[go: up one dir, main page]

DK181886A - Acyleret polyethylenimin-bundet chromatografisk fyldning, dens fremstilling og anvendelse - Google Patents

Acyleret polyethylenimin-bundet chromatografisk fyldning, dens fremstilling og anvendelse Download PDF

Info

Publication number
DK181886A
DK181886A DK181886A DK181886A DK181886A DK 181886 A DK181886 A DK 181886A DK 181886 A DK181886 A DK 181886A DK 181886 A DK181886 A DK 181886A DK 181886 A DK181886 A DK 181886A
Authority
DK
Denmark
Prior art keywords
preparation
acylated
bonded chromatographic
chromatographic filling
polyethylenimine
Prior art date
Application number
DK181886A
Other languages
English (en)
Other versions
DK162020B (da
DK181886D0 (da
DK162020C (da
Inventor
Hugh E Ramsden
Michael Henry
Original Assignee
Baker Chem Co J T
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 Baker Chem Co J T filed Critical Baker Chem Co J T
Publication of DK181886D0 publication Critical patent/DK181886D0/da
Publication of DK181886A publication Critical patent/DK181886A/da
Publication of DK162020B publication Critical patent/DK162020B/da
Application granted granted Critical
Publication of DK162020C publication Critical patent/DK162020C/da

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/26Synthetic macromolecular compounds
    • B01J20/262Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon to carbon unsaturated bonds, e.g. obtained by polycondensation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D15/00Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
    • B01D15/08Selective adsorption, e.g. chromatography
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D15/00Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/103Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate comprising silica
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28002Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their physical properties
    • B01J20/28004Sorbent size or size distribution, e.g. particle size
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28054Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J20/28078Pore diameter
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/281Sorbents specially adapted for preparative, analytical or investigative chromatography
    • B01J20/286Phases chemically bonded to a substrate, e.g. to silica or to polymers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/281Sorbents specially adapted for preparative, analytical or investigative chromatography
    • B01J20/291Gel sorbents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30Processes for preparing, regenerating, or reactivating
    • B01J20/3092Packing of a container, e.g. packing a cartridge or column
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30Processes for preparing, regenerating, or reactivating
    • B01J20/32Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
    • B01J20/3202Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the carrier, support or substrate used for impregnation or coating
    • B01J20/3204Inorganic carriers, supports or substrates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30Processes for preparing, regenerating, or reactivating
    • B01J20/32Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
    • B01J20/3214Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the method for obtaining this coating or impregnating
    • B01J20/3217Resulting in a chemical bond between the coating or impregnating layer and the carrier, support or substrate, e.g. a covalent bond
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30Processes for preparing, regenerating, or reactivating
    • B01J20/32Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
    • B01J20/3214Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the method for obtaining this coating or impregnating
    • B01J20/3217Resulting in a chemical bond between the coating or impregnating layer and the carrier, support or substrate, e.g. a covalent bond
    • B01J20/3219Resulting in a chemical bond between the coating or impregnating layer and the carrier, support or substrate, e.g. a covalent bond involving a particular spacer or linking group, e.g. for attaching an active group
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30Processes for preparing, regenerating, or reactivating
    • B01J20/32Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
    • B01J20/3231Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
    • B01J20/3242Layers with a functional group, e.g. an affinity material, a ligand, a reactant or a complexing group
    • B01J20/3244Non-macromolecular compounds
    • B01J20/3246Non-macromolecular compounds having a well defined chemical structure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30Processes for preparing, regenerating, or reactivating
    • B01J20/32Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
    • B01J20/3231Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
    • B01J20/3242Layers with a functional group, e.g. an affinity material, a ligand, a reactant or a complexing group
    • B01J20/3268Macromolecular compounds
    • B01J20/3272Polymers obtained by reactions otherwise than involving only carbon to carbon unsaturated bonds
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F7/00Compounds containing elements of Groups 4 or 14 of the Periodic Table
    • C07F7/02Silicon compounds
    • C07F7/08Compounds having one or more C—Si linkages
    • C07F7/12Organo silicon halides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00Aspects relating to sorbent materials
    • B01J2220/50Aspects relating to the use of sorbent or filter aid materials
    • B01J2220/54Sorbents specially adapted for analytical or investigative chromatography
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00Aspects relating to sorbent materials
    • B01J2220/50Aspects relating to the use of sorbent or filter aid materials
    • B01J2220/58Use in a single column

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
DK181886A 1985-04-22 1986-04-21 N-acyleret polyethylenimin-bundet chromatografisk fyldning, dens fremstilling og anvendelse DK162020C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/725,807 US4551245A (en) 1985-04-22 1985-04-22 Acylated polyethylenimine bound chromatographic packing
US72580785 1985-04-22

Publications (4)

