FR2361415A1 - Nouvelle preparation de tannin fixe par adsorption physique a un support, son procede de preparation et ses applications - Google Patents

Nouvelle preparation de tannin fixe par adsorption physique a un support, son procede de preparation et ses applications

Info

Publication number
FR2361415A1
FR2361415A1 FR7717956A FR7717956A FR2361415A1 FR 2361415 A1 FR2361415 A1 FR 2361415A1 FR 7717956 A FR7717956 A FR 7717956A FR 7717956 A FR7717956 A FR 7717956A FR 2361415 A1 FR2361415 A1 FR 2361415A1
Authority
FR
France
Prior art keywords
preparation
tannin
water
physical adsorption
applications
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.)
Granted
Application number
FR7717956A
Other languages
English (en)
Other versions
FR2361415B1 (fr
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.)
Tanabe Seiyaku Co Ltd
Original Assignee
Tanabe Seiyaku Co Ltd
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
Priority claimed from JP899776A external-priority patent/JPS5291898A/ja
Priority claimed from JP10289476A external-priority patent/JPS5329993A/ja
Priority claimed from JP13113276A external-priority patent/JPS5356700A/ja
Application filed by Tanabe Seiyaku Co Ltd filed Critical Tanabe Seiyaku Co Ltd
Publication of FR2361415A1 publication Critical patent/FR2361415A1/fr
Application granted granted Critical
Publication of FR2361415B1 publication Critical patent/FR2361415B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H13/00—Compounds containing saccharide radicals esterified by carbonic acid or derivatives thereof, or by organic acids, e.g. phosphonic acids
    • C07H13/12—Compounds containing saccharide radicals esterified by carbonic acid or derivatives thereof, or by organic acids, e.g. phosphonic acids by acids having the group -X-C(=X)-X-, or halides thereof, in which each X means nitrogen, oxygen, sulfur, selenium or tellurium, e.g. carbonic acid, carbamic acid
    • 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
    • B01J20/3202—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
    • B01J20/3206—Organic carriers, supports or substrates
    • B01J20/3208—Polymeric carriers, supports or substrates
    • B01J20/321—Polymeric carriers, supports or substrates consisting of a polymer obtained by reactions involving only carbon to carbon unsaturated bonds
    • 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
    • B01J20/3206—Organic carriers, supports or substrates
    • B01J20/3208—Polymeric carriers, supports or substrates
    • B01J20/3212—Polymeric carriers, supports or substrates consisting of a polymer obtained by reactions otherwise than involving only carbon to carbon unsaturated bonds
    • 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
    • B01J20/3214—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the method for obtaining this coating or impregnating
    • B01J20/3217—Resulting in a chemical bond between the coating or impregnating layer and the carrier, support or substrate, e.g. a covalent bond
    • B01J20/3219—Resulting 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
    • 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
    • B01J20/3242—Layers with a functional group, e.g. an affinity material, a ligand, a reactant or a complexing group
    • B01J20/3268—Macromolecular compounds
    • B01J20/3272—Polymers obtained by reactions otherwise than involving only carbon to carbon unsaturated bonds
    • B01J20/3274—Proteins, nucleic acids, polysaccharides, antibodies or antigens
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H15/00—Compounds containing hydrocarbon or substituted hydrocarbon radicals directly attached to hetero atoms of saccharide radicals
    • C07H15/02—Acyclic radicals, not substituted by cyclic structures
    • C07H15/04—Acyclic radicals, not substituted by cyclic structures attached to an oxygen atom of the saccharide radical
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H15/00—Compounds containing hydrocarbon or substituted hydrocarbon radicals directly attached to hetero atoms of saccharide radicals
    • C07H15/02—Acyclic radicals, not substituted by cyclic structures
    • C07H15/04—Acyclic radicals, not substituted by cyclic structures attached to an oxygen atom of the saccharide radical
    • C07H15/08—Polyoxyalkylene derivatives
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N11/00—Carrier-bound or immobilised enzymes; Carrier-bound or immobilised microbial cells; Preparation thereof
    • C12N11/02—Enzymes or microbial cells immobilised on or in an organic carrier
    • 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
    • Y10S435/00—Chemistry: molecular biology and microbiology
    • Y10S435/803—Physical recovery methods, e.g. chromatography, grinding
    • 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
    • Y10S435/00—Chemistry: molecular biology and microbiology
    • Y10S435/814—Enzyme separation or purification
    • Y10S435/815—Enzyme separation or purification by sorption
    • 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
    • Y10S530/00—Chemistry: natural resins or derivatives; peptides or proteins; lignins or reaction products thereof
    • Y10S530/81—Carrier - bound or immobilized peptides or proteins and the preparation thereof, e.g. biological cell or cell fragment as carrier
    • Y10S530/812—Peptides or proteins is immobilized on, or in, an organic carrier
    • Y10S530/813—Carrier is a saccharide
    • 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
    • Y10S530/00—Chemistry: natural resins or derivatives; peptides or proteins; lignins or reaction products thereof
    • Y10S530/81—Carrier - bound or immobilized peptides or proteins and the preparation thereof, e.g. biological cell or cell fragment as carrier
    • Y10S530/812—Peptides or proteins is immobilized on, or in, an organic carrier
    • Y10S530/815—Carrier is a synthetic polymer
    • Y10S530/816—Attached to the carrier via a bridging agent

