201810050126.8A patent/CN110054889B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010031179A (en) * | 2008-07-30 | 2010-02-12 | Toray Ind Inc | Polyamide resin composition |
| JP2010209306A (en) * | 2009-02-16 | 2010-09-24 | Mitsubishi Chemicals Corp | Conductive polyamide resin composition, method for producing conductive polyamide resin composition, injection molded article and extrusion molded article |
| CN102395626A (en) * | 2009-04-20 | 2012-03-28 | 三菱化学株式会社 | Conductive thermoplastic resin composition, conductive polyamide resin compositions, and conductive polyamide film |
| CN106883603A (en) * | 2017-02-24 | 2017-06-23 | 上海凯赛生物技术研发中心有限公司 | A kind of antistatic enhancing flame-retardant polyamide composite material and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111117233A (en) * | 2019-12-31 | 2020-05-08 | 会通新材料(上海)有限公司 | Polyamide 56 composition resistant to corrosion of automobile coolant and preparation method and application thereof |
| CN111117233B (en) * | 2019-12-31 | 2022-07-12 | 会通新材料(上海)有限公司 | Polyamide 56 composition resistant to corrosion of automobile coolant and preparation method and application thereof |
| WO2022252661A1 (en) * | 2021-05-31 | 2022-12-08 | 上海凯赛生物技术股份有限公司 | Continuous long fiber-reinforced thermoplastic composite board, and preparation method therefor and use thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110054889B (en) | 2021-09-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8912243B2 (en) | Compositions, additives, and compounds for melt processable, foamable, and cellular fluoroploymers | |
| CN105860412B (en) | Halogen-free flame retardant thermoplastic elastomer material and preparation method thereof for wire and cable | |
| CN106147156B (en) | Halogen-free flame-retardant long fiber glass reinforced PBT composite material and preparation method | |
| CN108587145A (en) | A kind of 6 composite material and preparation method of high glow-wire high CTI value halogen free flame-retardant fiberglass reinforced PA | |
| CN103571187A (en) | Preparation technology of high-performance environmentally-friendly flame-retardant reinforced PA66 composite material | |
| CN110283386A (en) | Take into account the thermoplastic elastomer (TPE) and preparation method thereof of low-k and anti-flammability | |
| CN109705568A (en) | A kind of low precipitation fire-retardant polyamide material of low smell, preparation method and application | |
| CN103450549A (en) | Expansive type halogen-free flame-retardant cable material | |
| CN103351525A (en) | High-gloss flame-retardant polypropylene composite material and preparation method thereof | |
| CN107541049B (en) | Graphene-continuous glass fiber reinforced halogen-free flame-retardant weather-resistant PPO/HIPS alloy material and preparation method thereof | |
| CN108276664B (en) | Flame-retardant continuous long glass fiber reinforced PP (polypropylene) material for wall switch and preparation method thereof | |
| CN106995559A (en) | UL94 5VA grades a kind of high GWIT RPPs composition and preparation method thereof | |
| CN110054889A (en) | A kind of anti-flammability biology base PA56 composite material and preparation method | |
| CN101161719B (en) | Special material for injection grade non-halogen flame-retardant wire plug and preparation method thereof | |
| CN102295818A (en) | Zero-halogen, low-smoke and flame-retardant TPE (Thermoplastic Elastomer) cable material and preparation method thereof | |
| CN112745640B (en) | high-CTI halogenated flame-retardant reinforced PBT (polybutylene terephthalate) composite material as well as preparation method and application thereof | |
| CN109679329A (en) | A kind of high glow-wire, the fire-retardant enhancing copolymer nylon composite material and preparation method of high CTI | |
| CN116948386B (en) | Flame-retardant composite cable material and preparation method and application thereof | |
| CN108164798B (en) | Low-smoke-amount thermoplastic low-smoke halogen-free flame-retardant polyolefin material and preparation method thereof | |
| CN106147191B (en) | A kind of high fire-retardance rank Halogen polycarbonate film material and preparation method thereof | |
| CN109337362B (en) | Special PA66 material for halogen-free and phosphorus-free circuit breaker and preparation method thereof | |
| CN107446338A (en) | A kind of high-glowing-filament-temperature flame-retardancy enhancing PPO/PPS composites and preparation method thereof | |
| CN110903642B (en) | Halogen-free flame-retardant resin and preparation method thereof | |
| CN104130505B (en) | Halogen-free flame-retardant crosslinked polypropylene as well as preparation method and application thereof | |
| CN111117187A (en) | High-toughness high-transparency organic silicon flame-retardant polycarbonate material and preparation method thereof |
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 | ||
| CB02 | Change of applicant information |
Address after: No.5 Building, 1690 Cailun Road, Zhangjiang High-tech Park, Pudong New Area, Shanghai Applicant after: CATHAY R&D CENTER Co.,Ltd. Applicant after: CATHAY INDUSTRIAL BIOTECH Ltd. Address before: 200120 Shanghai Zhangjiang High Tech Park of Pudong New Area Cailun Road No. 5 No. 1690 Applicant before: CATHAY R&D CENTER Co.,Ltd. Applicant before: CATHAY INDUSTRIAL BIOTECH Ltd. |
|
| CB02 | Change of applicant information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20191010 Address after: No.5 Building, 1690 Cailun Road, Zhangjiang High-tech Park, Pudong New Area, Shanghai Applicant after: CATHAY R&D CENTER Co.,Ltd. Applicant after: CIBT USA Address before: 201203 Shanghai Zhangjiang High Tech Park of Pudong New Area Cailun Road No. 5 No. 1690 Applicant before: CATHAY R&D CENTER Co.,Ltd. Applicant before: CATHAY INDUSTRIAL BIOTECH Ltd. |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210817 Address after: 201203 Shanghai Zhangjiang High Tech Park of Pudong New Area Cailun Road No. 5 No. 1690 Applicant after: CATHAY R&D CENTER Co.,Ltd. Applicant after: CIBT USA Applicant after: CATHAY (WUSU) BIOMATERIAL Co.,Ltd. Address before: No.5 Building, 1690 Cailun Road, Zhangjiang High-tech Park, Pudong New Area, Shanghai, 200120 Applicant before: CATHAY R&D CENTER Co.,Ltd. Applicant before: CIBT USA |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |