BR8501571A - Silica de precipitacao apresentado uma superficie bet compreendida entre 50 e 350 m2/9 e processo de sua obtencao - Google Patents

Silica de precipitacao apresentado uma superficie bet compreendida entre 50 e 350 m2/9 e processo de sua obtencao

Info

Publication number
BR8501571A
BR8501571A BR8501571A BR8501571A BR8501571A BR 8501571 A BR8501571 A BR 8501571A BR 8501571 A BR8501571 A BR 8501571A BR 8501571 A BR8501571 A BR 8501571A BR 8501571 A BR8501571 A BR 8501571A
Authority
BR
Brazil
Prior art keywords
ctab
obtaining
range
bet surface
precipitation silica
Prior art date
Application number
BR8501571A
Other languages
English (en)
Inventor
Yvonnick Chevallier
Jean-Claude Morawski
Original Assignee
Rhone Poulenc Chim Base
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9302914&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR8501571(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Rhone Poulenc Chim Base filed Critical Rhone Poulenc Chim Base
Publication of BR8501571A publication Critical patent/BR8501571A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/36—Silica
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
    • C01B33/187—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by acidic treatment of silicates
    • C01B33/193—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by acidic treatment of silicates of aqueous solutions of silicates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/12—Surface area
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/19—Oil-absorption capacity, e.g. DBP values
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/90—Other properties not specified above

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Silicon Compounds (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
BR8501571A 1984-04-06 1985-04-03 Silica de precipitacao apresentado uma superficie bet compreendida entre 50 e 350 m2/9 e processo de sua obtencao BR8501571A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8405460A FR2562534B1 (fr) 1984-04-06 1984-04-06 Nouvelle silice precipitee a caracteres morphologiques ameliores, procede pour son obtention et application, notamment comme charge

Publications (1)

Publication Number Publication Date
BR8501571A true BR8501571A (pt) 1985-12-03

Family

ID=9302914

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8501571A BR8501571A (pt) 1984-04-06 1985-04-03 Silica de precipitacao apresentado uma superficie bet compreendida entre 50 e 350 m2/9 e processo de sua obtencao

Country Status (9)

Country Link
US (1) US4590052A (pt)
EP (1) EP0157703B1 (pt)
JP (1) JPS60231409A (pt)
KR (1) KR910009572B1 (pt)
AT (1) ATE43559T1 (pt)
BR (1) BR8501571A (pt)
CA (1) CA1224012A (pt)
DE (1) DE3570638D1 (pt)
FR (1) FR2562534B1 (pt)