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Biochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Biotechnology (AREA)
  • Molecular Biology (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Microbiology (AREA)
  • Biomedical Technology (AREA)
  • General Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
  • Peptides Or Proteins (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)

Abstract

L'invention concerne une nouvelle préparation de tannin insoluble dans l'eau. On obtient cette préparation par adsorption physique d'un tannin à un support hydrophyle insoluble dans l'eau. La préparation de tannin insoluble dans l'eau conforme à l'invention a une affinité spécifique pour les protéines et peut être utilisée comme matière adsorbante pour purifier, isoler et/ou séparer des protéines (par exemple des enzymes, l'albumine, la globuline, des protéines hormonales) d'un mélange de composés. En outre, la préparation de tannin insoluble dans l'eau à laquelle un enzyme doué d'activité catalytique est fixé par adsorption peut être utilisée comme catalyseur hétérogène pour provoquer des réactions enzymatiques.
FR7717956A 1976-01-29 1977-06-10 Nouvelle preparation de tannin fixe par adsorption physique a un support, son procede de preparation et ses applications Granted FR2361415A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP899776A JPS5291898A (en) 1976-01-29 1976-01-29 Water-insoluble tannin preparation
JP10289476A JPS5329993A (en) 1976-08-27 1976-08-27 Immobilized enzyme and its preparation
JP13113276A JPS5356700A (en) 1976-10-30 1976-10-30 Water-insoluble tannin preparations and their manufacturing

Publications (2)

Publication Number Publication Date
FR2361415A1 true FR2361415A1 (fr) 1978-03-10
FR2361415B1 FR2361415B1 (fr) 1980-02-01

Family

ID=27278281

Family Applications (2)

Application Number Title Priority Date Filing Date
FR7702542A Granted FR2351991A1 (fr) 1976-01-29 1977-01-28 Nouvelle preparation de tannin insoluble dans l'eau, son procede de preparation et ses applications
FR7717956A Granted FR2361415A1 (fr) 1976-01-29 1977-06-10 Nouvelle preparation de tannin fixe par adsorption physique a un support, son procede de preparation et ses applications

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR7702542A Granted FR2351991A1 (fr) 1976-01-29 1977-01-28 Nouvelle preparation de tannin insoluble dans l'eau, son procede de preparation et ses applications

Country Status (7)

