FR944432A - Sols et gels d'alcoyl-silicones - Google Patents

Sols et gels d'alcoyl-silicones

Info

Publication number
FR944432A
FR944432A FR944432DA FR944432A FR 944432 A FR944432 A FR 944432A FR 944432D A FR944432D A FR 944432DA FR 944432 A FR944432 A FR 944432A
Authority
FR
France
Prior art keywords
soils
gels
silicone
alkyl
silicone soils
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.)
Expired
Application number
Other languages
English (en)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR944432A publication Critical patent/FR944432A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C04B41/00After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/80After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/81Coating or impregnation
    • C04B41/85Coating or impregnation with inorganic materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J13/00Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/0004Preparation of sols
    • B01J13/0026Preparation of sols containing a liquid organic phase
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/08Silica
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00Silicon; Compounds thereof
    • C01B33/113Silicon oxides; Hydrates thereof
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00Silicon; Compounds thereof
    • C01B33/113Silicon oxides; Hydrates thereof
    • C01B33/12Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/14Colloidal silica, e.g. dispersions, gels, sols
    • C01B33/157After-treatment of gels
    • C01B33/158Purification; Drying; Dehydrating
    • C01B33/1585Dehydration into aerogels
    • 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
    • C04B41/00After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/46Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with organic materials
    • C04B41/49Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Organo-clay compounds; Organo-silicates, i.e. ortho- or polysilicic acid esters ; Organo-phosphorus compounds; Organo-inorganic complexes
    • C04B41/4905Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Organo-clay compounds; Organo-silicates, i.e. ortho- or polysilicic acid esters ; Organo-phosphorus compounds; Organo-inorganic complexes containing silicon
    • C04B41/4922Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Organo-clay compounds; Organo-silicates, i.e. ortho- or polysilicic acid esters ; Organo-phosphorus compounds; Organo-inorganic complexes containing silicon applied to the substrate as monomers, i.e. as organosilanes RnSiX4-n, e.g. alkyltrialkoxysilane, dialkyldialkoxysilane
    • C04B41/4927Alkali metal or ammonium salts
    • 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
    • C04B41/00After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/46Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with organic materials
    • C04B41/49Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Organo-clay compounds; Organo-silicates, i.e. ortho- or polysilicic acid esters ; Organo-phosphorus compounds; Organo-inorganic complexes
    • C04B41/4905Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Organo-clay compounds; Organo-silicates, i.e. ortho- or polysilicic acid esters ; Organo-phosphorus compounds; Organo-inorganic complexes containing silicon
    • C04B41/495Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Organo-clay compounds; Organo-silicates, i.e. ortho- or polysilicic acid esters ; Organo-phosphorus compounds; Organo-inorganic complexes containing silicon applied to the substrate as oligomers or polymers
    • C04B41/4961Polyorganosiloxanes, i.e. polymers with a Si-O-Si-O-chain; "silicones"
    • 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
    • C04B41/00After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/50Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
    • C04B41/5076Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with masses bonded by inorganic cements
    • C04B41/5089Silica sols, alkyl, ammonium or alkali metal silicate cements
    • 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
    • C04B41/00After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/80After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/81Coating or impregnation
    • C04B41/82Coating or impregnation with organic materials
    • C04B41/84Compounds having one or more carbon-to-metal of carbon-to-silicon linkages
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F7/00Compounds containing elements of Groups 4 or 14 of the Periodic Table
    • C07F7/02Silicon compounds
    • C07F7/08Compounds having one or more C—Si linkages
    • C07F7/0834Compounds having one or more O-Si linkage
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L83/00Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
    • C08L83/04Polysiloxanes
    • 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
    • D06M15/00Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/643Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/03Non-macromolecular organic compounds
    • D21H17/05Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
    • D21H17/13Silicon-containing compounds
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20Macromolecular organic compounds
    • D21H17/33Synthetic macromolecular compounds
    • D21H17/46Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/59Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon
    • 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
    • C04B2103/00Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/60Agents for protection against chemical, physical or biological attack
    • C04B2103/67Biocides
    • C04B2103/69Fungicides
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/02Polysilicates
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/04Polysiloxanes
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S65/00Glass manufacturing
    • Y10S65/901Liquid phase reaction process

