CH442802A - Füllkörper, der insbesondere für Chromatographiekolonnen geeignet ist - Google Patents

Füllkörper, der insbesondere für Chromatographiekolonnen geeignet ist

Info

Publication number
CH442802A
CH442802A CH1266863A CH1266863A CH442802A CH 442802 A CH442802 A CH 442802A CH 1266863 A CH1266863 A CH 1266863A CH 1266863 A CH1266863 A CH 1266863A CH 442802 A CH442802 A CH 442802A
Authority
CH
Switzerland
Prior art keywords
surface layer
porous
impermeable
layer
gas
Prior art date
Application number
CH1266863A
Other languages
German (de)
English (en)
Inventor
Istvan Dr Halasz
Csaba Dr Horvath
Original Assignee
Perkin Elmer Corp
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 Perkin Elmer Corp filed Critical Perkin Elmer Corp
Publication of CH442802A publication Critical patent/CH442802A/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/281—Sorbents specially adapted for preparative, analytical or investigative chromatography
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28002—Solid 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
    • B01J20/28004—Sorbent size or size distribution, e.g. particle size
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28014—Solid 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 form
    • B01J20/28016—Particle form
    • B01J20/28019—Spherical, ellipsoidal or cylindrical
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28054—Solid 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
    • B01J20/28057—Surface area, e.g. B.E.T specific surface area
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/281—Sorbents specially adapted for preparative, analytical or investigative chromatography
    • B01J20/282—Porous sorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/3078—Thermal treatment, e.g. calcining or pyrolizing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/3092—Packing of a container, e.g. packing a cartridge or column
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
    • B01J20/3202—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the carrier, support or substrate used for impregnation or coating
    • B01J20/3204—Inorganic carriers, supports or substrates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
    • B01J20/3231—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
    • B01J20/3234—Inorganic material layers
    • B01J20/3236—Inorganic material layers containing metal, other than zeolites, e.g. oxides, hydroxides, sulphides or salts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
    • B01J20/3231—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
    • B01J20/3234—Inorganic material layers
    • B01J20/324—Inorganic material layers containing free carbon, e.g. activated carbon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
    • B01J20/3291—Characterised by the shape of the carrier, the coating or the obtained coated product
    • B01J20/3293—Coatings on a core, the core being particle or fiber shaped, e.g. encapsulated particles, coated fibers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02—Column chromatography
    • G01N30/50—Conditioning of the sorbent material or stationary liquid
    • G01N30/56—Packing methods or coating methods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00—Aspects relating to sorbent materials
    • B01J2220/50—Aspects relating to the use of sorbent or filter aid materials
    • B01J2220/54—Sorbents specially adapted for analytical or investigative chromatography
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00—Aspects relating to sorbent materials
    • B01J2220/50—Aspects relating to the use of sorbent or filter aid materials
    • B01J2220/58—Use in a single column
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S73/00—Measuring and testing
    • Y10S73/08—Fluid circuits
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated
    • Y10T428/2993—Silicic or refractory material containing [e.g., tungsten oxide, glass, cement, etc.]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
CH1266863A 1962-10-23 1963-10-15 Füllkörper, der insbesondere für Chromatographiekolonnen geeignet ist CH442802A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEH47197A DE1183715B (de) 1962-10-23 1962-10-23 Kolonne fuer die gaschromatographische Trennung und Verfahren zu ihrer Herstellung

Publications (1)

Publication Number Publication Date
CH442802A true CH442802A (de) 1967-08-31

Family

ID=7156352

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1266863A CH442802A (de) 1962-10-23 1963-10-15 Füllkörper, der insbesondere für Chromatographiekolonnen geeignet ist

Country Status (5)