Families Citing this family (107)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5236623A (en) * 1984-07-11 1993-08-17 Rhone-Poulenc Chimie Process for the production of a silica colloid
FR2567505B1 (fr) * 1984-07-11 1986-11-21 Rhone Poulenc Chim Base Silice a prise d'huile elevee et a structure primaire controlee et procede pour son obtention
FR2589871B1 (fr) * 1985-09-13 1987-12-11 Rhone Poulenc Chim Base Charge renforcante pour elastomere a base de silice
GB8604985D0 (en) * 1986-02-28 1986-04-09 Unilever Plc Precipitated silicas
DE3639845A1 (de) * 1986-11-21 1988-06-01 Degussa Faellungskieselsaeuren, verfahren zu ihrer herstellung und verwendung
FR2611196B1 (fr) * 1987-02-25 1990-07-27 Rhone Poulenc Chimie Nouvelles silices de precipitation a faible reprise en eau, leur procede de preparation et leur application au renforcement des elastomeres silicones
US5614177A (en) * 1987-11-04 1997-03-25 Rhone-Poulenc Chimie Dentifrice-compatible silica particulates
US5286478A (en) * 1987-11-04 1994-02-15 Rhone-Poulenc Chimie Dentifrice-compatible silica particulates
FR2646665B1 (fr) * 1989-05-03 1991-11-29 Rhone Poulenc Chimie Silice pour compositions dentifrices compatible notamment avec les cations metalliques
FR2646664B1 (fr) * 1989-05-03 1991-09-06 Rhone Poulenc Chimie Silice pour compositions dentifrices compatible notamment avec les composes organiques amines
DE3815670A1 (de) * 1988-05-07 1990-01-25 Degussa Feinteilige faellungskieselsaeure mit hoher struktur, verfahren zu seiner herstellung und verwendung
FR2631620B1 (fr) * 1988-05-19 1990-07-27 Rhone Poulenc Chimie Nouvelle silice precipitee absorbante et composition a base de cette s ilice
FR2632185B1 (fr) * 1988-06-01 1992-05-22 Rhone Poulenc Chimie Silice pour compositions dentifrices compatible notamment avec le zinc
FR2649089B1 (fr) * 1989-07-03 1991-12-13 Rhone Poulenc Chimie Silice a porosite controlee et son procede d'obtention
US5094829A (en) † 1990-06-21 1992-03-10 Ppg Industries, Inc. Reinforced precipitated silica
FR2673187B1 (fr) * 1991-02-25 1994-07-01 Michelin & Cie Composition de caoutchouc et enveloppes de pneumatiques a base de ladite composition.
FR2678259B1 (fr) * 1991-06-26 1993-11-05 Rhone Poulenc Chimie Nouvelles silices precipitees sous forme de granules ou de poudres, procedes de synthese et utilisation au renforcement des elastomeres.
EP0588497A1 (en) * 1992-08-19 1994-03-23 JOSEPH CROSFIELD & SONS LTD. Process for preparing precipitated silicas
CA2104529A1 (en) * 1993-06-18 1994-12-19 Paul Harry Sandstrom Tire with silica reinforced tread
US5394919A (en) * 1993-06-18 1995-03-07 The Goodyear Tire & Rubber Company Tire with rubber/cord belt laminate
CA2104537A1 (en) * 1993-06-18 1994-12-19 Paul Harry Sandstrom Silica reinforced rubber composition
US5723529A (en) * 1994-12-21 1998-03-03 The Goodyear Tire & Rubber Company Silica based aggregates, elastomers reinforced therewith and tire tread thereof
US6977065B1 (en) * 1993-10-07 2005-12-20 Degussa Ag Precipitated silicas
DE4427137B4 (de) * 1993-10-07 2007-08-23 Degussa Gmbh Fällungskieselsäure
WO1995017459A1 (en) * 1993-12-20 1995-06-29 Ppg Industries, Inc. Tire tread composition comprising highly reinforcing silica
WO1995017458A1 (en) * 1993-12-20 1995-06-29 Ppg Industries, Inc. Tire tread composition comprising highly reinforcing silica
DE4400996C2 (de) 1994-01-14 1997-04-24 Uniroyal Englebert Gmbh Reifenlaufstreifen
DE4401934A1 (de) * 1994-01-24 1995-07-27 Sp Reifenwerke Gmbh Kautschukmischung, daraus hergestellte Reifenlauffläche und Reifen mit dieser Reifenlauffläche
DE4415720C2 (de) * 1994-05-05 1997-09-25 Uniroyal Englebert Gmbh Reifenkarkasse, deren Herstellung und Verwendung
FR2722505B1 (fr) 1994-07-15 1996-09-27 Michelin & Cie Compositions elastomeres chargees a la silice utilisables pour des enveloppes de pneumatiques
FR2722503A1 (fr) 1994-07-15 1996-01-19 Michelin & Cie Polymeres dieniques fonctionnels, leur procede de preparation et leur utilisation dans des compositions elastomeres chargees a la silice utilisables pour des enveloppes de pneumatiques
US5534578A (en) 1994-09-06 1996-07-09 The Goodyear Tire & Rubber Company Silica reinforced rubber composition containing salts of salicylic acid
CA2134838A1 (en) 1994-09-12 1996-03-13 Lawson Gibson Wideman Silica reinforced rubber composition
JP2908253B2 (ja) * 1994-09-26 1999-06-21 日本化学工業株式会社 水和珪酸とその製造方法
US5846506A (en) * 1994-10-07 1998-12-08 Degussa Aktiengesellschaft Precipitated silicas
DE4437646C2 (de) * 1994-10-21 1999-01-14 Uniroyal Englebert Gmbh Reifen umfassend seitliche Kissenstreifen
