FR2567149B1 - Procede pour l'extraction de poly-beta-hydroxybutyrates au moyen d'un solvant a partir d'une suspension aqueuse de micro-organismes - Google Patents

Procede pour l'extraction de poly-beta-hydroxybutyrates au moyen d'un solvant a partir d'une suspension aqueuse de micro-organismes

Info

Publication number
FR2567149B1
FR2567149B1 FR8410921A FR8410921A FR2567149B1 FR 2567149 B1 FR2567149 B1 FR 2567149B1 FR 8410921 A FR8410921 A FR 8410921A FR 8410921 A FR8410921 A FR 8410921A FR 2567149 B1 FR2567149 B1 FR 2567149B1
Authority
FR
France
Prior art keywords
hydroxybutyrates
beta
poly
microorganisms
extraction
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.)
Expired
Application number
FR8410921A
Other languages
English (en)
French (fr)
Other versions
FR2567149A1 (fr
Inventor
Jacques Gilain
Noel Vanlautem
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Solvay SA
Original Assignee
Solvay SA
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
Application filed by Solvay SA filed Critical Solvay SA
Priority to FR8410921A priority Critical patent/FR2567149B1/fr
Priority to US06/746,381 priority patent/US4705604A/en
Priority to AT85201004T priority patent/ATE32102T1/de
Priority to DE8585201004T priority patent/DE3561472D1/de
Priority to EP85201004A priority patent/EP0168095B1/fr
Priority to JP14814085A priority patent/JPS6135790A/ja
Publication of FR2567149A1 publication Critical patent/FR2567149A1/fr
Application granted granted Critical
Publication of FR2567149B1 publication Critical patent/FR2567149B1/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P7/00—Preparation of oxygen-containing organic compounds
    • C12P7/62—Carboxylic acid esters
    • C12P7/625—Polyesters of hydroxy carboxylic acids

Landscapes

  • Organic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Zoology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Microbiology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Biotechnology (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Extraction Or Liquid Replacement (AREA)
FR8410921A 1984-07-06 1984-07-06 Procede pour l'extraction de poly-beta-hydroxybutyrates au moyen d'un solvant a partir d'une suspension aqueuse de micro-organismes Expired FR2567149B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR8410921A FR2567149B1 (fr) 1984-07-06 1984-07-06 Procede pour l'extraction de poly-beta-hydroxybutyrates au moyen d'un solvant a partir d'une suspension aqueuse de micro-organismes
US06/746,381 US4705604A (en) 1984-07-06 1985-06-19 Process for extracting poly-beta-hydroxybutyrates by means of a solvent from an aqueous suspension of microorganisms
AT85201004T ATE32102T1 (de) 1984-07-06 1985-06-25 Verfahren zum extrahieren von poly-betahydroxybutyraten mittels eines loesungsmittels aus einer waessrigen suspension von mikroorganismen.
DE8585201004T DE3561472D1 (en) 1984-07-06 1985-06-25 Process for the extraction of poly-beta-hydroxybutyrates with a solvent from an aqueous suspension of microorganisms
EP85201004A EP0168095B1 (fr) 1984-07-06 1985-06-25 Procédé pour l'extraction de poly-beta-hydroxybutyrates au moyen d'un solvant à partir d'une suspension aqueuse de microorganismes
JP14814085A JPS6135790A (ja) 1984-07-06 1985-07-05 ポリ‐β‐ヒドロキシブチレートの抽出方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8410921A FR2567149B1 (fr) 1984-07-06 1984-07-06 Procede pour l'extraction de poly-beta-hydroxybutyrates au moyen d'un solvant a partir d'une suspension aqueuse de micro-organismes

Publications (2)

Publication Number Publication Date
FR2567149A1 FR2567149A1 (fr) 1986-01-10
FR2567149B1 true FR2567149B1 (fr) 1986-12-05

Family

ID=9305955

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8410921A Expired FR2567149B1 (fr) 1984-07-06 1984-07-06 Procede pour l'extraction de poly-beta-hydroxybutyrates au moyen d'un solvant a partir d'une suspension aqueuse de micro-organismes

Country Status (6)

Country Link
US (1) US4705604A (enFirst)
EP (1) EP0168095B1 (enFirst)
JP (1) JPS6135790A (enFirst)
AT (1) ATE32102T1 (enFirst)
DE (1) DE3561472D1 (enFirst)
FR (1) FR2567149B1 (enFirst)