Country Link
US (1) US3340085A (en:Method)
CH (1) CH442802A (en:Method)
DE (1) DE1183715B (en:Method)
GB (1) GB1016635A (en:Method)
NL (2) NL149602B (en:Method)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3505785A (en) * 1967-06-20 1970-04-14 Du Pont Superficially porous supports for chromatography
DE1798116A1 (de) * 1968-08-24 1972-01-05 Merck Patent Gmbh Chromatographische Trennmittel
US3492792A (en) * 1968-09-11 1970-02-03 Pittsburgh Corning Corp Process and apparatus for gas chromatography
US3488922A (en) * 1968-10-10 1970-01-13 Du Pont Method and apparatus for chromatographic separations with superficially porous glass beads having sorptively active crusts
US3577266A (en) * 1969-01-13 1971-05-04 Du Pont Superficially porous chromatographic packing with sulfonated fluoropolymer coating
US3877894A (en) * 1974-01-18 1975-04-15 Atomic Energy Commission Gas chromatograph column material
US4070283A (en) * 1976-12-08 1978-01-24 E. I. Du Pont De Nemours And Company Controlled surface porosity particles and a method for their production
US4138336A (en) * 1977-12-02 1979-02-06 Minnesota Mining And Manufacturing Company Thin layer chromatographic plates
US4321065A (en) * 1980-12-18 1982-03-23 The Dow Chemical Company Lithium aluminates for gas chromatograph columns
US4477492A (en) * 1983-04-22 1984-10-16 E. I. Du Pont De Nemours And Company Process for preparing superficially porous supports for chromatography and catalysts
DE4038109C2 (de) * 1990-11-29 1994-07-07 Fraunhofer Ges Forschung Verfahren zur Herstellung von Formkörpern mit poröser Oberfläche und enger Oberflächenporenradienverteilung, nach dem Verfahren hergestellte Formkörper und Verwendung dieser Formkörper
EP1552286A1 (en) * 2002-10-09 2005-07-13 Université Catholique de Louvain Column for analytical temperature rising elution fractionation (atref)
WO2008151917A1 (en) * 2007-06-14 2008-12-18 Dublin City University Method for metal coated porous scaffold material
ES2746198T3 (es) * 2008-12-22 2020-03-05 Glatt Systemtechnik Gmbh Gránulo adsorbente de material compuesto, proceso para su producción y proceso de separación de gases
US9120037B2 (en) * 2010-01-25 2015-09-01 Spf Innovations, Llc Stackable planar adsorptive devices
US11219844B2 (en) 2010-01-25 2022-01-11 Spf Technologies Llc Stackable planar adsorptive devices
US10507409B2 (en) 2016-03-12 2019-12-17 Spf Technologies, Llc Hyper-productive chromatography system and process
US10391423B2 (en) 2010-01-25 2019-08-27 Spf Technologies Llc Stackable planar adsorptive devices
US11395980B2 (en) 2010-01-25 2022-07-26 Spf Technologies Llc Chromatographic cassette
USD655609S1 (en) 2010-02-09 2012-03-13 S.C. Johnson & Son, Inc. Bottle
US12409440B1 (en) 2016-01-26 2025-09-09 Spf Technologies Llc Separation module
CN114236013B (zh) * 2021-12-23 2024-09-03 广州合成材料研究院有限公司 一种测定水性氟树脂涂料基料中氟含量的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA594400A (en) * 1960-03-15 The Goodyear Tire And Rubber Company Thermosetting resin with hollow beads and metal powder
US2788297A (en) * 1951-11-15 1957-04-09 Myron A Coler Process of impact coating solid insulators with transparent conductive coatings
NL113384C (en:Method) * 1957-11-04
US3048029A (en) * 1959-03-19 1962-08-07 Jr Richard S Juvet Gas chromatographic analysis of inorganic materials
US3005514A (en) * 1959-04-20 1961-10-24 Cons Electrodynamics Corp Fluid treating columns
US3232782A (en) * 1960-08-05 1966-02-01 Owens Corning Fiberglass Corp High temperature resistant vitreous material and method of producing same
GB979559A (en) * 1962-09-25 1965-01-06 British Petroleum Co Improvements in or relating to the separation of organic compounds by gas chromatography

Also Published As

Publication number Publication date
US3340085A (en) 1967-09-05
DE1183715B (de) 1964-12-17
NL299290A (en:Method)
NL149602B (nl) 1976-05-17
GB1016635A (en) 1966-01-12

Similar Documents

Publication Publication Date Title
DE1183715B (de) Kolonne fuer die gaschromatographische Trennung und Verfahren zu ihrer Herstellung
DE2317455C3 (de) Chromatographisches Füllmaterial
DE2754360C2 (en:Method)
DE3722102C2 (en:Method)
DE3852812T2 (de) Porige zusammengesetzte Werkstoffe und Verfahren zu deren Herstellung.
DE6603321U (de) Verfahren zur herstellung von pulverbedecktem schaumstoff
DE69810735T2 (de) Zusammensetzung für die Behandlung von Wasser und deren Verfahren zur Herstellung
DE2748209A1 (de) Verfahren zum entfernen von stickstoffoxiden
DE69005306T2 (de) Herstellungsverfahren für ein pulver aus geordneten teilchen durch zerstäubung ausgehend von mindestens zwei verschiedenen korngerössen und ein dadurch hergestelltes pulver.
DE1183716B (de) Verfahren zur Herstellung einer Trennsaeule fuer die Gaschromatographie
DE2011306C3 (de) Verfahren und Vorrichtung zum Einhüllen oder Einkapseln pulverförmiger Stoffe
CH633974A5 (en) Granular material and process for preparing it
DE2007809C3 (de) Verfahren zur Herstellung von Kügelchen
DE1917930B2 (de) Verfahren zur herstellung kugelfoermiger, in eine huelle aus polymerem material eingeschlossener fester teilchen
DE2816574A1 (de) Fluoreszenz-indikatoren zur verwendung in der chromatographie und diese enthaltende sorptionsmittel
DE2952666A1 (de) Verfahren zur herstellung eines als adsorbens brauchbaren kugelfoermigen gamma -aluminiumoxydes mit hoher mechanischer festigkeit
DE1282323B (de) Kolonne fuer die chromatographische Trennung fuer Fluessigkeiten und Verfahren zu ihrer Herstellung
CH645078A5 (de) Verfahren zur herstellung von aluminiumoxyd fuer schichtchromatographische zwecke.
DE1492152B1 (de) Anthelmintische,veterinaermedizinische Zubereitung
DE2856056C2 (de) Verfahren zur Herstellung von wasserfesten Chromatographie-Fertigpräparationen
DE699574C (de) Verfahren zur Herstellung eines Arzneimittels in koerniger oder kugeliger Form
DE1758980C2 (de) Die Schweißung bestimmter Zonen beim autogenen Verschweißen zweier Metallteile, insbesondere aus Kupfer oder Kupferlegierungen, verhinderndes Gemisch
DE1769628C3 (de) Füllkörper oder Adsorptionsmittel für die Chromatographie und Verfahren zu deren Herstellung
DE1567967A1 (de) Verfahren zur Herstellung von granulierten Produkten
EP0057388A2 (de) Verfahren zum Benetzbarmachen von Substraten