DE4438712A1 (de) * 1994-10-29 1996-05-02 Uniroyal Englebert Gmbh Kautschukmischung und Reifenseitenwände auf Basis derselben
EP0714937B1 (de) 1994-11-30 2000-03-15 SP Reifenwerke GmbH Kautschukmischung, daraus hergestellte Reifenlauffläche und Reifen mit dieser Reifenlauffläche
US5571494A (en) * 1995-01-20 1996-11-05 J. M. Huber Corporation Temperature-activated polysilicic acids
US5534599A (en) 1995-03-10 1996-07-09 The Goodyear Tire & Rubber Company Tire with silica reinforced rubber tread
DE19512543C2 (de) 1995-04-06 1999-02-25 Continental Ag Laufstreifenmischung für pneumatische Reifen sowie Verfahren zu ihrer Herstellung und Ihre Verwendung
US5911963A (en) * 1995-05-12 1999-06-15 Ppg Industries Ohio, Inc. Amorphous precipitated silica having a low proportion of small pores
US5622557A (en) * 1995-05-22 1997-04-22 Cabot Corporation Mineral binders colored with silicon-containing carbon black
US6028137A (en) * 1995-05-22 2000-02-22 Cabot Corporation Elastomeric compounds incorporating silicon-treated carbon blacks
US5830930A (en) * 1995-05-22 1998-11-03 Cabot Corporation Elastomeric compounds incorporating silicon-treated carbon blacks
US5869550A (en) * 1995-05-22 1999-02-09 Cabot Corporation Method to improve traction using silicon-treated carbon blacks
US6323273B1 (en) 1995-05-22 2001-11-27 Cabot Corporation Elastomeric compounds incorporating silicon-treated carbon blacks
JP3305722B2 (ja) * 1995-05-22 2002-07-24 キャボット コーポレイション 部分的に被覆されたカーボンブラックを含有するエラストマーのコンパウンド
US5877238A (en) * 1995-05-22 1999-03-02 Cabot Corporation Elastomeric compounds incorporating silicon-treated carbon blacks and coupling agents
US6008272A (en) * 1995-05-22 1999-12-28 Cabot Corporation Elastomeric compounds incorporating silicon-treated carbon blacks
DE19617039A1 (de) * 1995-06-01 1996-12-05 Degussa Fällungskieselsäuren, Verfahren zu ihrer Herstellung und Verwendung von vulkanisierbaren Kautschukmischungen
IN188702B (pt) * 1995-06-01 2002-10-26 Degussa
DE19526476A1 (de) * 1995-07-20 1997-01-23 Degussa Fällungskieselsäure
DE19527278A1 (de) * 1995-07-26 1997-01-30 Degussa Fällungskieselsäure
WO1997007165A1 (en) * 1995-08-16 1997-02-27 Osi Specialties, Inc. Stable silane compositions on silica carrier
IT1277581B1 (it) * 1995-09-14 1997-11-11 Enichem Elastomers Composizione elastomerica utile come battistrada per pneumatici
US6020402A (en) 1995-09-15 2000-02-01 Cabot Corporation Silicone rubber compositions incorporating silicon-treated carbon blacks
US5948835A (en) * 1995-09-15 1999-09-07 Cabot Corporation Silicon-treated carbon black/elastomer formulations and applications
CA2181224A1 (en) 1995-12-20 1997-06-21 Lawson Gibson Wideman Silica-filled rubber compositions containing a mixture of dithiodipropionic acid, trithiodipropionic acid and tetrathiodipropionic acid
DE19547630A1 (de) 1995-12-20 1997-06-26 Bayer Ag Vulkanisierbare Kautschukmischungen für die Herstellung von Fahrzeugreifen
FR2743564A1 (fr) 1996-01-11 1997-07-18 Michelin & Cie Compositions de caoutchouc pour enveloppes de pneumatiques a base de silices contenant un additif de renforcement a base d'un polyorganosiloxane fonctionnalise et d'un compose organosilane .
FR2744127A1 (fr) 1996-01-26 1997-08-01 Michelin & Cie Composition de caoutchouc a base d'un polymere dienique ayant une fonction silanol et comprenant un derive organosilane
US5733963A (en) 1996-02-20 1998-03-31 The Goodyear Tire & Rubber Company Silica reinforced rubber composition and tire with tread thereof
US5891421A (en) * 1996-03-22 1999-04-06 J.M. Huber Corporation Precipitated silicas having improved dentifrice performance characteristics and methods of preparation
CA2258189A1 (en) * 1996-06-14 1997-12-18 Cabot Corporation Modified carbon adsorbents and processes for adsorption using the same
US20020056686A1 (en) * 1996-06-14 2002-05-16 Agathagelos Kyrlidis Chromatography and other adsorptions using modified carbon adsorbents
US5747562A (en) * 1996-06-14 1998-05-05 Cabot Corporation Ink and coating compositions containing silicon-treated carbon black
FR2750692B1 (fr) * 1996-07-05 1998-10-16 Rhone Poulenc Chimie Nouvelle silice abrasive, utilisable dans les dentifrices, son procede de preparation et compositions dentifrices la contenant
AU4737997A (en) 1996-09-25 1998-04-17 Cabot Corporation Silica coated carbon blacks
JP3977437B2 (ja) * 1996-09-25 2007-09-19 キャボット コーポレイション カップリング剤で前処理したケイ素処理カーボンブラック
