JPS4930626A - - Google Patents

Info

Publication number
JPS4930626A
JPS4930626A JP48035548A JP3554873A JPS4930626A JP S4930626 A JPS4930626 A JP S4930626A JP 48035548 A JP48035548 A JP 48035548A JP 3554873 A JP3554873 A JP 3554873A JP S4930626 A JPS4930626 A JP S4930626A
Authority
JP
Japan
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
JP48035548A
Other versions
JPS5717849B2 (ja
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 filed Critical
Publication of JPS4930626A publication Critical patent/JPS4930626A/ja
Publication of JPS5717849B2 publication Critical patent/JPS5717849B2/ja
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C30CRYSTAL GROWTH
    • C30BSINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/60Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape characterised by shape
    • C30B29/62Whiskers or needles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/06Fibrous reinforcements only
    • B29C70/10Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00Compounds of calcium, strontium, or barium
    • C01F11/46Sulfates
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00Compounds of calcium, strontium, or barium
    • C01F11/46Sulfates
    • C01F11/466Conversion of one form of calcium sulfate to another
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B14/00Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/38Fibrous materials; Whiskers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/04Reinforcing macromolecular compounds with loose or coherent fibrous material
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00Use of ingredients characterised by shape
    • C08K7/02Fibres or whiskers
    • C08K7/04Fibres or whiskers inorganic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/61Additives non-macromolecular inorganic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/70Additives characterised by shape, e.g. fibres, flakes or microspheres
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K17/00Soil-conditioning materials or soil-stabilising materials
    • C09K17/02Soil-conditioning materials or soil-stabilising materials containing inorganic compounds only
    • C09K17/04Soil-conditioning materials or soil-stabilising materials containing inorganic compounds only applied in a physical form other than a solution or a grout, e.g. as granules or gases
    • CCHEMISTRY; METALLURGY
    • C30CRYSTAL GROWTH
    • C30BSINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/10Inorganic compounds or compositions
    • CCHEMISTRY; METALLURGY
    • C30CRYSTAL GROWTH
    • C30BSINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B7/00Single-crystal growth from solutions using solvents which are liquid at normal temperature, e.g. aqueous solutions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/12Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of short lengths, e.g. chopped filaments, staple fibres or bristles
    • B29K2105/126Whiskers, i.e. reinforcement in the form of monocrystals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2709/00Use of inorganic materials not provided for in groups B29K2703/00 - B29K2707/00, for preformed parts, e.g. for inserts
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/01Particle morphology depicted by an image
    • C01P2004/03Particle morphology depicted by an image obtained by SEM
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/10Particle morphology extending in one dimension, e.g. needle-like
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/54Particles characterised by their aspect ratio, i.e. the ratio of sizes in the longest to the shortest dimension

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Metallurgy (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Geology (AREA)
  • Ceramic Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Structural Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Composite Materials (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Inorganic Fibers (AREA)
  • Paper (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Artificial Filaments (AREA)
JP3554873A 1972-03-27 1973-03-27 Expired JPS5717849B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00238048A US3822340A (en) 1972-03-27 1972-03-27 Calcium sulfate whisker fibers and the method for the manufacture thereof

Publications (2)

Publication Number Publication Date
JPS4930626A true JPS4930626A (ja) 1974-03-19
JPS5717849B2 JPS5717849B2 (ja) 1982-04-13

Family

ID=22896286

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3554873A Expired JPS5717849B2 (ja) 1972-03-27 1973-03-27

Country Status (13)

Country Link
US (1) US3822340A (ja)
JP (1) JPS5717849B2 (ja)
AR (1) AR202530A1 (ja)
BE (1) BE797335A (ja)
BR (1) BR7302191D0 (ja)
CA (1) CA1017123A (ja)
DE (1) DE2314645B2 (ja)
ES (1) ES413009A1 (ja)
FR (1) FR2179760B1 (ja)
GB (1) GB1420866A (ja)
IT (1) IT979989B (ja)
SE (1) SE407208B (ja)
ZA (1) ZA731915B (ja)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5184840A (ja) * 1975-01-23 1976-07-24 Kanegafuchi Chemical Ind Netsukasoseijushisoseibutsu
JPS51137739A (en) * 1975-05-26 1976-11-27 Idemitsu Kosan Co Ltd Rubber composition
JPS51139819A (en) * 1975-05-29 1976-12-02 Mitsui Toatsu Chemicals Composite of paving asphalt
JPS526726A (en) * 1975-07-07 1977-01-19 Idemitsu Kosan Co Incombustible sheets
JPS5538852A (en) * 1978-09-13 1980-03-18 Dainippon Toryo Co Ltd Aqueous soundproof paint
JPS5622667A (en) * 1980-07-25 1981-03-03 Idemitsu Kosan Co Manufacture of lightweight gypsum fiber formed body
JPS57127003A (en) * 1980-12-19 1982-08-07 Rockwool Ab Production of pressure resistant highily stable pavement material and pavement
US4590036A (en) * 1982-02-02 1986-05-20 Exxon Research And Engineering Co. Process for corrosion inhibition utilizing an antimony-molybdenum salt corrosion inhibitor composition

