BR7708741A - Processo para melhorar as propriedades de tensao superficial de solucoes de tenso-ativos e composicao tenso-ativa - Google Patents

Processo para melhorar as propriedades de tensao superficial de solucoes de tenso-ativos e composicao tenso-ativa

Info

Publication number
BR7708741A
BR7708741A BR7708741A BR7708741A BR7708741A BR 7708741 A BR7708741 A BR 7708741A BR 7708741 A BR7708741 A BR 7708741A BR 7708741 A BR7708741 A BR 7708741A BR 7708741 A BR7708741 A BR 7708741A
Authority
BR
Brazil
Prior art keywords
tensive
active
surface tension
improve surface
tension properties
Prior art date
Application number
BR7708741A
Other languages
English (en)
Portuguese (pt)
Inventor
P Nicolson
R Falk
Original Assignee
Ciba Geigy Ag
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 US05/756,031 external-priority patent/US4089804A/en
Application filed by Ciba Geigy Ag filed Critical Ciba Geigy Ag
Publication of BR7708741A publication Critical patent/BR7708741A/pt

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C5/00Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/26Processes using silver-salt-containing photosensitive materials or agents therefor
    • G03C5/29Development processes or agents therefor
    • G03C5/305Additives other than developers
    • G03C5/3053Tensio-active agents or sequestering agents, e.g. water-softening or wetting agents
    • 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
    • C09K23/00Use of substances as emulsifying, wetting, dispersing, or foam-producing agents
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/30Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests characterised by the surfactants
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/69Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing fluorine
    • A61K8/70Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing fluorine containing perfluoro groups, e.g. perfluoroethers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61QSPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00Preparations for care of the skin
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62DCHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D1/00Fire-extinguishing compositions; Use of chemical substances in extinguishing fires
    • A62D1/0028Liquid extinguishing substances
    • A62D1/0035Aqueous solutions
    • A62D1/0042"Wet" water, i.e. containing surfactant
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62DCHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D1/00Fire-extinguishing compositions; Use of chemical substances in extinguishing fires
    • A62D1/0071Foams
    • A62D1/0078Foams containing proteins or protein derivatives
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62DCHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D1/00Fire-extinguishing compositions; Use of chemical substances in extinguishing fires
    • A62D1/0071Foams
    • A62D1/0085Foams containing perfluoroalkyl-terminated surfactant
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/36Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
    • B23K35/3612Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest with organic compounds as principal constituents
    • 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
    • C09K23/00Use of substances as emulsifying, wetting, dispersing, or foam-producing agents
    • C09K23/007Organic compounds containing halogen
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/004Surface-active compounds containing F
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16Organic compounds
    • C11D3/24Organic compounds containing halogen
    • C11D3/245Organic compounds containing halogen containing fluorine
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/07Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof
    • D06M11/11Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof with halogen acids or salts thereof
    • D06M11/155Halides of elements of Groups 2 or 12 of the Periodic Table
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/51Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof
    • D06M11/55Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof with sulfur trioxide; with sulfuric acid or thiosulfuric acid or their salts
    • D06M11/56Sulfates or thiosulfates other than of elements of Groups 3 or 13 of the Periodic Table
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/58Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with nitrogen or compounds thereof, e.g. with nitrides
    • D06M11/64Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with nitrogen or compounds thereof, e.g. with nitrides with nitrogen oxides; with oxyacids of nitrogen or their salts
    • D06M11/65Salts of oxyacids of nitrogen
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/184Carboxylic acids; Anhydrides, halides or salts thereof
    • D06M13/188Monocarboxylic acids; Anhydrides, halides or salts thereof
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00Photosensitive materials
    • G03C1/005Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/06Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
    • G03C1/38Dispersants; Agents facilitating spreading
    • G03C1/385Dispersants; Agents facilitating spreading containing fluorine
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00Photosensitive materials
    • G03C1/76Photosensitive materials characterised by the base or auxiliary layers
    • G03C1/85Photosensitive materials characterised by the base or auxiliary layers characterised by antistatic additives or coatings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • General Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Textile Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Wood Science & Technology (AREA)
  • Emergency Management (AREA)
  • General Physics & Mathematics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Toxicology (AREA)
  • Dermatology (AREA)
  • Molecular Biology (AREA)
  • Birds (AREA)
  • Mechanical Engineering (AREA)
  • Agronomy & Crop Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Epidemiology (AREA)
  • Dentistry (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
  • Detergent Compositions (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
BR7708741A 1976-12-30 1977-12-29 Processo para melhorar as propriedades de tensao superficial de solucoes de tenso-ativos e composicao tenso-ativa BR7708741A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US75603276A 1976-12-30 1976-12-30
US05/756,031 US4089804A (en) 1976-12-30 1976-12-30 Method of improving fluorinated surfactants