US5739197A (en) * 1996-12-19 1998-04-14 Ppg Industries, Inc. Amorphous precipitated silica characterized by high dispersion in cured organic rubber compositions
US5919855A (en) * 1997-02-11 1999-07-06 Cabot Corporation Use of modified carbon black in gas-phase polymerizations
US6017980A (en) * 1997-03-27 2000-01-25 Cabot Corporation Elastomeric compounds incorporating metal-treated carbon blacks
US5904762A (en) 1997-04-18 1999-05-18 Cabot Corporation Method of making a multi-phase aggregate using a multi-stage process
FR2762611B1 (fr) * 1997-04-29 1999-06-11 Atochem Elf Sa Silice poreuse modifiee, son procede de fabrication et son utilisation dans les peintures et comme vecteur de pigments et colorants
US5929156A (en) * 1997-05-02 1999-07-27 J.M. Huber Corporation Silica product for use in elastomers
US5891949A (en) * 1997-05-02 1999-04-06 J.M. Huber Corporation Natural rubber compound
FR2763581B1 (fr) * 1997-05-26 1999-07-23 Rhodia Chimie Sa Silice precipitee utilisable comme charge renforcante pour elastomeres
DE19740440A1 (de) 1997-09-15 1999-03-18 Degussa Leicht dispergierbare Fällungskieselsäure
WO1999029623A1 (en) * 1997-12-08 1999-06-17 J.M. Huber Corporation Precipitated amorphous silicas having improved physical properties
US6014998A (en) * 1998-06-09 2000-01-18 Pirelli Pneumatici S.P.A. Silica-reinforced tire compositions containing triazoles
US6025428A (en) * 1998-08-28 2000-02-15 Hankook Tire Co., Ltd. Rubber composition and method of incorporating silica filler
EP1018521A1 (fr) 1999-01-06 2000-07-12 Société de Technologie Michelin Procede de preparation de polymeres dieniques fonctionnalises amine, de tels polymeres, composition de caoutchouc et enveloppe de pneumatique comportant ces polymeres.
US6573032B1 (en) 1999-04-22 2003-06-03 J. M. Huber Corporation Very high structure, highly absorptive hybrid silica and method for making same
US6624233B2 (en) 1999-05-31 2003-09-23 Pirelli Pneumatici S.P.A. Low rolling resistance tire for vehicles
CA2312880A1 (en) * 1999-08-25 2001-02-25 The Goodyear Tire & Rubber Company Rubber composition containing two silicas
US6211345B1 (en) 1999-12-22 2001-04-03 Witco Corporation Synthesis of cyclic sulfur silanes
US6567836B1 (en) 1999-12-23 2003-05-20 Intel Corporation Multi-level carry-skip adder
JP4536375B2 (ja) 2001-06-28 2010-09-01 ソシエテ ド テクノロジー ミシュラン 極めて低い比表面積のシリカで強化されたタイヤトレッド
US20030096900A1 (en) * 2001-11-16 2003-05-22 Holden Brian David Organic plant derived precipitated silica aggregates, elastomers reinforced therewith and articles such as tires with component thereof
JP2003155383A (ja) * 2001-11-21 2003-05-27 Toyo Tire & Rubber Co Ltd タイヤトレッド用ゴム組成物
FR2833937B1 (fr) * 2001-12-26 2004-11-12 Rhodia Chimie Sa Silices a faible reprise en eau
WO2004058639A1 (ja) * 2002-12-25 2004-07-15 E-Tec Co., Ltd. 金属酸化物微粒子、金属酸化物マイクロカプセル、金属水酸化物微粒子、及び金属水酸化物マイクロカプセル、並びにそれらの製造方法
FR2852596B1 (fr) * 2003-03-18 2007-02-23 Rhodia Elect & Catalysis Composition a base d'oxydes de cerium et de zirconium a surface specifique stable entre 900 c et 1000 c, son procede de preparation et son utilisation comme catalyseur
FR2856680B1 (fr) * 2003-06-30 2005-09-09 Rhodia Chimie Sa Materiaux d'isolation thermique et/ou acoustique a base de silice et procedes pour leur obtention
US20060173118A1 (en) * 2005-01-28 2006-08-03 Sumitomo Rubber Industries, Ltd. Rubber composition and tire having tread comprising thereof
FR2928363B1 (fr) * 2008-03-10 2012-08-31 Rhodia Operations Nouveau procede de preparation de silices precipitees, silices precipitees a morphologie, granulometrie et porosite particulieres et leurs utilisations, notamment pour le renforcement de polymeres
ES2401813B2 (es) 2011-10-11 2013-08-12 Industrias Químicas Del Ebro, S.A. Carga reforzante de caucho.
CN107820504A (zh) * 2015-07-09 2018-03-20 英默里斯石墨及活性炭瑞士有限公司 具有低粘度的高导电炭黑
CN109415215A (zh) 2016-04-14 2019-03-01 弗朗索瓦·帕尔芒捷 一种不溶于水的有机酸合成矿物氧化物的方法
JP6841601B2 (ja) * 2016-05-16 2021-03-10 横浜ゴム株式会社 ゴム組成物およびそれを用いた空気入りタイヤ並びにゴム用補強剤
JP6848229B2 (ja) * 2016-07-01 2021-03-24 横浜ゴム株式会社 ゴム組成物およびそれを用いた空気入りタイヤ
JP6852291B2 (ja) * 2016-07-01 2021-03-31 横浜ゴム株式会社 ゴム組成物およびそれを用いた空気入りタイヤ
JP6834194B2 (ja) * 2016-07-01 2021-02-24 横浜ゴム株式会社 ゴム組成物およびそれを用いた空気入りタイヤ
JP6848228B2 (ja) * 2016-07-01 2021-03-24 横浜ゴム株式会社 ゴム組成物およびそれを用いた空気入りタイヤ
JP6874289B2 (ja) * 2016-07-04 2021-05-19 横浜ゴム株式会社 ゴム組成物およびそれを用いた空気入りタイヤ
RU2700937C1 (ru) 2016-07-22 2019-09-24 Публичное акционерное общество "СИБУР Холдинг" Способ получения разветвленно-модифицированного каучука и резиновая смесь, содержащая полученный данным способом разветвленно-модифицированный каучук, а также ее применение