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3977890A (en) * 1972-08-16 1976-08-31 Johns-Manville Corporation Method for the preparation of fibrous calcium sulfate hemihydrate
DE2330728B2 (de) * 1973-06-16 1977-08-11 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung eines synthetischen anhydrits einheitlicher qualitaet und dessen verwendung
GB1482636A (en) * 1973-07-26 1977-08-10 Rockwool As Method of preparing fibre-reinforced products comprising inorganic fibres and a binder
US4029512A (en) * 1974-08-05 1977-06-14 Johns-Manville Corporation Method for the preparation of fibrous insoluble calcium sulfate anhydrite
GB1547424A (en) * 1975-03-31 1979-06-20 Japan Government Method of producing needlelike 11-anhydrite gypsum
DE2621611C3 (de) * 1976-05-14 1981-06-25 Skw Trostberg Ag, 8223 Trostberg Anorganische Fasern, Verfahren zu deren Herstellung sowie deren Verwendung
DE2738415B2 (de) * 1977-08-25 1979-07-05 Skw Trostberg Ag, 8223 Trostberg Calciumsulfatfasern mit anorganischen Überzügen
US4152408A (en) * 1977-11-25 1979-05-01 Certain-Teed Corporation Fibrous calcium sulfate
GB2053874B (en) * 1977-12-29 1982-07-28 Idemitsu Kosan Co Production of calcium sulphate
FR2429291A1 (fr) * 1978-06-20 1980-01-18 Arjomari Prioux Procede de preparation d'une feuille comprenant des fibres de sulfate de calcium
US4362651A (en) * 1979-03-22 1982-12-07 Schwarzenbek Eugene F High porosity catalysts
US4818287A (en) * 1982-05-19 1989-04-04 Georgia-Pacific Corporation Fiber reinforced plaster molds for metal casting
US4647486A (en) * 1983-12-28 1987-03-03 United States Gypsum Company Fire resistant gypsum board . . . anhydrite
US5148645A (en) * 1984-02-27 1992-09-22 Georgia-Pacific Corporation Use of fibrous mat-faced gypsum board in shaft wall assemblies and improved fire resistant board
US4664707A (en) * 1985-04-09 1987-05-12 Georgia-Pacific Corporation Fire resistant gypsum composition
US4722866A (en) * 1985-04-09 1988-02-02 Georgia-Pacific Corporation Fire resistant gypsum board
US4801355A (en) * 1987-01-16 1989-01-31 United States Gypsum Company Tabular acicular gypsum and method of filling paper
JP3376429B2 (ja) * 1988-11-18 2003-02-10 ユナイテツド ステイツ ジプサム カンパニー 複合ボードの製造法
WO1990011256A1 (en) * 1989-03-16 1990-10-04 The United States Gypsum Company Process and apparatus for producing calcium sulfate microfibers
CN1042012C (zh) * 1990-05-17 1999-02-10 伍思戈企业有限公司 新的复合材料及其制造方法
DE4109322C1 (en) * 1991-03-21 1993-01-07 Solmex Ag, Zug, Ch Extrudable coating material for pencil - contg. polystyrene, polyethylene@, calcium stearate, talc, plaster and coupling agent
US5401588A (en) * 1992-12-23 1995-03-28 Georgia-Pacific Resins Inc. Gypsum microfiber sheet material
US5817262A (en) * 1996-12-20 1998-10-06 United States Gypsum Company Process of producing gypsum wood fiber product having improved water resistance
US6010596A (en) * 1996-12-20 2000-01-04 United States Gypsum Company Gypsum wood fiber product having improved water resistance
US7273579B2 (en) * 2004-01-28 2007-09-25 United States Gypsum Company Process for production of gypsum/fiber board
JP2007048958A (ja) * 2005-08-10 2007-02-22 Renesas Technology Corp 半導体装置の製造方法および半導体装置
US7556791B2 (en) * 2006-12-20 2009-07-07 United States Gypsum Company Gypsum anhydrite fillers and process for making same
CN102839425B (zh) * 2011-06-23 2014-12-31 中国石油化工股份有限公司 一种硫酸钙晶须的合成方法
GB201223312D0 (en) 2012-12-21 2013-02-06 Bpb United Kingdom Ltd Calcium sulphate-based products
WO2015085139A1 (en) * 2013-12-06 2015-06-11 Georgia-Pacific Gypsum Llc Gypsum composite modifiers
CN105980329B (zh) * 2013-12-06 2018-03-30 佐治亚-太平洋石膏有限责任公司 石膏复合材料改性剂
US20160122197A1 (en) * 2014-11-03 2016-05-05 Georgia-Pacific Gypsum Llc Microwave heating for gypsum manufacturing processes
CN104562209A (zh) * 2014-12-11 2015-04-29 河南工程学院 一步自催化α-半水硫酸钙晶须的制备方法及应用
CN104630877B (zh) * 2015-01-28 2017-05-03 江苏理工学院 一种由炼锡废渣制备二水硫酸钙晶须的方法
CN104674333A (zh) * 2015-03-17 2015-06-03 四川明鑫佳杰新材料有限责任公司 一种硬石膏制备纳米级硫酸钙晶须的方法
KR102549700B1 (ko) * 2015-09-04 2023-06-30 라이온 가부시키가이샤 에톡실화 촉매 및 그 제조 방법
CN113106536A (zh) * 2021-03-11 2021-07-13 山东创领新材料科技有限公司 一种磷酸副产氯化钙溶液和硫酸钠制备硫酸钙晶须的方法
CN113248993B (zh) * 2021-06-15 2022-05-10 黔南高新区绿色化工技术研究院有限公司 一种基于改性硫酸钙晶须的水性环保涂料及其制备方法
CN115043619B (zh) * 2022-06-21 2023-09-12 宜都兴发化工有限公司 一种自凝胶纤维复合材料的制备方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR839515A (fr) * 1938-06-20 1939-04-05 Produit à base minérale destiné à la fabrication des papiers et cartons, des caoutchoucs, peintures et autres produits
GB1038025A (en) * 1963-08-16 1966-08-03 Bpb Industries Ltd Lightweight material and production thereof