Families Citing this family (89)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT390068B (de) * 1988-07-07 1990-03-12 Danubia Petrochemie Extraktionsmittel fuer poly-d(-)-3-hydroxybuttersaeure
US5147791A (en) * 1989-04-06 1992-09-15 University Of New Mexico Enzyme catalyzed synthesis of polyesters
US5518907A (en) * 1989-06-07 1996-05-21 Center For Innovative Technology Cloning and expression in Escherichia coli of the Alcaligenes eutrophus H16 poly-beta-hydroxybutyrate biosynthetic pathway
US5334520A (en) * 1990-05-25 1994-08-02 Center For Innovative Technology Production of poly-beta-hydroxybutyrate in transformed escherichia coli
AT395319B (de) * 1990-10-05 1992-11-25 Danubia Petrochem Polymere Verfahren zur gewinnung eines polyhydroxyalkanoates aus dem zellmaterial eines mikroorganismus und polyhydroxyalkanoatflocken
US5229158A (en) * 1990-11-21 1993-07-20 Manssur Yalpani Polyhydroxyalkanoate cream substitutes
US5225227A (en) * 1990-11-21 1993-07-06 Manssur Yalpani Polyhydroxyalkanoate flavor delivery system
US5256393A (en) * 1991-04-16 1993-10-26 Mallinckrodt Medical, Inc. Use of azeotropic distillation in process to dry 5-amino-N,N'bis (2,3-dihydroxypropyl)-2,4,6-triiodoisphthalamide
US5942597A (en) 1995-08-21 1999-08-24 The Procter & Gamble Company Solvent extraction of polyhydroxyalkanoates from biomass
RU2199587C2 (ru) * 1995-08-21 2003-02-27 Дзе Проктер Энд Гэмбл Компани Способ выделения полигидроксиалканоата из биомассы и полигидроксиалканоат, полученный данным способом
US5821299A (en) * 1996-02-16 1998-10-13 The Proctor & Gamble Company Solvent extraction of polyhydroxy-alkanoates from biomass facilitated by the use of marginal nonsolvent
AU6974398A (en) * 1997-04-15 1998-11-11 Monsanto Company High temperature pha extraction using pha-poor solvents
WO1998046782A1 (en) * 1997-04-15 1998-10-22 Monsanto Company Methods of pha extraction and recovery using non-halogenated solvents
JP2002510747A (ja) 1998-04-08 2002-04-09 メタボリックス,インコーポレイテッド バイオポリマーの分離および精製のための方法
JP4790912B2 (ja) * 1999-05-12 2011-10-12 メタボリックス,インコーポレイテッド ポリヒドロキシアルカノエートを精製するための方法
ES2319537T3 (es) * 2003-11-28 2009-05-08 Phb Industrial S.A. Proceso de recuperacion de polihidroxialcanoatos (phas) procedentes de una biomasa celular.
US20080139702A1 (en) * 2004-08-06 2008-06-12 Phb Industrial S.A. Use of Fatty Alcohols as Plasticizer to Improve the Physical-Mechanical Properties and Processability of Phb and its Co-Polymers
JP5507793B2 (ja) * 2004-09-30 2014-05-28 メレディアン, インク. ポリヒドロキシアルカノエートの製造方法
US20060105440A1 (en) * 2004-09-30 2006-05-18 Koichi Kinoshita Method of producing polyhydroxyalkanoate
BRPI0501844B1 (pt) * 2005-03-04 2019-12-24 Phb Ind S/A processo para extração e recuperação de polihidroxialcanoatos (phas) a partir de uma biomassa celular bacteriana
US7514525B2 (en) * 2007-03-09 2009-04-07 University Of Hawaii Recovery and purification of polyhydroxyalkanoates
CN102634063A (zh) * 2011-02-10 2012-08-15 元智大学 降解聚羟基烷酸类高分子的方法
ES2448823B1 (es) 2012-08-14 2014-10-13 Neol Biosolutions, S.A. Producción de bioplásticos
WO2015023671A1 (en) 2013-08-15 2015-02-19 Intuitive Surgical Operations, Inc. Systems and methods for medical procedure confirmation
CZ307015B6 (cs) 2014-06-03 2017-11-15 Nafigate Corporation, A.S. Způsob izolace polyhydroxyalkanoátů z biomasy fermentované mikroorganismy produkujícími polyhydroxyalkanoáty a/nebo z biomasy obsahující alespoň jednu plodinu produkující polyhydroxyalkanoáty
EP3182921B1 (en) 2014-08-22 2024-01-03 Intuitive Surgical Operations, Inc. Systems and methods for adaptive input mapping
US11033296B2 (en) 2014-08-23 2021-06-15 Intuitive Surgical Operations, Inc. Systems and methods for dynamic trajectory control
JP7017931B2 (ja) 2014-11-13 2022-02-09 インテュイティブ サージカル オペレーションズ, インコーポレイテッド 位置特定データをフィルタリングするシステム及び方法