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2765242A (en) * 1952-02-29 1956-10-02 Du Pont Process of making reinforced silica gel and esterified silica gel
US2713326A (en) * 1953-10-19 1955-07-19 Fannie Stephenson Animal chute
JPS5013604Y2 (pt) * 1971-02-09 1975-04-25
DE2344805A1 (de) * 1972-08-24 1974-03-21 Sifrance Verfahren zum herstellen von gefaellten kieselsaeuren
US3928541A (en) * 1972-09-05 1975-12-23 Huber Corp J M Amorphous precipitated siliceous pigments for cosmetic or dentrifrice use and methods for their production
GB1445635A (en) * 1972-09-06 1976-08-11 Huber Corp J M Method for producing amorphous precipitated silicic acid pigments
FR2257326B1 (pt) * 1973-06-19 1976-05-28 Rhone Progil
US3977893A (en) * 1973-10-03 1976-08-31 J. M. Huber Corporation Amorphous precipitated siliceous pigments and improved process for producing such pigments
US4122160A (en) * 1974-10-31 1978-10-24 J. M. Huber Corporation Toothpaste compositions containing improved amorphous precipitated silicas
US4422880A (en) * 1975-03-12 1983-12-27 J. M. Huber Corporation Precipitated siliceous products
FR2353486A1 (fr) * 1976-06-04 1977-12-30 Rhone Poulenc Ind Nouvelle silice de synthese amorphe, procede pour son obtention et application de ladite silice dans les vulcanisats
US4272509A (en) * 1978-09-19 1981-06-09 J. M. Huber Corporation Precipitated silicon dioxide cleaning agent and dentifrice composition
FR2471947A1 (fr) * 1979-12-20 1981-06-26 Rhone Poulenc Ind Silice de precipitation, notamment utilisable comme charge renforcante

