BR112021017021A2 - Composição de lubrificante, lubrificante, e, método para formar uma composição lubrificante de hidrocarboneto - Google Patents
Composição de lubrificante, lubrificante, e, método para formar uma composição lubrificante de hidrocarbonetoInfo
- Publication number
- BR112021017021A2 BR112021017021A2 BR112021017021A BR112021017021A BR112021017021A2 BR 112021017021 A2 BR112021017021 A2 BR 112021017021A2 BR 112021017021 A BR112021017021 A BR 112021017021A BR 112021017021 A BR112021017021 A BR 112021017021A BR 112021017021 A2 BR112021017021 A2 BR 112021017021A2
- Authority
- BR
- Brazil
- Prior art keywords
- carbon atoms
- lubricant composition
- lubricant
- viscosity
- hydrocarbon
- Prior art date
Links
- 239000000314 lubricant Substances 0.000 title abstract 8
- 239000004215 Carbon black (E152) Substances 0.000 title abstract 3
- 229930195733 hydrocarbon Natural products 0.000 title abstract 3
- 150000002430 hydrocarbons Chemical class 0.000 title abstract 3
- 125000004432 carbon atom Chemical group C* 0.000 abstract 6
- 125000000217 alkyl group Chemical group 0.000 abstract 4
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical group CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 abstract 2
- 125000003118 aryl group Chemical group 0.000 abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 abstract 1
- 239000002199 base oil Substances 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- -1 oxybutylene moiety Chemical group 0.000 abstract 1
- 229920001515 polyalkylene glycol Polymers 0.000 abstract 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M145/00—Lubricating compositions characterised by the additive being a macromolecular compound containing oxygen
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
- C10M169/04—Mixtures of base-materials and additives
- C10M169/041—Mixtures of base-materials and additives the additives being macromolecular compounds only
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M143/00—Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation
- C10M143/04—Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation containing propene
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M143/00—Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation
- C10M143/14—Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation containing non-conjugated diene
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M145/00—Lubricating compositions characterised by the additive being a macromolecular compound containing oxygen
- C10M145/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M145/10—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate
- C10M145/12—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate monocarboxylic
- C10M145/14—Acrylate; Methacrylate
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M145/00—Lubricating compositions characterised by the additive being a macromolecular compound containing oxygen
- C10M145/18—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M145/24—Polyethers
- C10M145/26—Polyoxyalkylenes
- C10M145/38—Polyoxyalkylenes esterified
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M157/00—Lubricating compositions characterised by the additive being a mixture of two or more macromolecular compounds covered by more than one of the main groups C10M143/00 - C10M155/00, each of these compounds being essential
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M177/00—Special methods of preparation of lubricating compositions; Chemical modification by after-treatment of components or of the whole of a lubricating composition, not covered by other classes
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/003—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions used as base material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
- C10M2203/102—Aliphatic fractions
- C10M2203/1025—Aliphatic fractions used as base material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