EP4657376A3 (en) 2015-08-14 2026-03-04 Intuitive Surgical Operations, Inc. Systems and methods of registration for image-guided surgery
US11202680B2 (en) 2015-08-14 2021-12-21 Intuitive Surgical Operations, Inc. Systems and methods of registration for image-guided surgery
JP7118890B2 (ja) 2016-02-12 2022-08-16 インテュイティブ サージカル オペレーションズ, インコーポレイテッド 画像誘導手術において位置合わせされた蛍光透視画像を使用するためのシステム及び方法
KR102787451B1 (ko) 2016-02-12 2025-03-27 인튜어티브 서지컬 오퍼레이션즈 인코포레이티드 영상 안내 수술에서 투시 영상화 시스템의 자세 추정 및 보정 시스템 및 방법
JP2019523665A (ja) 2016-05-31 2019-08-29 インテュイティブ サージカル オペレーションズ, インコーポレイテッド 柔軟な生検針システム
EP4710890A3 (en) 2016-06-30 2026-05-27 Intuitive Surgical Operations, Inc. Graphical user interface for displaying guidance information in a plurality of modes during an image-guided procedure
KR102387222B1 (ko) 2016-06-30 2022-04-18 인튜어티브 서지컬 오퍼레이션즈 인코포레이티드 영상 안내식 시술 중에 안내 정보를 디스플레이하기 위한 그래픽 사용자 인터페이스
WO2018005928A1 (en) 2016-07-01 2018-01-04 Intuitive Surgical Operations, Inc. Systems and methods for flexible computer-assisted instrument control
US11628013B2 (en) 2016-08-23 2023-04-18 Intuitive Surgical Operations, Inc. Systems and methods for monitoring patient motion during a medical procedure
KR102401263B1 (ko) 2016-09-21 2022-05-24 인튜어티브 서지컬 오퍼레이션즈 인코포레이티드 기구 좌굴 검출을 위한 시스템들 및 방법들
EP3534818B1 (en) 2016-11-02 2023-09-20 Intuitive Surgical Operations, Inc. Systems for continuous registration for image-guided surgery
EP3551114B1 (en) 2016-12-08 2025-07-16 Intuitive Surgical Operations, Inc. Systems and methods for generating a model of patient anatomy comprising anatomical passageways
EP4104746B1 (en) 2016-12-09 2023-12-06 Intuitive Surgical Operations, Inc. System and method for distributed heat flux sensing of body tissue
EP3565498B1 (en) 2017-01-09 2026-07-15 Intuitive Surgical Operations, Inc. Systems for registering elongate devices to three dimensional images in image-guided procedures
EP3600112A4 (en) 2017-03-22 2020-10-28 Intuitive Surgical Operations Inc. SYSTEMS AND METHODS FOR INTELLIGENT SEEDING RECORDING
EP3613057B1 (en) 2017-04-18 2025-06-04 Intuitive Surgical Operations, Inc. Graphical user interface for planning a procedure
US11937880B2 (en) 2017-04-18 2024-03-26 Intuitive Surgical Operations, Inc. Graphical user interface for monitoring an image-guided procedure
US11559357B2 (en) 2017-06-23 2023-01-24 Intuitive Surgical Operations, Inc. Systems and methods for navigating to a target location during a medical procedure
JP7213867B2 (ja) 2017-08-16 2023-01-27 インテュイティブ サージカル オペレーションズ, インコーポレイテッド 医療処置中に患者の動きをモニタするためのシステムおよび方法
WO2019094099A1 (en) 2017-11-10 2019-05-16 Intuitive Surgical Operations, Inc. Tension control in actuation of jointed instruments
CN111684650B (zh) 2018-03-29 2024-12-24 直观外科手术操作公司 与柔性天线相关的系统和方法
KR102843196B1 (ko) 2018-04-25 2025-08-08 인튜어티브 서지컬 오퍼레이션즈 인코포레이티드 세장형 장치와 관련된 시스템 및 방법
CN112074867B (zh) 2018-05-11 2025-05-02 直观外科手术操作公司 与用于图像引导手术的配准有关的系统和方法
KR102882050B1 (ko) 2018-05-15 2025-11-07 인튜어티브 서지컬 오퍼레이션즈 인코포레이티드 카테터 제어 시스템의 백엔드 메커니즘
WO2019241242A1 (en) 2018-06-13 2019-12-19 Intuitive Surgical Operations, Inc. Systems and methods for powering an antenna
CN112423652B (zh) 2018-06-19 2026-03-13 直观外科手术操作公司 与用于图像引导外科手术的配准相关的系统和方法
EP3809943A1 (en) 2018-06-19 2021-04-28 Intuitive Surgical Operations, Inc. Systems and methods for holding a flexible elongate device in a pose
CN121983266A (zh) 2018-07-10 2026-05-05 直观外科手术操作公司 用于工具检测和相关联的控制模式的系统和方法
US12324560B2 (en) 2018-07-10 2025-06-10 Intuitive Surgical Operations, Inc. Systems and methods for detecting an orientation of medical instruments
US12343221B2 (en) 2018-07-10 2025-07-01 Intuitive Surgical Operations, Inc. Systems and methods for sensing presence of medical tools