Publication Number Publication Date
DK181886D0 DK181886D0 (da) 1986-04-21
DK181886A true DK181886A (da) 1986-10-23
DK162020B DK162020B (da) 1991-09-09
DK162020C DK162020C (da) 1992-02-10

Family

ID=24916047

Family Applications (1)

Application Number Title Priority Date Filing Date
DK181886A DK162020C (da) 1985-04-22 1986-04-21 N-acyleret polyethylenimin-bundet chromatografisk fyldning, dens fremstilling og anvendelse

Country Status (13)

Country Link
US (1) US4551245A (da)
EP (1) EP0199222B1 (da)
JP (1) JPS61264254A (da)
KR (1) KR890002847B1 (da)
AT (1) ATE46281T1 (da)
AU (1) AU576144B2 (da)
CA (1) CA1256418A (da)
DE (1) DE3665547D1 (da)
DK (1) DK162020C (da)
IE (1) IE59080B1 (da)
IL (1) IL78226A (da)
NZ (1) NZ215556A (da)
ZA (1) ZA862052B (da)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6177760A (ja) * 1984-09-26 1986-04-21 Daicel Chem Ind Ltd 分離剤
JPS6276457A (ja) * 1985-09-30 1987-04-08 Shimadzu Corp 液体クロマトグラフイ用充填剤
US4650784A (en) * 1986-02-20 1987-03-17 J. T. Baker Chemical Company Bonded phase of silica for solid phase extraction
US4680121A (en) * 1986-02-20 1987-07-14 J. T. Baker Chemical Company Bonded phase of silica for solid phase extraction
US5066395A (en) * 1986-03-06 1991-11-19 J. T. Baker Inc. N-acylated derivatives of polyethyleneimine bonded phase silica products
US4661248A (en) * 1986-03-06 1987-04-28 J. T. Baker Chemical Company Sulfonic derivatives of acylated polyethyleneimine bonded phase silica products
US4721573A (en) * 1986-03-06 1988-01-26 J. T. Baker Chemical Company Use of sulfonic derivatives of acylated polyethyleneimine bonded phase silica products
US4804686A (en) * 1986-05-13 1989-02-14 Purdue Research Foundation Cation-exchange support materials and method
US4920152A (en) * 1986-05-13 1990-04-24 Purdue Research Foundation Reversed-phase packing material and method
SE464687B (sv) * 1987-11-10 1991-06-03 Biocarb Ab Foerfarande foer framstaellning av en gelprodukt
DE3811042A1 (de) * 1988-03-31 1989-10-19 Merck Patent Gmbh Ionenaustauscher
EP0386926A3 (en) * 1989-03-02 1991-12-18 Supelco, Inc. Silica gel supports suitable for chromatographic separations
CA1332598C (en) * 1989-06-20 1994-10-18 Laura J. Crane Polyethyleneimine matrixes for affinity chromatography
US5641403A (en) * 1993-07-16 1997-06-24 Merck Patent Gesellschaft Mit Beschrankter Haftung Separating materials for hydrophobic chromatography
DE4333674A1 (de) * 1993-10-02 1995-04-06 Merck Patent Gmbh Nukleotidhaltiges Sorbens für die Affinitätschromatographie
DE4333821A1 (de) * 1993-10-04 1995-04-06 Merck Patent Gmbh Ionenaustauscher
DE4334353A1 (de) * 1993-10-08 1995-04-13 Merck Patent Gmbh Verfahren und Träger für die Gelpermeationschromatographie
US5695882A (en) * 1995-08-17 1997-12-09 The University Of Montana System for extracting soluble heavy metals from liquid solutions
US5869152A (en) * 1996-03-01 1999-02-09 The Research Foundation Of State University Of New York Silica materials
AU7595701A (en) 2000-07-17 2002-01-30 Harvard College Surfaces that resist the adsorption of biological species
DE10120821A1 (de) * 2001-04-27 2002-10-31 Sachtleben Chemie Gmbh Mit Polyalken beschichtete, poröse Füllstoffe
US6987079B2 (en) * 2001-08-14 2006-01-17 W.R. Grace & Co.-Conn. Supported catalyst systems
US6802966B2 (en) * 2001-08-14 2004-10-12 W. R. Grace & Co. Conn. Solid compositions for selective adsorption from complex mixtures
US6923895B2 (en) * 2002-09-09 2005-08-02 Beckman Coulter, Inc. Coated capillary electrophoresis tubes and system
MY144940A (en) * 2005-01-25 2011-11-30 Avantor Performance Mat Inc Chromatographic media
TW201138974A (en) 2010-04-05 2011-11-16 Avantor Performance Mat Inc Process for trypsin and chymotrypsin purification utilizing hydrophobic interaction chromatography
WO2012151352A2 (en) * 2011-05-03 2012-11-08 Avantor Performance Materials, Inc. A novel chromatographic media based on allylamine and its derivative for protein purification
CN104968403A (zh) 2012-09-17 2015-10-07 格雷斯公司 色谱介质和装置
CN107847907A (zh) 2014-05-02 2018-03-27 格雷斯公司 官能化载体材料以及制备和使用官能化载体材料的方法
JP2016006410A (ja) * 2014-05-27 2016-01-14 Jnc株式会社 クロマトグラフィー担体およびそれを用いたタンパク質精製方法
SG10201911134QA (en) 2015-06-05 2020-01-30 Grace W R & Co Adsorbent bioprocessing clarification agents and methods of making and using the same
CN112584924B (zh) * 2018-08-31 2023-07-14 株式会社力森诺科 离子色谱用填料和其制造方法
WO2021163910A1 (en) * 2020-02-19 2021-08-26 Bio-Rad Laboratories, Inc. Method of preparing polymer-filled chromatography resin