Country Link
US (1) US4090919A (fr)
CH (1) CH634101A5 (fr)
DE (1) DE2703615A1 (fr)
FR (2) FR2351991A1 (fr)
GB (1) GB1578451A (fr)
IT (1) IT1082990B (fr)
SE (2) SE445457B (fr)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5420193A (en) * 1977-07-12 1979-02-15 Tanabe Seiyaku Co Ltd Immobilized aminoacylase and its preparation
CS204190B1 (en) * 1978-02-22 1981-03-31 Jaroslav Drobnik Activation method for hydrxyl groups containing insoluble carriers
US4221906A (en) * 1979-03-19 1980-09-09 American Cyanamid Company Stabilization of pneumococcal polysaccharides
US4337313A (en) * 1980-12-08 1982-06-29 Miles Laboratories, Inc. Immobilization of biocatalysts
US4379843A (en) * 1981-01-26 1983-04-12 Peter Cashion Immobilization of polynucleotides and polypeptides with tritylated polysaccharides
US4381239A (en) * 1981-02-10 1983-04-26 Tanabe Seiyaku Co., Ltd. Method for reducing the pyrogen content of or removing pyrogens from substances contaminated therewith
DE3128696A1 (de) * 1981-07-21 1983-02-10 Hoechst Ag, 6000 Frankfurt "verfahren zum reinigen von estern"
US4390627A (en) * 1981-10-26 1983-06-28 Miles Laboratories, Inc. Immobilization of the sucrose mutase in whole cells of protaminobacter rubrum
US5171738A (en) * 1982-10-04 1992-12-15 Toray Industries, Inc. Method of treating malignant tumors
US4500554A (en) * 1983-02-14 1985-02-19 Corning Glass Works Wine stabilization using immobilized tannic acid
US4585738A (en) * 1983-09-02 1986-04-29 Kraft, Inc. Immobilized enzyme systems
JPS63146791A (ja) * 1986-12-08 1988-06-18 Hitachi Ltd 酵素の固定化方法
NL8701915A (nl) * 1987-08-14 1989-03-01 Waander Riethorst Adsorbensmateriaal en toepassing daarvan voor het isoleren van stollingsfaktoren.
US4845143A (en) * 1987-08-21 1989-07-04 Oki Electric Industry Co., Ltd. Pattern-forming material
US4959461A (en) * 1988-06-02 1990-09-25 Domtar Inc. Processes for the preparation of amides and amines from a material having carboxyl-containing polysaccharides and products therefrom
US4963478A (en) * 1988-07-05 1990-10-16 Immucor, Inc. Article for preforming immunological assays utilizing organic dyes and method for producing and utilizing same
US5645717A (en) * 1989-01-13 1997-07-08 Bio-Rad Laboratories, Inc. Hydrophobic polymers from water-soluble monomers and their use as chromatography media
US5112752A (en) * 1990-10-18 1992-05-12 The Mead Corporation Biocatalytic oxidation using soybean and other legume peroxidases
JP3104919B2 (ja) * 1991-08-07 2000-10-30 三菱原子燃料株式会社 加水分解型不溶性タンニンの製造方法及び該不溶性タンニンによる廃液処理方法
JP3183354B2 (ja) * 1991-08-23 2001-07-09 三菱原子燃料株式会社 タンニン系吸着剤による重金属類の吸着分離方法及び該吸着剤の再生方法
US5145890A (en) * 1991-08-30 1992-09-08 Rohm And Haas Company Method for reducing the carboxylester content of an emulsion polymer
US5916991A (en) * 1993-06-22 1999-06-29 Betzdearborn Inc. Composition and method for water clarification
US5846436A (en) * 1993-06-22 1998-12-08 Betzdearborn Inc. Composition and method for water clarification
US5643462A (en) * 1993-06-22 1997-07-01 Betzdearborn Inc. Composition and method for water clarification
US5684109A (en) * 1993-06-22 1997-11-04 Betzdearborn Inc. Composition comprising a tannin-containing copolymer
US5830315A (en) * 1995-07-06 1998-11-03 Betzdearborn Inc. Treatment of Aqueous systems using a chemically modified tannin
US5789467A (en) * 1996-06-28 1998-08-04 W. R. Grace & Co.-Conn. Crosslinked tannin/inorganic oxide composites
US5935429A (en) * 1997-01-03 1999-08-10 Bio-Rad Laboratories, Inc. Chromatography columns with continuous beds formed in situ from aqueous solutions
GB2329588B (en) * 1997-09-25 2002-07-31 Reckitt & Colmann Prod Ltd Deactivants for dust mite allergens
EP1096248B1 (fr) 1999-10-28 2007-01-10 Matsushita Electric Industrial Co., Ltd. Méthode pour déterminer la concentration d'une solution
JP2001174457A (ja) 1999-12-21 2001-06-29 Matsushita Electric Ind Co Ltd 溶液濃度計測方法、溶液濃度計測装置及び尿検査方法。
JP2001249134A (ja) * 1999-12-28 2001-09-14 Matsushita Electric Ind Co Ltd タンパク質濃度計測用試薬、これを用いたタンパク質濃度計測方法および尿検査方法
JP5017848B2 (ja) * 2005-11-25 2012-09-05 Ｊｎｃ株式会社 エンドトキシン吸着体、およびそれを用いたエンドトキシンの除去方法
US8642088B2 (en) 2009-09-04 2014-02-04 Wisconsin Alumni Research Foundation Tannin-chitosan composites
US8367389B2 (en) 2009-09-11 2013-02-05 Regents Of The University Of Minnesota Methods, compositions and devices utilizing structurally stable cyanuric acid hydrolase
JP5696155B2 (ja) 2009-10-29 2015-04-08 マイラン・グループ リソグラフィック印刷プレート用コーティング組成物のためのガロタンニン化合物
WO2011138459A1 (fr) * 2010-05-07 2011-11-10 Knauf Insulation Liants à base de glucides et matières réalisées avec ces liants
CN103233362B (zh) * 2013-05-20 2015-08-12 昆明理工大学 无纺布表面偶联单宁的吸附材料及其制备方法
RU2016150941A (ru) * 2014-05-23 2018-06-26 Грегори КОЧОН Способ нанесения покрытия и материалы
CN104327175B (zh) * 2014-07-03 2017-12-29 浙江工业大学 一种分离抗菌肽的方法
US10233437B2 (en) 2015-03-02 2019-03-19 Regents Of The University Of Minnesota Hypochlorite resistant cyanuric acid hydrolases and methods of use thereof
US20200172839A1 (en) * 2017-06-19 2020-06-04 Coors Brewing Company Method of improving flavor stability in fermented beverages

