BR112018008405A2 - method for preparing polymer microparticles with a mesh structure, and polymer microparticles with a mesh structure. - Google Patents

method for preparing polymer microparticles with a mesh structure, and polymer microparticles with a mesh structure.

Info

Publication number
BR112018008405A2
BR112018008405A2 BR112018008405A BR112018008405A BR112018008405A2 BR 112018008405 A2 BR112018008405 A2 BR 112018008405A2 BR 112018008405 A BR112018008405 A BR 112018008405A BR 112018008405 A BR112018008405 A BR 112018008405A BR 112018008405 A2 BR112018008405 A2 BR 112018008405A2
Authority
BR
Brazil
Prior art keywords
solid content
polymer
solvent mixture
mesh structure
polymer microparticles
Prior art date
Application number
BR112018008405A
Other languages
Portuguese (pt)
Other versions
BR112018008405B1 (en
Inventor
Poong Kim Gun
Original Assignee
Vaim Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=58581020&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR112018008405(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Vaim Co Ltd filed Critical Vaim Co Ltd
Publication of BR112018008405A2 publication Critical patent/BR112018008405A2/en
Publication of BR112018008405B1 publication Critical patent/BR112018008405B1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Biological Depolymerization Polymers (AREA)
  • Medicinal Preparation (AREA)

Abstract

a presente invenção refere-se a um método para produzir micropartículas de polímero tendo uma estrutura de rede por injeção de uma solução polimérica, obtida por dissolução de um polímero à base de poliéster, em uma mistura de solventes de carbonato de etileno (daqui em diante, chamado de ?ec?) e dimetilsulfóxido (daqui em diante, chamado de ?dmso?), em hidrocarbonetos com uma temperatura inferior à do ponto de congelamento da mistura de solventes para obter um conteúdo sólido contendo o ec/dmso/polímero e depois colocando o conteúdo sólido em água para remover a mistura de solventes do conteúdo sólido. o método compreende: (1) uma etapa de preparação da solução polimérica por dissolução de um polímero em uma mistura de solventes contendo ec e dmso para preparar uma solução polimérica; (2) uma etapa de preparação de conteúdos sólidos para colocar a solução polimérica obtida na etapa de preparação da solução polimérica em hidrocarboneto líquido com uma temperatura igual ou inferior ao ponto de congelamento da mistura de solventes para preparar conteúdos sólidos; e (3) uma etapa de remoção do solvente para separar os conteúdos sólidos obtidos na etapa de preparação de conteúdos sólidos e colocar os conteúdos sólidos separados em água para remover a mistura de solventes nos conteúdos sólidos.The present invention relates to a method for producing polymer microparticles having a mesh structure by injecting a polymeric solution obtained by dissolving a polyester-based polymer in a mixture of ethylene carbonate solvents (hereafter , called "ec") and dimethyl sulfoxide (hereinafter "dmso"), in hydrocarbons having a temperature below the freezing point of the solvent mixture to obtain a solid content containing the ec / dmso / polymer and then placing the solid content in water to remove the solvent mixture from the solid content. the method comprises: (1) a step of preparing the polymer solution by dissolving a polymer in a solvent mixture containing ec and dmso to prepare a polymer solution; (2) a solid content preparation step for placing the polymer solution obtained in the liquid hydrocarbon polymer solution preparation step at or below the freezing point of the solvent mixture to prepare solid content; and (3) a solvent removal step for separating the solid contents obtained in the solid content preparation step and placing the separated solid contents in water to remove the solvent mixture in the solid contents.

BR112018008405-0A 2015-10-27 2016-10-21 Method for preparing polymer microparticles with a lattice structure BR112018008405B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1020150149151A KR101725279B1 (en) 2015-10-27 2015-10-27 Manufacturing method of polymeric microparticles having network structure
KR10-2015-0149151 2015-10-27
PCT/KR2016/011862 WO2017073963A1 (en) 2015-10-27 2016-10-21 Method for producing polymer microparticles having network structure

Publications (2)

Publication Number Publication Date
BR112018008405A2 true BR112018008405A2 (en) 2018-10-30
BR112018008405B1 BR112018008405B1 (en) 2022-01-25

Family

ID=58581020

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112018008405-0A BR112018008405B1 (en) 2015-10-27 2016-10-21 Method for preparing polymer microparticles with a lattice structure

Country Status (4)

Country Link
KR (1) KR101725279B1 (en)
CN (1) CN108350180B (en)
BR (1) BR112018008405B1 (en)
WO (1) WO2017073963A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102012441B1 (en) 2017-11-29 2019-08-20 주식회사 울트라브이 The fabrication method of fine particle of biodegradable polymer, the fabrication method of injection including the same, and reactor for manufacturing fine particle of biodegradable polymer
KR20230171675A (en) * 2022-06-14 2023-12-21 주식회사 바임 Complex, method for manufacturing the same, and filler composition for plastic surgery using the same
KR102587872B1 (en) * 2022-06-14 2023-10-12 주식회사 바임 Complex, method for manufacturing the same, and filler composition for plastic surgery using the same

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010002589A (en) * 1999-06-16 2001-01-15 김윤 Process for preparing biodegradable microspheres containing physiologically active agents
KR100429000B1 (en) * 2001-08-14 2004-04-28 한국과학기술원 Process for Preparing Drug-embeded Biodegradable Porous Polymeric Scaffold
CN101214947B (en) * 2008-01-18 2010-06-09 中国科学技术大学 Method for preparing carbon nano-tube by catalyzing and carbonizing polymer and /or asphalt
KR101105292B1 (en) * 2009-06-05 2012-01-17 주식회사 리젠 바이오텍 Biodegradable polymeric microparticles and their preparation method
KR20140094119A (en) * 2013-01-21 2014-07-30 주식회사 바임 A process for the preparation of polymeric microparticles
KR101481441B1 (en) * 2013-02-22 2015-01-13 주식회사 바임 A process for the preparation of polylactic acid microparticles by a spray method
KR101831079B1 (en) * 2013-08-09 2018-02-21 킴벌리-클라크 월드와이드, 인크. Microparticles having a multimodal pore distribution

Also Published As

Publication number Publication date
CN108350180B (en) 2021-01-01
KR101725279B1 (en) 2017-04-10
WO2017073963A1 (en) 2017-05-04
CN108350180A (en) 2018-07-31
WO2017073963A9 (en) 2018-09-13
BR112018008405B1 (en) 2022-01-25

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Legal Events

Date Code Title Description
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 21/10/2016, OBSERVADAS AS CONDICOES LEGAIS.