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3722181A (en) * 1970-05-22 1973-03-27 Du Pont Chromatographic packing with chemically bonded organic stationary phases
DE2236862C2 (de) * 1972-07-27 1974-09-05 Istvan Prof. Dr. 6600 Saarbruecken Halasz Sorptionsmittel für die Chromatographie
US4212905A (en) * 1976-06-30 1980-07-15 Board of Reagents, for and on behalf of the University of Florida Method of coating supports using addition copolymers of aminimides
US4290892A (en) * 1978-10-23 1981-09-22 Varian Associates, Inc. Anion exchange chromatographic separation of polyfunctional compounds
US4245005A (en) * 1979-02-28 1981-01-13 Purdue Research Foundation Pellicular coated support and method
US4431544A (en) * 1981-04-27 1984-02-14 The Public Health Laboratory Service Board High pressure liquid affinity chromatography
JPS5950358A (ja) * 1982-09-14 1984-03-23 Sumitomo Chem Co Ltd 光学活性なカルボン酸をグラフトしたクロマトグラフ充填剤およびそれを用いる鏡像体混合物の分離法
US4469630A (en) * 1983-11-25 1984-09-04 J. T. Baker Chemical Co. Purification of monoclonal antibodies

Also Published As

Publication number Publication date
IL78226A0 (en) 1986-07-31
EP0199222A3 (en) 1987-05-06
NZ215556A (en) 1989-04-26
JPH0370182B2 (da) 1991-11-06
EP0199222A2 (en) 1986-10-29
JPS61264254A (ja) 1986-11-22
EP0199222B1 (en) 1989-09-13
CA1256418A (en) 1989-06-27
IE860686L (en) 1986-10-22
DK162020B (da) 1991-09-09
KR860008190A (ko) 1986-11-12
AU5504586A (en) 1986-10-30
AU576144B2 (en) 1988-08-11
US4551245A (en) 1985-11-05
DE3665547D1 (en) 1989-10-19
DK181886D0 (da) 1986-04-21
ATE46281T1 (de) 1989-09-15
IL78226A (en) 1989-10-31
KR890002847B1 (ko) 1989-08-05
ZA862052B (en) 1987-02-25
IE59080B1 (en) 1994-01-12
DK162020C (da) 1992-02-10

Similar Documents

Publication Publication Date Title
DK181886A (da) Acyleret polyethylenimin-bundet chromatografisk fyldning, dens fremstilling og anvendelse
IE843005L (en) Polyethylenimine bound chromatographic packing
AU545870B2 (en) Acoustic degasification of pressurized liquids
AU575382B2 (en) Gas/liquid contacting column
AU561458B2 (en) Adjustable length pneumatic support column
IT8667493A1 (it) Procedimento per la fabbricazione di perline vetrose.
NO880715D0 (no) Glassrute-tetningsanordning.
GB8423191D0 (en) Bottle support
AU542908B2 (en) Column for liquid and gas chromatography
AU4831685A (en) Preparing silica tube preform from gel
AU558605B2 (en) Bottle cap
EP0162520A3 (en) Gas/liquid contacting column
AU1560388A (en) Adsorption of proteins from fluids using composite gels
AU4078285A (en) Sterilizing glass vessels
KR810001826Y1 (en) Unrefined rice wine bottle cap
GB8417997D0 (en) Pliable quartz capillary chromatographic columns
AU6352580A (en) Chromatographic column packing
AU2257483A (en) Modified liquid permeable asbestos diaphragms
AU1664083A (en) Insulated pipe support component
IE851399L (en) Production of glass containers.
IT1187843B (it) Mobile vetrato per l esposizione di prodotti particolarmente prodotti alimentari
PL251579A1 (en) Relative liquid or gas pressure transducer
IT1162856B (it) Procedimento per la produzione di vino spumante
ES276504Y (es) Frasco aplicador de liquidos
AU589561B2 (en) Free flowing pharmaceutical powder comprising silica or silicate

Legal Events

Date Code Title Description
PUP Patent expired