Family Cites Families (6)

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Publication number Priority date Publication date Assignee Title
US2650194A (en) * 1949-09-07 1953-08-25 Columbia Southern Chem Corp Well drilling composition and method of manufacture thereof
US3639558A (en) * 1968-02-19 1972-02-01 Louis Csizmas Immunological reagent particles having proteinaceous materials covalently bonded thereto
US3796634A (en) * 1970-03-19 1974-03-12 Us Health Education & Welfare Insolubilized biologically active enzymes
US3736231A (en) * 1971-11-01 1973-05-29 Us Agriculture Preparation of insolubilized enzymes
US3886066A (en) * 1972-11-06 1975-05-27 Du Pont Tannin treatment for non-porous semipermeable membranes
JPS5429599B2 (fr) * 1974-12-28 1979-09-25

Also Published As

Publication number Publication date
FR2361415B1 (fr) 1980-02-01
SE8304125L (sv) 1983-07-25
FR2351991A1 (fr) 1977-12-16
FR2351991B1 (fr) 1982-01-08
GB1578451A (en) 1980-11-05
DE2703615C2 (fr) 1988-08-11
CH634101A5 (de) 1983-01-14
SE8304125D0 (sv) 1983-07-25
SE7700858L (sv) 1977-07-30
IT1082990B (it) 1985-05-21
SE445457B (sv) 1986-06-23
DE2703615A1 (de) 1977-08-04
US4090919A (en) 1978-05-23

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