NL153912B - Werkwijze voor de bereiding van droge microkristallijne cellulose. - Google Patents

Werkwijze voor de bereiding van droge microkristallijne cellulose.

Info

Publication number
NL153912B
NL153912B NL686801945A NL6801945A NL153912B NL 153912 B NL153912 B NL 153912B NL 686801945 A NL686801945 A NL 686801945A NL 6801945 A NL6801945 A NL 6801945A NL 153912 B NL153912 B NL 153912B
Authority
NL
Netherlands
Prior art keywords
preparation
microcrystalline cellulose
dry microcrystalline
dry
cellulose
Prior art date
Application number
NL686801945A
Other languages
English (en)
Dutch (nl)
Other versions
NL6801945A (OSRAM
Original Assignee
Fmc 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 Fmc Corp filed Critical Fmc Corp
Publication of NL6801945A publication Critical patent/NL6801945A/xx
Publication of NL153912B publication Critical patent/NL153912B/xx

Links

Classifications

    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23GCOCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
    • A23G9/00Frozen sweets, e.g. ice confectionery, ice-cream; Mixtures therefor
    • A23G9/52Liquid products; Solid products in the form of powders, flakes or granules for making liquid products ; Finished or semi-finished solid products, frozen granules
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES, NOT OTHERWISE PROVIDED FOR; PREPARATION OR TREATMENT THEREOF
    • A23L29/00Foods or foodstuffs containing additives; Preparation or treatment thereof
    • A23L29/20Foods or foodstuffs containing additives; Preparation or treatment thereof containing gelling or thickening agents
    • A23L29/206Foods or foodstuffs containing additives; Preparation or treatment thereof containing gelling or thickening agents of vegetable origin
    • A23L29/262Cellulose; Derivatives thereof, e.g. ethers
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES, NOT OTHERWISE PROVIDED FOR; PREPARATION OR TREATMENT THEREOF
    • A23L33/00Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
    • A23L33/20Reducing nutritive value; Dietetic products with reduced nutritive value
    • A23L33/21Addition of substantially indigestible substances, e.g. dietary fibres
    • A23L33/24Cellulose or derivatives thereof
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08BPOLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B11/00Preparation of cellulose ethers
    • C08B11/02Alkyl or cycloalkyl ethers
    • C08B11/04Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals
    • C08B11/10Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals substituted with acid radicals
    • C08B11/12Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals substituted with acid radicals substituted with carboxylic radicals, e.g. carboxymethylcellulose [CMC]
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L1/00Compositions of cellulose, modified cellulose or cellulose derivatives
    • C08L1/02Cellulose; Modified cellulose
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L1/00Compositions of cellulose, modified cellulose or cellulose derivatives
    • C08L1/02Cellulose; Modified cellulose
    • C08L1/04Oxycellulose; Hydrocellulose, e.g. microcrystalline cellulose
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23GCOCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
    • A23G2200/00COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF containing organic compounds, e.g. synthetic flavouring agents
    • A23G2200/06COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF containing organic compounds, e.g. synthetic flavouring agents containing beet sugar or cane sugar if specifically mentioned or containing other carbohydrates, e.g. starches, gums, alcohol sugar, polysaccharides, dextrin or containing high or low amount of carbohydrate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Nutrition Science (AREA)
  • Dispersion Chemistry (AREA)
  • Materials Engineering (AREA)
  • Biochemistry (AREA)
  • Mycology (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Jellies, Jams, And Syrups (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Coating By Spraying Or Casting (AREA)
NL686801945A 1967-02-13 1968-02-12 Werkwijze voor de bereiding van droge microkristallijne cellulose. NL153912B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US61562167A 1967-02-13 1967-02-13

Publications (2)

Publication Number Publication Date
NL6801945A NL6801945A (OSRAM) 1968-08-14
NL153912B true NL153912B (nl) 1977-07-15

Family

ID=24466172

Family Applications (1)

Application Number Title Priority Date Filing Date
NL686801945A NL153912B (nl) 1967-02-13 1968-02-12 Werkwijze voor de bereiding van droge microkristallijne cellulose.

