NO20016297D0 - Fremgangsmåte for rensing av aldehydurenheter - Google Patents

Fremgangsmåte for rensing av aldehydurenheter

Info

Publication number
NO20016297D0
NO20016297D0 NO20016297A NO20016297A NO20016297D0 NO 20016297 D0 NO20016297 D0 NO 20016297D0 NO 20016297 A NO20016297 A NO 20016297A NO 20016297 A NO20016297 A NO 20016297A NO 20016297 D0 NO20016297 D0 NO 20016297D0
Authority
NO
Norway
Prior art keywords
purification
poloxamer
solvent
acid
aldehyde units
Prior art date
Application number
NO20016297A
Other languages
English (en)
Other versions
NO318915B1 (no
NO20016297L (no
Inventor
Mats Berg
Alf Djurle
Magnus Melin
Peter Nyman
Original Assignee
Dentsply Anesthetics Sarl
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 Dentsply Anesthetics Sarl filed Critical Dentsply Anesthetics Sarl
Publication of NO20016297D0 publication Critical patent/NO20016297D0/no
Publication of NO20016297L publication Critical patent/NO20016297L/no
Publication of NO318915B1 publication Critical patent/NO318915B1/no

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/30—Post-polymerisation treatment, e.g. recovery, purification, drying

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyethers (AREA)
NO20016297A 1999-06-21 2001-12-20 Fremgangsmate for rensing av poloksamer for aldehydurenheter NO318915B1 (no)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9902364A SE9902364D0 (sv) 1999-06-21 1999-06-21 New process
PCT/SE2000/001305 WO2000078841A1 (en) 1999-06-21 2000-06-19 New process for the purification of aldehyde impurities
US09/656,036 US6448371B1 (en) 1999-06-21 2000-09-08 Process for the purification of aldehyde impurities

Publications (3)

Publication Number Publication Date
NO20016297D0 true NO20016297D0 (no) 2001-12-20
NO20016297L NO20016297L (no) 2002-02-04
NO318915B1 NO318915B1 (no) 2005-05-23

Family

ID=26663601

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20016297A NO318915B1 (no) 1999-06-21 2001-12-20 Fremgangsmate for rensing av poloksamer for aldehydurenheter

Country Status (18)

Country Link
US (1) US6448371B1 (no)
EP (1) EP1192204B1 (no)
JP (1) JP2003503517A (no)
CN (1) CN1139615C (no)
AT (1) ATE312863T1 (no)
AU (1) AU765560B2 (no)
BR (1) BR0011815B1 (no)
CA (1) CA2377004A1 (no)
DE (1) DE60024821T2 (no)
DK (1) DK1192204T3 (no)
ES (1) ES2254200T3 (no)
IL (1) IL146746A0 (no)
MX (1) MXPA01013369A (no)
NO (1) NO318915B1 (no)
NZ (1) NZ515954A (no)
SE (1) SE9902364D0 (no)
WO (1) WO2000078841A1 (no)
ZA (1) ZA200109740B (no)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040266983A1 (en) * 2000-08-17 2004-12-30 Reeve Lorraine E Purified polyoxyalkylene block copolymers
ATE328028T1 (de) * 2001-05-01 2006-06-15 Union Carbide Chem Plastic Pharmazeutische zusammensetzung enthaltend polyalkylenoxide mit verringerten mengen an ameisensäure und ameisensäurederivaten
WO2003092649A2 (en) * 2002-04-29 2003-11-13 Alza Corporation Reduced formate poly(alkylene oxides) with secondary amines for reducing impurity formation
JP2005343964A (ja) * 2004-06-01 2005-12-15 Otsuka Pharmaceut Factory Inc ポリアルキレングリコール類含有水溶液、及びその調製方法
KR101343040B1 (ko) * 2010-12-28 2013-12-18 주식회사 삼양바이오팜 정제된 폴록사머 및 그의 정제방법
JP2013237638A (ja) * 2012-05-15 2013-11-28 Lion Corp 眼科組成物
EP3166617B1 (en) 2014-07-07 2024-01-10 LifeRaft Biosciences, Inc. A poloxamer composition free of long circulating material and methods for production and uses thereof
US20180353875A1 (en) 2015-12-22 2018-12-13 Basf Se A process for purification of polyether block copolymers
JP6634531B2 (ja) 2017-01-06 2020-01-22 三洋化成工業株式会社 ポリエーテルポリオールの製造方法及びポリウレタンフォームの製造方法
WO2018145949A1 (en) 2017-02-09 2018-08-16 Basf Se A process for purification of polyether block copolymers
KR20200100108A (ko) 2017-12-20 2020-08-25 바스프 에스이 양친매성 그라프트 공중합체를 세포 배양 시약으로 이용하여 세포 배양 시스템을 안정화하는 방법