Also Published As

Publication number Publication date
FR2562534A1 (fr) 1985-10-11
EP0157703A1 (fr) 1985-10-09
KR910009572B1 (ko) 1991-11-21
FR2562534B1 (fr) 1986-06-27
JPH0331642B2 (pt) 1991-05-08
CA1224012A (en) 1987-07-14
ATE43559T1 (de) 1989-06-15
KR850007229A (ko) 1985-12-02
DE3570638D1 (en) 1989-07-06
US4590052A (en) 1986-05-20
EP0157703B1 (fr) 1989-05-31
JPS60231409A (ja) 1985-11-18

Similar Documents

Publication Publication Date Title
BR8501571A (pt) Silica de precipitacao apresentado uma superficie bet compreendida entre 50 e 350 m2/9 e processo de sua obtencao
USD279992S (en) Dual tip marking instrument
BR9603193A (pt) ácido silìcico, processo para sua preparação e seu uso
BR0200743B1 (pt) ácido silìcico de precipitação com ìndice alcalino constante, processo para sua preparação, e seu uso.
IT1127264B (it) Processo per la preparazione di forme di pigmento facilmente disperdibili e con elevata intensita' cromatica
BR8802819A (pt) Processo para producao de negro-de-fumo
BR8300663A (pt) Ferramenta de termomoldagem; processo para a termomoldagem de uma folha termoplastica
DE3563533D1 (en) Derivatives of glycerophosphocholine and of glycerophosphoethanol amine, their preparation and use
BR8405320A (pt) Processo para a producao de polpa mecanica e polpa mecanica branqueada possuindo alvura acentuada
BR8200811A (pt) Processo para producao de dissulfetos de tiuram
BR8204766A (pt) Processo para producao de 2-cloropiridinas
BR9206814A (pt) Processo de produção de um carbonato de metal alcalino sluçao ou suspensão de carbonato de sódio e processo de produção de carbonator de sódio
BR8400409A (pt) Processo e instalacao para beneficiar oleos brutos pesados para fabricacao de coque apropriado para fins metalurgicos
BR8203713A (pt) Processo para producao de alcanois
PT80116B (pt) Processo para a producao de 2-oxindole-1-carboxamidas e de intermediarios para esse efeito
BR8203793A (pt) Processo para producao de alcanois
ES546173A0 (es) Procedimiento para la beneficiacion de minerales de sulfurosmetalicos
BR8207427A (pt) Processo para a producao de uma dispersao ou suspensao e dispositivo para a realizacao do processo
DE3262657D1 (en) Process for improving the technical application properties of pigment yellow 13
ES8505893A1 (es) Procedimiento de fabricacion de un producto de sepiolita de grado reologico
ZA823491B (en) Process for the manufacture of schales,rulers and similar instruments from plastics
BR8103847A (pt) Processo para producao de hidrocarbonetos e alcoois
BR8400408A (pt) Processo e instalacao para beneficiar oleos brutos pesados para fabricacao de coque apropriado para fins metalurgicos
JPS5613907A (en) Manufacture of blank of wiping tool
USD285096S (en) Writing instrument

Legal Events

Date Code Title Description
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 03/04/2000