- C10M2205/024—Propene
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/08—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing non-conjugated dienes
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/08—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type
- C10M2209/084—Acrylate; Methacrylate
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
- C10M2209/105—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing three carbon atoms only
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
- C10M2209/106—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing four carbon atoms only
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
- C10M2209/109—Polyethers, i.e. containing di- or higher polyoxyalkylene groups esterified
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
- C10N2020/01—Physico-chemical properties
- C10N2020/02—Viscosity; Viscosity index
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
- C10N2020/01—Physico-chemical properties
- C10N2020/04—Molecular weight; Molecular weight distribution
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/02—Pour-point; Viscosity index
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/04—Detergent property or dispersant property
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2070/00—Specific manufacturing methods for lubricant compositions
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
Abstract
composição de lubrificante, lubrificante, e, método para formar uma composição lubrificante de hidrocarboneto. a presente divulgação fornece uma composição lubrificante que compreende um óleo de base de hidrocarboneto, um melhorador de viscosidade polar; e um polialquileno glicol esterificado: r1[o(r2o)n( r3o)m (c=o)r4]p, em que r1 é um alquil linear tendo 1 a 18 átomos de carbono, um alquil ramificado tendo 4 a 18 átomos de carbono ou um aril com 6 a 30 átomos de carbono; r2o é uma fração oxipropileno derivada de óxido de 1,2-propileno; r3o é uma fração oxibutileno derivada de óxido de butileno, em que r2o e r3o estão em um bloco ou uma distribuição aleatória; r4 é um alquil linear com 1 a 18 átomos de carbono, um alquil ramificado com 4 a 18 átomos de carbono ou um aril com 6 a 18 átomos de carbono; n e m são, cada um, independentemente, inteiros variando de 0 a 20, em que n + m é maior que 0, e p é um inteiro de 1 a 4. a composição lubrificante pode ter um índice de viscosidade de pelo menos 150, uma viscosidade cinemática de 100°c de 2 a 5 centistokes e uma viscosidade cinemática em -20°c de no máximo 600 centistokes.composição de
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2019/077037 WO2020177086A1 (en) | 2019-03-05 | 2019-03-05 | Improved hydrocarbon lubricant compositions and method to make them |
Publications (1)
Publication Number | Publication Date |
---|---|
BR112021017021A2 true BR112021017021A2 (pt) | 2021-11-09 |
Family
ID=72337424
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112021017021A BR112021017021A2 (pt) | 2019-03-05 | 2019-03-05 | Composição de lubrificante, lubrificante, e, método para formar uma composição lubrificante de hidrocarboneto |
Country Status (5)
Country | Link |
---|---|
US (1) | US11584896B2 (pt) |
EP (1) | EP3935143B1 (pt) |
CN (1) | CN113508170B (pt) |
BR (1) | BR112021017021A2 (pt) |
WO (1) | WO2020177086A1 (pt) |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
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GB711484A (en) * | 1950-08-07 | 1954-07-07 | California Research Corp | Lubricating oil composition |
US2620308A (en) * | 1950-12-16 | 1952-12-02 | California Research Corp | Compositions for lubrication |
US2620304A (en) | 1950-12-16 | 1952-12-02 | California Research Corp | Lubricant |
DE3737782C2 (de) * | 1987-11-06 | 1996-05-23 | Toyota Motor Co Ltd | Verwendung einer synthetischen Schmierölmischung |
CA2140492A1 (en) * | 1994-01-20 | 1995-07-21 | Kenneth H. Betney | Substituted polyoxyalkylene compounds |