Publications (1)

Publication Number Publication Date
BR7708741A true BR7708741A (pt) 1978-08-01

Family

ID=27116167

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7708741A BR7708741A (pt) 1976-12-30 1977-12-29 Processo para melhorar as propriedades de tensao superficial de solucoes de tenso-ativos e composicao tenso-ativa

Country Status (11)

Country Link
JP (1) JPS5385787A (enrdf_load_stackoverflow)
AU (1) AU517771B2 (enrdf_load_stackoverflow)
BE (1) BE862459A (enrdf_load_stackoverflow)
BR (1) BR7708741A (enrdf_load_stackoverflow)
CA (1) CA1102652A (enrdf_load_stackoverflow)
CH (1) CH634873A5 (enrdf_load_stackoverflow)
DE (2) DE2758013C3 (enrdf_load_stackoverflow)
FR (1) FR2376208A1 (enrdf_load_stackoverflow)
GB (2) GB1591292A (enrdf_load_stackoverflow)
MX (1) MX148221A (enrdf_load_stackoverflow)
NL (1) NL7714204A (enrdf_load_stackoverflow)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2963744D1 (en) * 1978-10-20 1982-11-04 Ciba Geigy Ag Perfluoroalkylalkylenemercapto group containing non-ionic surfactants, process for their manufacture and their use
JPS5929194A (ja) * 1982-08-09 1984-02-16 Fuji Photo Film Co Ltd 感熱記録紙
FR2620445B1 (fr) * 1987-09-16 1990-07-20 Centre Nat Rech Scient Nouveaux derives fluores d'acides amines, utilisables en particulier comme agents tensioactifs ou cotensioactifs et preparations a usage biomedical comprenant ces derives
FR2637599B1 (fr) * 1988-10-10 1991-01-11 Szonyi Istvan Nouveaux composes amidofluores, leur obtention et leur utilisation
EP1296182A1 (en) * 2001-09-21 2003-03-26 Eastman Kodak Company Fluorinated surfactants in overcoat compositions and elements containing same
US20030148232A1 (en) * 2001-09-21 2003-08-07 Orem Michael W. Fluorinated surfactants in overcoat compositions and elements containing same
GB0223835D0 (en) 2002-10-12 2002-11-20 Eastman Kodak Co Method of making a material
RU2290240C1 (ru) * 2005-06-09 2006-12-27 Андрей Леонидович Душкин Огнетушащий состав
DE102008018180A1 (de) * 2008-04-02 2009-10-15 Hansgrohe Ag Verfahren zum Nachweis von perfluorierten Tensiden
CN113433276B (zh) * 2021-06-07 2022-03-25 中南大学 一种黄铜矿抑制剂的量子化学高通量筛选方法
CN117987120A (zh) * 2022-10-27 2024-05-07 中国石油化工股份有限公司 一种油气藏解水锁化学剂及其制备方法和应用