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5184840A (ja) * 1975-01-23 1976-07-24 Kanegafuchi Chemical Ind Netsukasoseijushisoseibutsu
JPS5541627B2 (ja) * 1975-01-23 1980-10-25
JPS51137739A (en) * 1975-05-26 1976-11-27 Idemitsu Kosan Co Ltd Rubber composition
JPS5331657B2 (ja) * 1975-05-26 1978-09-04
JPS51139819A (en) * 1975-05-29 1976-12-02 Mitsui Toatsu Chemicals Composite of paving asphalt
JPS5520040B2 (ja) * 1975-07-07 1980-05-30
JPS526726A (en) * 1975-07-07 1977-01-19 Idemitsu Kosan Co Incombustible sheets
JPS5538852A (en) * 1978-09-13 1980-03-18 Dainippon Toryo Co Ltd Aqueous soundproof paint
JPS5532745B2 (ja) * 1978-09-13 1980-08-27
JPS5622667A (en) * 1980-07-25 1981-03-03 Idemitsu Kosan Co Manufacture of lightweight gypsum fiber formed body
JPS5640107B2 (ja) * 1980-07-25 1981-09-18
JPS57127003A (en) * 1980-12-19 1982-08-07 Rockwool Ab Production of pressure resistant highily stable pavement material and pavement
JPH0235802B2 (ja) * 1980-12-19 1990-08-14 Rakuso Buruku Ab
US4590036A (en) * 1982-02-02 1986-05-20 Exxon Research And Engineering Co. Process for corrosion inhibition utilizing an antimony-molybdenum salt corrosion inhibitor composition

Also Published As

Publication number Publication date
BR7302191D0 (pt) 1974-07-25
FR2179760B1 (ja) 1977-02-04
IT979989B (it) 1974-09-30
ES413009A1 (es) 1976-06-16
SE407208B (sv) 1979-03-19
FR2179760A1 (ja) 1973-11-23
ZA731915B (en) 1974-01-30
BE797335A (fr) 1973-09-26
CA1017123A (en) 1977-09-13
AR202530A1 (es) 1975-06-24
US3822340A (en) 1974-07-02
GB1420866A (en) 1976-01-14
DE2314645B2 (de) 1977-05-05
DE2314645A1 (de) 1973-10-04
JPS5717849B2 (ja) 1982-04-13

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