Country Status (13)

Country Link
US (1) US3539365A (OSRAM)
AT (1) AT291200B (OSRAM)
BE (1) BE710569A (OSRAM)
CH (1) CH484946A (OSRAM)
DE (1) DE1719423C3 (OSRAM)
ES (1) ES350409A1 (OSRAM)
FI (1) FI49049C (OSRAM)
FR (1) FR1565494A (OSRAM)
GB (1) GB1190112A (OSRAM)
IT (1) IT1044757B (OSRAM)
NL (1) NL153912B (OSRAM)
NO (1) NO126378B (OSRAM)
SE (1) SE337110B (OSRAM)

Families Citing this family (84)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3684523A (en) * 1970-02-04 1972-08-15 Emanuel J Mcginley Heat sterilized,stable aqueous dairy drink
US3947604A (en) * 1975-03-28 1976-03-30 Fmc Corporation Edible jelly and method of preparing same
US3993793A (en) * 1975-06-09 1976-11-23 Thomas J. Lipton, Inc. Soft ice cream
US4199368A (en) * 1976-06-01 1980-04-22 Fmc Corporation Means rendering difficult to disperse materials easily dispersible
US4159362A (en) * 1977-12-30 1979-06-26 Owens-Corning Fiberglas Corporation Aqueous size composition for glass fibers containing epoxy resin, polyethylene glycol monostearate polyvinylpyrrolidone, methacryloxypropyltrialkoxysilane and a glucan-carboxymethyl cellulose mixture
US4231802A (en) * 1978-07-10 1980-11-04 Fmc Corporation Method of mixing difficulty dispersible material, e.g., fat or wax, in a gum-microcrystalline cellulose matrix, and powder product
US4311717A (en) * 1980-05-19 1982-01-19 Fmc Corporation Stabilizing agent for dry mix food products
US4427778A (en) 1982-06-29 1984-01-24 Biochem Technology, Inc. Enzymatic preparation of particulate cellulose for tablet making
US4518433A (en) * 1982-11-08 1985-05-21 Fmc Corporation Enteric coating for pharmaceutical dosage forms
US4462839A (en) * 1983-06-16 1984-07-31 Fmc Corporation Enteric coating for pharmaceutical dosage forms
US4744987A (en) * 1985-03-08 1988-05-17 Fmc Corporation Coprocessed microcrystalline cellulose and calcium carbonate composition and its preparation
BE1001408A5 (fr) * 1988-08-01 1989-10-24 Raffinerie Tirlemontoise Sa Ingredient nutritionnel pour l'alimentation humaine ou animale et son utilisation pour la fabrication de produits alimentaires.
AU639459B2 (en) * 1989-05-26 1993-07-29 Fmc Corporation Fat-like bulking agent for aqueous foods comprising microcrystalline cellulose and a galactomannan gum
EP0458484A3 (en) * 1989-05-26 1992-12-09 The Kendall Company Rubber-based adhesive tapes
USH1229H (en) * 1990-07-18 1993-09-07 Fmc Corporation Stabilizing agent for dry mix food products
ES2133294T3 (es) * 1991-09-30 1999-09-16 Asahi Chemical Ind Complejo dispersable en agua y procedimiento para su fabricacion.
US5272137A (en) * 1992-02-14 1993-12-21 Mcneil-Pfc, Inc. Aqueous pharmaceutical suspension for pharmaceutical actives
EP0620001A1 (en) * 1993-04-16 1994-10-19 McNEIL-PPC, INC. Aqueous pharmaceutical suspension and process for preparation thereof
US5366742A (en) * 1993-05-03 1994-11-22 Fmc Corporation Colloidal microcrystalline cellulose and barrier dispersant composition and method for manufacture
US5441753A (en) * 1994-01-28 1995-08-15 Fmc Corporation Coprocessed particulate bulking and formulating AIDS: their composition, production, and use
US5505982A (en) * 1994-01-28 1996-04-09 Fmc Corporation Chocolate confection
US5736177A (en) * 1994-03-08 1998-04-07 Fmc Corporation Cellulose composition, its preparation, and its use in a lipid
US5462761A (en) * 1994-04-04 1995-10-31 Fmc Corporation Microcrystalline cellulose and glucomannan aggregates
US5456936A (en) * 1994-07-28 1995-10-10 Good Humor Corporation Frozen low calorie dairy confection
IL116674A (en) * 1995-01-09 2003-05-29 Mendell Co Inc Edward Microcrystalline cellulose-based excipient having improved compressibility, pharmaceutical compositions containing the same and methods for the preparation of said excipient and of solid dosage form thereof
US6471994B1 (en) * 1995-01-09 2002-10-29 Edward Mendell Co., Inc. Pharmaceutical excipient having improved compressibility
US6936277B2 (en) * 1995-01-09 2005-08-30 J. Rettenmaier & Soehne Gmbh & Co. Kg Pharmaceutical excipient having improved compressibility