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3194840A (en) * 1961-12-18 1965-07-13 Procter & Gamble N, n-diloweralkyl, 1, 1-dihydrogen perfluoroalkyl amine oxides
US3509061A (en) * 1966-10-18 1970-04-28 Us Navy Method and compositions for displacing organic liquids from solid surfaces
NL172234C (nl) * 1971-06-02 1983-08-01 Hoechst Ag Werkwijze voor het bereiden van geperfluoreerde carbonzuuramideamineverbindingen.
GB1337467A (en) * 1971-10-13 1973-11-14 Dow Corning Ltd Wetting compositions and treatment of surfaces therewith
DE2339987A1 (de) * 1972-08-15 1974-03-14 Ici Ltd Schmaelzmittel und verfahren zum schmaelzen von textilien

Also Published As

Publication number Publication date
CA1102652A (en) 1981-06-09
DE2759790C2 (de) 1982-09-23
FR2376208A1 (fr) 1978-07-28
GB1591293A (en) 1981-06-17
DE2758013C3 (de) 1981-11-05
JPS5385787A (en) 1978-07-28
FR2376208B1 (enrdf_load_stackoverflow) 1980-10-10
CH634873A5 (en) 1983-02-28
NL7714204A (nl) 1978-07-04
GB1591292A (en) 1981-06-17
DE2758013B2 (de) 1981-01-29
BE862459A (fr) 1978-06-29
AU517771B2 (en) 1981-08-27
JPS6254533B2 (enrdf_load_stackoverflow) 1987-11-16
MX148221A (es) 1983-03-28
AU3199477A (en) 1979-06-28
DE2758013A1 (de) 1978-07-06

Similar Documents

Publication Publication Date Title
BR7601663A (pt) Processo para preparar composicoespolimericas estabilizadas com poliaminas e processo de obtencao de poliaminas
BR7700875A (pt) Corpos formados de silicato de calcio e processo para produzir os mesmos
BR7608700A (pt) Artigo absorvente e processo aperfeicoado para fabricar o mesmo
BR7601125A (pt) Artigo absorvente,laminado para cobertura da superficie do artigo absorvente e processo de producao do mesmo
BR7702016A (pt) Revestimento absorvente para roupa de baixo e processo para fabricar o mesmo
BR7506710A (pt) Processo para revestir uma superficie com uma composicao de revestimento e composicao empregada no processo
BR7705035A (pt) Unidades de vidraca para automoveis e processo para as produzir
BR7507691A (pt) Aperfeicoamento em processo para fabricar calcado e conjunto de moldes para realizacao do processo
IT1078954B (it) Composizione inibente la corrosione e processo per inibire la corrosione
BR7406369D0 (pt) Processo para reduzir as concentracoes de compostos de enxofre e nitrogenio em oleos de petroleo
BR7603488A (pt) Processo para inibir corrosao
BR7601573A (pt) Composicao de revestimento e processo para prepara-la
BR7700718A (pt) Processo para combinar borracha com silica
BR7704416A (pt) Aperfeicoamento em processo de hidroformilar uma alfa-olefina para produzir aldeidos
BR7604384A (pt) Processo para melhorar as propriedades lubrificantes de lubrificantes solidos,e composicao de materia assim obtida
BR7801931A (pt) Processo e composicao para tratar cabelo
BR7501392A (pt) Processo e banhos para encolar superficialmente papeis e papeloes
BR7600709A (pt) Processo para produzir polpa celulosica
BR7708741A (pt) Processo para melhorar as propriedades de tensao superficial de solucoes de tenso-ativos e composicao tenso-ativa
BR7601880A (pt) Processo flexivel integrado para produzir amoniaco e urei
BR7802499A (pt) Processo para produzir beta-l-frutofuranosil alfa-l-glucopiranosidio
BR7802434A (pt) Polimero fluorado e processo para preparar o mesmo
BR7607291A (pt) Composicao e processo para aperfeicoar o retardamento ao jogo de um polimero alifatico contendo cloro
BR7800683A (pt) Aperfeicoamento em processo para melhorar carvao;e processo para beneficiamento de carvao
BR7707207A (pt) Processo e aparelho para avaliar um material extrudavel