EP3861530A1 (en) 2018-10-04 2021-08-11 Intuitive Surgical Operations, Inc. Graphical user interface for defining an anatomical boundary
EP3860497A1 (en) 2018-10-04 2021-08-11 Intuitive Surgical Operations, Inc. Systems and methods for device verification and sensor calibration
WO2020072415A1 (en) 2018-10-04 2020-04-09 Intuitive Surgical Operations, Inc. Systems and methods for control of steerable devices
WO2020072460A2 (en) 2018-10-04 2020-04-09 Intuitive Surgical Operations, Inc. Systems and methods for motion control of steerable devices
KR102813673B1 (ko) 2018-10-05 2025-05-30 인튜어티브 서지컬 오퍼레이션즈 인코포레이티드 의료 기구를 배치하기 위한 시스템 및 방법
EP4663093A3 (en) 2019-02-26 2026-01-21 Intuitive Surgical Operations, Inc. Systems for registration of patient anatomy
CN113766868A (zh) 2019-03-15 2021-12-07 直观外科手术操作公司 用于在医疗程序期间确定弯折和患者移动的系统
CN113710145A (zh) 2019-03-15 2021-11-26 直观外科手术操作公司 用于患者解剖体的增强的配准的系统
EP4034027B1 (en) 2019-09-26 2025-11-05 Intuitive Surgical Operations, Inc. Method and system for controlling flexible devices in presence of abnormal sensor signals
WO2021092116A1 (en) 2019-11-08 2021-05-14 Intuitive Surgical Operations, Inc. Systems for registering an instrument to an image using change in instrument position data
US20220392087A1 (en) 2019-11-08 2022-12-08 Intuitive Surgical Operations, Inc. Systems and methods for registering an instrument to an image using point cloud data
WO2021127237A1 (en) 2019-12-20 2021-06-24 Intuitive Surgical Operations, Inc. Systems for progressive registration
US12383341B2 (en) 2019-12-30 2025-08-12 Intuitive Surgical Operations, Inc. Systems and methods for automatically generating an anatomical boundary
US20230091099A1 (en) 2019-12-30 2023-03-23 Intuitive Surgical Operations, Inc. Systems and methods for indicating approach to an anatomical boundary
US20230071306A1 (en) 2020-02-21 2023-03-09 Intuitive Surgical Operations, Inc. Systems and methods for delivering targeted therapy
EP4271310B1 (en) 2020-12-30 2026-04-29 Intuitive Surgical Operations, Inc. Systems for integrating intraoperative image data with minimally invasive medical techniques
CN116829089A (zh) 2020-12-30 2023-09-29 直观外科手术操作公司 用于基于术中成像更新图形用户界面的系统
CN116940284A (zh) 2021-03-10 2023-10-24 直观外科手术操作公司 用于配准术中图像数据的系统和方法
WO2023034071A1 (en) 2021-09-03 2023-03-09 Intuitive Surgical Operations, Inc. Ultrasound elongate instrument systems and methods
CN118251184A (zh) 2021-11-12 2024-06-25 直观外科手术操作公司 活检工具
WO2023129934A1 (en) 2021-12-31 2023-07-06 Intuitive Surgical Operations, Inc. Systems and methods for integrating intra-operative image data with minimally invasive medical techniques
US20250268677A1 (en) 2022-04-20 2025-08-28 Intuitive Surgical Operations, Inc. Systems and methods for positioning medical instruments
CN119730807A (zh) 2022-05-18 2025-03-28 直观外科手术操作公司 使用主动植入物的医疗程序和系统
CN119730806A (zh) 2022-06-29 2025-03-28 直观外科手术操作公司 用于确定医疗器械的部署方位的系统和方法
US20260097185A1 (en) 2022-09-19 2026-04-09 Intuitive Surgical Operations, Inc. Systems and methods for varying bending stiffness of a flexible elongate device
CN119907643A (zh) 2022-09-23 2025-04-29 直观外科手术操作公司 用于外部成像设备的成像取向规划
CN120826721A (zh) 2023-03-13 2025-10-21 直观外科手术操作公司 利用空间上下文进行里程碑检测的系统和方法
WO2024206553A1 (en) 2023-03-31 2024-10-03 Intuitive Surgical Operations, Inc. Systems and methods for providing navigation guidance for an elongate device
EP4709312A1 (en) 2023-05-08 2026-03-18 Intuitive Surgical Operations, Inc. Systems and methods for intraoperatively updating a graphical user interface based on intraoperative imaging data
EP4780369A1 (en) 2023-09-21 2026-07-29 Intuitive Surgical Operations, Inc. Medical tool with signal window and methods of use
WO2026030351A1 (en) 2024-07-30 2026-02-05 Intuitive Surgical Operations, Inc. Systems and methods for reducing fogging of an optical surface of an imaging device