US5585115A (en) 1995-01-09 1996-12-17 Edward H. Mendell Co., Inc. Pharmaceutical excipient having improved compressability
US5948438A (en) * 1995-01-09 1999-09-07 Edward Mendell Co., Inc. Pharmaceutical formulations having improved disintegration and/or absorptivity
US6395303B1 (en) 1996-06-10 2002-05-28 Edward Mendell Co., Inc. Process for preparing a directly compressible solid dosage form containing microcrystalline cellulose
US5665414A (en) * 1995-04-06 1997-09-09 Edward Mendell Co., Inc. Cellulosic materials for incorporation into food products and methods of making same
US5733578A (en) * 1995-11-15 1998-03-31 Edward Mendell Co., Inc. Directly compressible high load acetaminophen formulations
US6852336B2 (en) 1995-11-15 2005-02-08 J. Rettenmaier & Soehne Gmbh + Co. Kg Directly compressible high load acetaminophen formulations
US6391337B2 (en) 1995-11-15 2002-05-21 Edward Mendell Co., Inc. Directly compressible high load acetaminophen formulations
US5773054A (en) * 1995-12-05 1998-06-30 Kraft Foods, Inc. Manufacture of particulate natural cheese without block formation
US5789004A (en) * 1995-12-15 1998-08-04 Fmc Corporation Coprocessed microcrystalline cellulose stabilizer compositions, foods containing the same and stabilization method
US6149962A (en) * 1996-03-01 2000-11-21 Kraft Foods, Inc. Gel composition method of making and products containing same
US6471727B2 (en) 1996-08-23 2002-10-29 Weyerhaeuser Company Lyocell fibers, and compositions for making the same
US6210801B1 (en) 1996-08-23 2001-04-03 Weyerhaeuser Company Lyocell fibers, and compositions for making same
US6306334B1 (en) 1996-08-23 2001-10-23 The Weyerhaeuser Company Process for melt blowing continuous lyocell fibers
US6331354B1 (en) 1996-08-23 2001-12-18 Weyerhaeuser Company Alkaline pulp having low average degree of polymerization values and method of producing the same
US6013303A (en) * 1997-01-09 2000-01-11 Lipton Low fat squeezable spread
US5769934A (en) * 1997-01-15 1998-06-23 Fmc Corporation Method for producing microcrystalline cellulose
AU5828098A (en) 1997-01-31 1998-08-25 Fmc Corporation Texture and stabilizer composition
US6037380A (en) * 1997-04-11 2000-03-14 Fmc Corporation Ultra-fine microcrystalline cellulose compositions and process
GB9807331D0 (en) * 1998-04-07 1998-06-03 Cerestar Holding Bv Gelatin replacement by wheat fiber gel and starch
US6391368B1 (en) * 1998-09-25 2002-05-21 Fmc Corporation Rapidly peptizable microcrystalline cellulose-based stabilizing agents
US6773648B2 (en) 1998-11-03 2004-08-10 Weyerhaeuser Company Meltblown process with mechanical attenuation
US6432448B1 (en) 1999-02-08 2002-08-13 Fmc Corporation Edible coating composition
US6723342B1 (en) 1999-02-08 2004-04-20 Fmc Corporation Edible coating composition
DK1070740T3 (da) * 1999-07-19 2008-05-13 Fit Gmbh Co-forarbejdet polysaccharidprodukt med uoplöseligt carboxymethylcellulose
US6506435B1 (en) * 1999-11-03 2003-01-14 Regents Of The University Of Minnesota Cellulose fiber-based compositions and their method of manufacture
US6699315B2 (en) 2000-11-28 2004-03-02 Fmc Corporation Edible PGA coating composition
US6531178B2 (en) * 2000-12-08 2003-03-11 Quaker Oats/Rhone-Poulenc Partnership β-glucan process, additive and food product
WO2003030916A1 (en) 2001-10-12 2003-04-17 Regents Of The University Of Minnesota Medical and nutritional applications of highly refined cellulose
JP4808960B2 (ja) * 2002-05-14 2011-11-02 エフ エム シー コーポレーション 微結晶質セルロース組成物
MXPA05002891A (es) 2002-09-20 2005-06-22 Fmc Corp Composicion cosmetica que contiene celulosa microcristalina.
BRPI0407065A (pt) * 2003-02-05 2006-01-17 Fmc Corp Composição de pasta de dentes
AU2004314692B2 (en) * 2003-09-18 2010-05-20 Fmc Corporation A method for dispersing metal oxides
US20050233046A1 (en) * 2004-04-05 2005-10-20 Fmc Corporation MCC/hydrocolloid stabilizers and edible compositions comprising the same