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Structural Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Textile Engineering (AREA)
  • Silicon Compounds (AREA)
FR944432D 1945-02-10 1947-04-01 Sols et gels d'alcoyl-silicones Expired FR944432A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US577342A US2441422A (en) 1945-02-10 1945-02-10 Organosilicon-silica sols, gels, and aerogels

Publications (1)

Publication Number Publication Date
FR944432A true FR944432A (fr) 1949-04-05

Family

ID=24308293

Family Applications (3)

Application Number Title Priority Date Filing Date
FR921914D Expired FR921914A (fr) 1945-02-10 1946-02-08 Traitement des matériaux permettant de les hydrofuger
FR944432D Expired FR944432A (fr) 1945-02-10 1947-04-01 Sols et gels d'alcoyl-silicones
FR72231D Expired FR72231E (fr) 1945-02-10 1957-09-04 Sols et gels d'alcoylsilicones

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR921914D Expired FR921914A (fr) 1945-02-10 1946-02-08 Traitement des matériaux permettant de les hydrofuger

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR72231D Expired FR72231E (fr) 1945-02-10 1957-09-04 Sols et gels d'alcoylsilicones

Country Status (3)

Country Link
US (1) US2441422A (fr)
FR (3) FR921914A (fr)
GB (1) GB607426A (fr)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2546036A (en) * 1946-06-11 1951-03-20 Gen Electric Method of preparation of dimethyl silicone gums
US2623832A (en) * 1946-09-20 1952-12-30 Montclair Res Corp Polymerizing silicon acylates
US2565524A (en) * 1947-03-03 1951-08-28 Montclair Res Corp Silicon-resin foams
GB675188A (en) * 1947-10-28 1952-07-09 Cowles Chem Co Organo-silicon compounds
US2584085A (en) * 1948-07-20 1952-01-29 Shell Dev Lubricant
US2582215A (en) * 1950-02-23 1952-01-15 Dow Corning Method of rendering ceramic materials water repellent
US2645588A (en) * 1950-03-09 1953-07-14 Dow Corning Siloxane silica composition
US2863846A (en) * 1950-05-04 1958-12-09 Dow Corning Organo silyl-silica filled siloxane elastomers and process for producing same
US2676182A (en) * 1950-09-13 1954-04-20 Dow Corning Copolymeric siloxanes and methods of preparing them
US2706723A (en) * 1951-06-21 1955-04-19 Dow Corning Water repellent treatment for masonry and siloxane composition
US2786042A (en) * 1951-11-23 1957-03-19 Du Pont Process for preparing sols of colloidal particles of reacted amorphous silica and products thereof
US2763629A (en) * 1952-03-25 1956-09-18 Lof Glass Fibers Co Product for treating glass fibers for improving the adhesion of resins thereto
US2721812A (en) * 1952-04-01 1955-10-25 Du Pont Quaternary ammonium organo silanolate, process of treating a siliceous material therewith and product thereby
BE520123A (fr) * 1952-05-27
BE520243A (fr) * 1952-05-27
US2711967A (en) * 1952-08-02 1955-06-28 Leandro W Tomarkin Water-repellant composition
US2886460A (en) * 1954-09-14 1959-05-12 Du Pont Organophilic and hydrophilic composition
US3015645A (en) * 1954-10-06 1962-01-02 Dow Corning Silica powders
US3036985A (en) * 1954-10-06 1962-05-29 Dow Corning Composition comprising a siloxane copolymer
US2967168A (en) * 1954-11-12 1961-01-03 Gen Electric Vinyl-substituted silica aerogels
US2945817A (en) * 1956-09-04 1960-07-19 Gen Electric Silica-silicone aerogels and their preparation
US2970932A (en) * 1958-05-19 1961-02-07 Fibreboard Paper Products Corp Paperboard having a water-repellent coating
US2980558A (en) * 1958-05-29 1961-04-18 Du Pont Process of impregnating paper with silica sols
US3222320A (en) * 1961-10-16 1965-12-07 Union Carbide Corp Equilibration of organosiloxane polymers
US3285803A (en) * 1962-10-03 1966-11-15 Johns Manville Composite laminates and molded articles and method of making same
US3307956A (en) * 1963-10-28 1967-03-07 Union Carbide Corp Process of making a sausage casing with an organosiloxane
US4071374A (en) * 1975-06-23 1978-01-31 Gripsin Industries, Inc. Friction cosmetic gel
GB1588963A (en) * 1976-07-28 1981-05-07 Nat Res Dev Stone treatment
US4680049A (en) * 1986-08-15 1987-07-14 Gte Laboratories Incorporated Process for molding optical components of silicate glass to a near net shape optical precision
US4776867A (en) * 1986-08-15 1988-10-11 Gte Laboratories Incorporated Process for molding optical components of silicate glass to a near net shape optical precision
FR2652819B1 (fr) * 1989-10-09 1994-01-07 Rhone Poulenc Chimie Suspension de zeolite comprenant un siliconate.
US5381149A (en) * 1992-04-17 1995-01-10 Hughes Aircraft Company Broadband absorbers of electromagnetic radiation based on aerogel materials, and method of making the same
CA2280909C (fr) * 1997-02-24 2007-11-13 Dow Corning Corporation Gels de silice hydrophobes a vieillissement neutre presentant une zone superficielle limitee
US7026362B2 (en) * 2001-10-09 2006-04-11 Simax Technologies, Inc. Sol-gel process utilizing reduced mixing temperatures
US7125912B2 (en) * 2001-10-09 2006-10-24 Simax Technologies, Inc. Doped sol-gel materials and method of manufacture utilizing reduced mixing temperatures
US20030147606A1 (en) * 2002-02-01 2003-08-07 Shiho Wang Sol-gel-based optical preforms and methods of manufacture
US20040194511A1 (en) * 2002-02-01 2004-10-07 Chih-Hsing Cheng Sol-gel-derived halogen-doped glass
ES2895507T3 (es) * 2016-07-27 2022-02-21 Wacker Chemie Ag Procedimiento para la producción de un ácido silícico de precipitación modificado
EP3732132A1 (fr) 2017-12-27 2020-11-04 Rhodia Operations Silice précipitée et procédé pour sa fabrication
US11555121B2 (en) 2018-04-12 2023-01-17 Rhodia Operations Precipitated silica and process for its manufacture
BR112021026508A2 (pt) * 2019-06-27 2022-02-15 Rhodia Operations Sílica precipitada e processo para sua fabricação