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1934677A (en) * 1930-09-02 1933-11-14 California Packing Corp Method of treating fish
US2602045A (en) * 1946-08-03 1952-07-01 Commercial Solvents Corp Azeotropic distillation process for preparing pure, crystalline penicillin salts
DE1263006B (de) * 1964-05-22 1968-03-14 Huels Chemische Werke Ag Verfahren zur Aufarbeitung der bei der Herstellung von 2-Alkyl-delta 2-oxazolinen anfallenden wasserhaltigen Reaktionsgemische
US3687819A (en) * 1970-04-03 1972-08-29 Viobin Corp Process and apparatus for producing fat and nutritious defatted solids from fatty biological material containing water
JPS5428895A (en) * 1977-08-01 1979-03-03 Kao Corp Dehydration purification of fermentation products
FR2446859A1 (fr) * 1979-01-22 1980-08-14 Solvay Procede de separation de poly-b-hydroxybutyrates d'une biomasse
EP0015123B1 (en) * 1979-02-21 1982-12-22 Imperial Chemical Industries Plc A process for the extraction of poly-3-hydroxy-butyric acid from microbial cells
FR2486072A1 (fr) * 1980-07-03 1982-01-08 Solvay Procede pour la fabrication de l'acide b-hydroxybutyrique et de ses oligocondensats
DE3161370D1 (en) * 1980-08-13 1983-12-15 Ici Plc Extraction of poly(beta-hydroxy butyric acid)
DE3264345D1 (en) * 1981-02-12 1985-08-01 Ici Plc Extraction of poly(beta-hydroxybutyric acid)
GB2120671B (en) * 1982-05-27 1986-02-12 Ici Plc Separation process
GB8311677D0 (en) * 1983-04-28 1983-06-02 Ici Plc Extraction process

Also Published As

Publication number Publication date
ATE32102T1 (de) 1988-02-15
EP0168095B1 (fr) 1988-01-20
JPS6135790A (ja) 1986-02-20
FR2567149A1 (fr) 1986-01-10
EP0168095A1 (fr) 1986-01-15
DE3561472D1 (en) 1988-02-25
US4705604A (en) 1987-11-10
JPH0581239B2 (enFirst) 1993-11-11

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