JPH07305079A (ja) | 1994-05-12 | 1995-11-21 | Lion Corp | 潤滑油 |
EP1020422B1 (en) * | 1998-06-05 | 2007-03-21 | Nippon Shokubai Co., Ltd. | (poly)alkylene glycol higher-alkyl ether derivative composition, and detergent, lubricant, and external-use skin preparation each containing the same |
US6642189B2 (en) | 1999-12-22 | 2003-11-04 | Nippon Mitsubishi Oil Corporation | Engine oil compositions |
US20040198616A1 (en) * | 2003-03-27 | 2004-10-07 | Keiji Hirao | Lubricating base stock for internal combustion engine oil and composition containing the same |
ITMI20041672A1 (it) | 2004-08-27 | 2004-11-27 | Polimeri Europa Spa | Copolimeri etilene-propilene a migliorata stabilita' di forma adatti alla modifica degli oli lubrificanti e procedimento per la loro preparazione |
JP4142060B2 (ja) | 2006-04-17 | 2008-08-27 | 新日本石油株式会社 | 自動変速機用潤滑油組成物 |
US8168572B2 (en) * | 2007-04-25 | 2012-05-01 | Dow Global Technologies Llc | Lubricant blend composition |
CN106190436A (zh) * | 2009-02-02 | 2016-12-07 | 出光兴产株式会社 | 自动变速机用润滑油组合物 |
US9057038B2 (en) * | 2010-08-31 | 2015-06-16 | Dow Global Technologies Llc | Corrosion inhibiting polyalkylene glycol-based lubricant compositions |
JP5989085B2 (ja) | 2011-03-25 | 2016-09-07 | ビーエーエスエフ ソシエタス・ヨーロピアBasf Se | 改良された非−ニュートン粘度特性を有する潤滑剤組成物 |
WO2013062682A1 (en) * | 2011-10-28 | 2013-05-02 | Dow Global Technologies Llc | Compositions of hydrocarbon oils and oil soluble pags produced by dmc catalysis |
CN103890154A (zh) * | 2011-11-01 | 2014-06-25 | 陶氏环球技术有限责任公司 | 油溶性聚亚烷基二醇润滑剂组合物 |
US20130165354A1 (en) | 2011-12-22 | 2013-06-27 | Exxonmobil Research And Engineering Company | Method for improving engine fuel efficiency |
FR2990215B1 (fr) * | 2012-05-04 | 2015-05-01 | Total Raffinage Marketing | Composition lubrifiante pour moteur |
US9926510B2 (en) * | 2012-10-25 | 2018-03-27 | Dow Global Technologies Llc | Lubricant composition |
CA2896490A1 (en) * | 2012-12-27 | 2014-07-03 | The Lubrizol Corporation | Lubricating composition containing an acylated polyalkylene oxide |
CA2929468A1 (en) * | 2013-11-26 | 2015-06-04 | Basf Se | The use of polyalkylene glycol esters in lubricating oil compositions |
EP3174962B1 (en) * | 2014-07-31 | 2023-02-22 | Dow Global Technologies LLC | Capped oil soluble polyalkylene glycols with low viscosity and high viscosity index |
WO2016137882A1 (en) * | 2015-02-26 | 2016-09-01 | Dow Global Technologies Llc | Lubricant formulations with enhanced anti-wear and extreme pressure performance |
WO2017031158A1 (en) * | 2015-08-20 | 2017-02-23 | Dow Global Technologies Llc | Fluid with polyalkylene glycol and unsaturated ester |
US10160926B2 (en) * | 2016-11-25 | 2018-12-25 | Hyundai Motor Company | Axle oil composition having enhanced fuel efficiency and low viscosity |
JP7119090B2 (ja) | 2017-12-25 | 2022-08-16 | ダウ グローバル テクノロジーズ エルエルシー | 変性油溶性ポリアルキレングリコール |
JP7101779B2 (ja) * | 2017-12-25 | 2022-07-15 | ダウ グローバル テクノロジーズ エルエルシー | 変性油溶性ポリアルキレングリコール |
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2019
- 2019-03-05 WO PCT/CN2019/077037 patent/WO2020177086A1/en unknown
- 2019-03-05 EP EP19918261.9A patent/EP3935143B1/en active Active
- 2019-03-05 CN CN201980093327.9A patent/CN113508170B/zh active Active
- 2019-03-05 US US17/428,027 patent/US11584896B2/en active Active
- 2019-03-05 BR BR112021017021A patent/BR112021017021A2/pt active Search and Examination
Also Published As
Publication number | Publication date |
---|---|
US20220119728A1 (en) | 2022-04-21 |
EP3935143A4 (en) | 2022-10-12 |
US11584896B2 (en) | 2023-02-21 |
WO2020177086A1 (en) | 2020-09-10 |
CN113508170B (zh) | 2023-03-10 |
CN113508170A (zh) | 2021-10-15 |
EP3935143B1 (en) | 2023-11-29 |
EP3935143A1 (en) | 2022-01-12 |
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B06W | Patent application suspended after preliminary examination (for patents with searches from other patent authorities) chapter 6.23 patent gazette] | ||
B09A | Decision: intention to grant [chapter 9.1 patent gazette] |