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2093454A (en) * 1934-10-01 1937-09-21 Samuel S Kistler Method of producing aerogels
US2285449A (en) * 1939-05-08 1942-06-09 Monsanto Chemicals Method of producing sols and aerogels
US2258218A (en) * 1939-08-01 1941-10-07 Gen Electric Methyl silicones and related products
US2408656A (en) * 1943-04-27 1946-10-01 Du Pont Process for producing silicic acid sols

Also Published As

Publication number Publication date
FR921914A (fr) 1947-05-22
GB607426A (en) 1948-08-31
FR72231E (fr) 1960-08-05
US2441422A (en) 1948-05-11

Similar Documents

Publication Publication Date Title
FR944432A (fr) Sols et gels d'alcoyl-silicones
FR925049A (fr) Sphygmomètre et oscillomètre électroniques
FR917559A (fr) Alliages d'aluminium-zinc-magnésium
FR932871A (fr) Accouplements d'axes
FR1001562A (fr) électro-aimant et ses applications
FR933787A (fr) Joint d'assemblage
FR933230A (fr) Pochettes d'allumettes
FR947005A (fr) Torréfaction rationnelle et ses applications
FR937524A (fr) Enregistreur de courbes d'impédance
FR920883A (fr) Robinet d'arrêt
FR920491A (fr) Esters d'aryl-hydroxyméthyl-pipéridines
FR919612A (fr) Roue d'échappement à ancre
FR1005840A (fr) Turbine et ses applications
FR921141A (fr) Amplificateur d'ondes
ES172337A1 (es) Mejoras introducidas en la fabricación de juntas metaloplásticas
FR1005198A (fr) Poutre tubulaire et ses applications
FR917724A (fr) Poutre repliable et ses diverses applications
FR1005512A (fr) Panneau de construction et applications
FR934038A (fr) Générateur d'oscillations
FR923497A (fr) Préparation de sols, de gels et d'hydrates précipités
FR934297A (fr) Collecteur d'ondes
FR942508A (fr) Pioche-sonnette et mouton-preneur
FR928159A (fr) Pulsateur et ses applications
ES168592A1 (es) Perfeccionamientos en la construcción de aparatos proyectores de propaganda y fondos
FR976305A (fr) Fusée et avion-fusée