WO2006082525A1 (en) * 2005-02-04 2006-08-10 Philip Morris Products S.A. Cigarette and filter with cellulosic flavor addition
US7879382B2 (en) * 2005-09-30 2011-02-01 Fmc Corporation Stabilizers and compositions and products comprising same
EP1937080A2 (en) * 2005-10-21 2008-07-02 Fmc Corporation Frozen desserts and methods for manufacture thereof
ATE493972T1 (de) * 2006-10-27 2011-01-15 Fmc Corp Gemeinsam aufbereitete mikrokristalline cellulose und zuckeralkohol als hilfsstoff für tablettenformulierungen
GB2458403B (en) 2007-11-13 2010-01-13 Meritage Pharma Inc Stabilised corticosteroid compositions
DE102009022738A1 (de) 2009-05-26 2010-12-09 J. Rettenmaier & Söhne Gmbh + Co. Kg Stabilisator für Lebensmittelanwendungen
EP2743277B1 (en) 2011-08-11 2017-07-19 Asahi Kasei Kabushiki Kaisha Cellulose composite
EP2764045B1 (en) 2011-10-05 2017-03-01 FMC Corporation Stabilizer composition of co-attrited microcrystalline cellulose and carboxymethylcellulose, method for making, and uses
JP6188030B2 (ja) 2011-10-05 2017-08-30 エフ エム シー コーポレーションFmc Corporation 微結晶セルロースおよびカルボキシメチルセルロースの安定化剤組成物、該組成物の製造方法並びに食品製品
WO2013085809A1 (en) * 2011-12-09 2013-06-13 Fmc Corporation Co-attrited stabilizer composition having superior gel strength
BR112017009224B8 (pt) 2014-11-03 2022-04-12 Dupont Nutrition Usa Inc Estabilizadores eficazes de bebida de proteína vegetal compreendendo celulose microcristalina coloidal fabricada a partir de polpa de celulose não dissolvível
EP3364770B1 (en) 2015-10-19 2019-08-21 Unilever N.V. Composition comprising an oil phase
CA3010867C (en) 2016-02-05 2023-09-26 Unilever Plc Frozen confection comprising freezing point depressants including erythritol
CN105747201A (zh) * 2016-02-29 2016-07-13 南通香佳纺织科技有限公司 一种微晶纤维素微胶囊低能量食品添加剂的制备方法
FI3496542T3 (fi) 2016-08-12 2024-12-16 Int N&H Usa Inc Pieninä pitoisuuksina vaikuttava kolloidinen stabilointiaine
JP7139422B2 (ja) 2017-06-23 2022-09-20 デュポン・ニュートリション・ユーエスエイ,インコーポレイテッド コロイド状微結晶セルロース組成物、それらの調製、及び製品
JP2020533447A (ja) 2017-09-08 2020-11-19 デュポン・ニュートリション・ユーエスエイ,インコーポレイテッド 微結晶セルロース及びアルギン酸塩のコロイド状組成物、それらの調製、並びにそれらから得られる製品
EP4125399B1 (en) 2020-02-20 2024-07-10 International N&H Denmark ApS Composition for fermented or acidified milk products, its use, products containing the same and process for the production of these products
WO2022125895A1 (en) 2020-12-11 2022-06-16 Dupont Nutrition Biosciences Aps Microcrystalline cellulose, compositions, methods of making the same and food products comprising them
EP4277948A1 (en) 2021-01-13 2023-11-22 Nutrition & Biosciences USA 1, LLC Improved method for the preparation of colloidal microcrystalline cellulose
JP2024502378A (ja) 2021-01-13 2024-01-18 デュポン・ニュートリション・ユーエスエイ,インコーポレイテッド 胃内滞留型薬物送達系
AU2022211416A1 (en) 2021-01-25 2023-07-06 Dupont Nutrition Biosciences Aps A stabilizer composition comprising microcrystalline cellulose
WO2023094048A1 (en) 2021-11-24 2023-06-01 Nutrition & Biosciences Usa 1, Llc Process for producing microcrystalline cellulose with reduced nitrite salt content
CN118541430A (zh) 2021-12-14 2024-08-23 营养与生物科学美国1有限责任公司 用于减少微晶纤维素中的亚硝酸盐的方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL113985C (OSRAM) * 1957-01-28
US3442676A (en) * 1965-12-29 1969-05-06 Fmc Corp Method of preparing a stable wax dispersion using beta-1,4 glucan

Also Published As

Publication number Publication date
US3539365A (en) 1970-11-10
FR1565494A (OSRAM) 1969-05-02
AT291200B (de) 1971-07-12
DE1719423B2 (OSRAM) 1974-02-07
FI49049B (OSRAM) 1974-12-02
DE1719423A1 (de) 1972-04-20
ES350409A1 (es) 1969-11-16
DE1719423C3 (de) 1979-12-13
BE710569A (OSRAM) 1968-08-09
NL6801945A (OSRAM) 1968-08-14
FI49049C (fi) 1975-03-10
SE337110B (OSRAM) 1971-07-26
CH484946A (fr) 1970-01-31
IT1044757B (it) 1980-04-21
GB1190112A (en) 1970-04-29
NO126378B (OSRAM) 1973-01-29

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Legal Events

Date Code Title Description
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: FMC

V4 Discontinued because of reaching the maximum lifetime of a patent