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3036130A (en) * 1957-09-10 1962-05-22 Wyandotte Chemicals Corp Mixtures of novel conjugated polyoxyethylene-polyoxypropylene compounds
US3462379A (en) * 1965-12-02 1969-08-19 Dow Chemical Co Purification of poly(alkylene oxides)
US3546321A (en) * 1967-02-08 1970-12-08 Hercules Inc Polyether graft copolymers
US3639574A (en) * 1967-10-25 1972-02-01 Basf Wyandotte Corp Stable hydrogen peroxide gels
US3715402A (en) * 1969-08-08 1973-02-06 Basf Wyandotte Corp Removal of catalysts from polyols
US3674502A (en) * 1969-09-05 1972-07-04 Firmenich Inc Nonringing beverages containing poly(oxyethylene) - poly(oxypropylene) - poly(oxyethylene) copolymers
DE2755089C3 (de) * 1977-12-10 1982-05-13 Bayer Ag, 5090 Leverkusen Verfahren zur Reinigung von Rohpolyäthern
DE2854541A1 (de) * 1978-12-16 1980-06-26 Bayer Ag Verfahren zur reinigung nichtionischer emulgatoren
US4410447A (en) * 1980-11-12 1983-10-18 Union Carbide Corporation Low-foaming nonionic surfactants
US4606918A (en) * 1983-08-22 1986-08-19 Syntex (U.S.A.) Inc. Polyoxypropylene-polyoxyethylene block polymer based adjuvants
US5342541A (en) * 1989-03-29 1994-08-30 The Dow Chemical Company Purified hydroxy-functional polyether compounds
DE3913937A1 (de) * 1989-04-27 1990-10-31 Hoechst Ag Verfahren zur reinigung von alkylenoxid-addukten
JPH0791389B2 (ja) * 1989-05-17 1995-10-04 信越化学工業株式会社 精製されたポリエーテルシリコーン及びその製造方法
US5095061A (en) * 1990-07-13 1992-03-10 The Dow Chemical Company Process to reduce propenyl polyethers in hydroxyfunctional polyethers
US5268510A (en) * 1992-10-08 1993-12-07 Vista Chemical Company Process for purification of alkoxylated alcohols
KR0145350B1 (ko) * 1993-09-07 1998-07-15 사또오 아키오 폴리옥시알킬렌폴리올의 제조방법
CA2174394A1 (en) * 1995-06-12 1996-12-13 Timothy L. Lambert Process for preparing low unsaturation polyether polyols
US6166266A (en) * 1998-11-12 2000-12-26 Bp Amoco Corporation Preparation of polyoxymethylene dimethyl ethers by catalytic conversion of dimethyl ether with formaldehyde formed by oxidation of methanol

Also Published As

Publication number Publication date
ES2254200T3 (es) 2006-06-16
BR0011815B1 (pt) 2010-06-15
CN1357019A (zh) 2002-07-03
BR0011815A (pt) 2002-03-19
US6448371B1 (en) 2002-09-10
EP1192204A1 (en) 2002-04-03
ZA200109740B (en) 2003-03-03
IL146746A0 (en) 2002-07-25
AU6034300A (en) 2001-01-09
EP1192204B1 (en) 2005-12-14
NO318915B1 (no) 2005-05-23
JP2003503517A (ja) 2003-01-28
ATE312863T1 (de) 2005-12-15
NZ515954A (en) 2003-05-30
AU765560B2 (en) 2003-09-25
MXPA01013369A (es) 2002-07-30
DE60024821D1 (de) 2006-01-19
SE9902364D0 (sv) 1999-06-21
NO20016297L (no) 2002-02-04
CA2377004A1 (en) 2000-12-28
DK1192204T3 (da) 2006-02-20
CN1139615C (zh) 2004-02-25
DE60024821T2 (de) 2006-06-14
WO2000078841A1 (en) 2000-12-28

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