FR1379762A - Procédé pour la fabrication de corps constitués par une dispersion de réfractaire dans une matrice de pyrocarbone étanche aux gaz - Google Patents
Procédé pour la fabrication de corps constitués par une dispersion de réfractaire dans une matrice de pyrocarbone étanche aux gazInfo
- Publication number
- FR1379762A FR1379762A FR950932A FR950932A FR1379762A FR 1379762 A FR1379762 A FR 1379762A FR 950932 A FR950932 A FR 950932A FR 950932 A FR950932 A FR 950932A FR 1379762 A FR1379762 A FR 1379762A
- Authority
- FR
- France
- Prior art keywords
- refractory
- tight
- dispersion
- manufacture
- gas
- 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
Links
Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/52—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite
- C04B35/528—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite obtained from carbonaceous particles with or without other non-organic components
- C04B35/532—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite obtained from carbonaceous particles with or without other non-organic components containing a carbonisable binder
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/48—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates
- C04B35/486—Fine ceramics
- C04B35/488—Composites
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/51—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on compounds of actinides
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/5156—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on rare earth compounds
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/5158—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on actinide compounds
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/52—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite
- C04B35/521—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite obtained by impregnation of carbon products with a carbonisable material
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/62204—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products using waste materials or refuse
- C04B35/62213—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products using waste materials or refuse using rice material, e.g. bran or hulls or husks
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/632—Organic additives
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/632—Organic additives
- C04B35/636—Polysaccharides or derivatives thereof
- C04B35/6365—Cellulose or derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating 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
- C04B41/5001—Coating 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 carbon or carbonisable materials
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/85—Coating or impregnation with inorganic materials
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
- G21C3/42—Selection of substances for use as reactor fuel
- G21C3/58—Solid reactor fuel Pellets made of fissile material
- G21C3/62—Ceramic fuel
- G21C3/64—Ceramic dispersion fuel, e.g. cermet
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- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
-
- 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
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/20—Tar bonded
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Composite Materials (AREA)
- Plasma & Fusion (AREA)
- Dispersion Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Carbon And Carbon Compounds (AREA)
- Ceramic Products (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
- Compositions Of Oxide Ceramics (AREA)
Priority Applications (12)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1050233D GB1050233A (fr) | 1963-10-17 | ||
FR950932A FR1379762A (fr) | 1963-10-17 | 1963-10-17 | Procédé pour la fabrication de corps constitués par une dispersion de réfractaire dans une matrice de pyrocarbone étanche aux gaz |
FR985295A FR87055E (fr) | 1963-10-17 | 1964-08-14 | Procédé pour la fabrication de corps constitués par une dispersion de réfractaire dans une matrice de pyrocarbone étanche aux gaz |
US401986A US3309434A (en) | 1963-10-17 | 1964-10-06 | Process for the fabrication of bodies formed by dispersion of refractory material within a pyrocarbon matrix which is impervious to gases |
BE654075A BE654075A (fr) | 1963-10-17 | 1964-10-07 | |
LU47127A LU47127A1 (fr) | 1963-10-17 | 1964-10-12 | |
SE12465/64A SE319116B (fr) | 1963-10-17 | 1964-10-16 | |
DE19641471076 DE1471076B2 (de) | 1963-10-17 | 1964-10-16 | Verfahren zum Herstellen von aus in eine kohlenstoffhaltige Matrix eingebettetem feuerfestem Material bestehenden Körpern |
CH1345464A CH433520A (fr) | 1963-10-17 | 1964-10-16 | Procédé d'élaboration de corps constitués par une dispersion d'une matière réfractaire dans une matrice carbonée étanche aux gaz |
NL6412104A NL6412104A (fr) | 1963-10-17 | 1964-10-16 | |
ES305020A ES305020A1 (es) | 1963-10-17 | 1964-10-17 | Procedimiento de fabricacion de mezclas refractarias en ma-triz carbonada estanca a los gases. |
US560344A US3325570A (en) | 1963-10-17 | 1966-05-05 | Process for the fabrication of bodies formed by dispersion of refractory material within a pyrocarbon matrix which is impervious to gases |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR950932A FR1379762A (fr) | 1963-10-17 | 1963-10-17 | Procédé pour la fabrication de corps constitués par une dispersion de réfractaire dans une matrice de pyrocarbone étanche aux gaz |
FR985295A FR87055E (fr) | 1963-10-17 | 1964-08-14 | Procédé pour la fabrication de corps constitués par une dispersion de réfractaire dans une matrice de pyrocarbone étanche aux gaz |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1379762A true FR1379762A (fr) | 1964-11-27 |
Family
ID=26203938
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR950932A Expired FR1379762A (fr) | 1963-10-17 | 1963-10-17 | Procédé pour la fabrication de corps constitués par une dispersion de réfractaire dans une matrice de pyrocarbone étanche aux gaz |
FR985295A Expired FR87055E (fr) | 1963-10-17 | 1964-08-14 | Procédé pour la fabrication de corps constitués par une dispersion de réfractaire dans une matrice de pyrocarbone étanche aux gaz |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR985295A Expired FR87055E (fr) | 1963-10-17 | 1964-08-14 | Procédé pour la fabrication de corps constitués par une dispersion de réfractaire dans une matrice de pyrocarbone étanche aux gaz |
Country Status (10)
Country | Link |
---|---|
US (1) | US3309434A (fr) |
BE (1) | BE654075A (fr) |
CH (1) | CH433520A (fr) |
DE (1) | DE1471076B2 (fr) |
ES (1) | ES305020A1 (fr) |
FR (2) | FR1379762A (fr) |
GB (1) | GB1050233A (fr) |
LU (1) | LU47127A1 (fr) |
NL (1) | NL6412104A (fr) |
SE (1) | SE319116B (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1430350A (fr) * | 1965-01-21 | 1966-03-04 | Commissariat Energie Atomique | Procédé de fabrication d'éléments combustibles pour réacteur nucléaire et éléments combustibles obtenus |
US4064204A (en) * | 1974-09-30 | 1977-12-20 | General Atomic Company | Manufacture of nuclear fuel compacts |
US4113480A (en) * | 1976-12-09 | 1978-09-12 | Cabot Corporation | Method of injection molding powder metal parts |
US4256676A (en) * | 1978-11-22 | 1981-03-17 | Kovach Julius L | Process for preparing porous metal oxide beads |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3079316A (en) * | 1958-05-22 | 1963-02-26 | Minnesota Mining & Mfg | Thermally resistant articles and method for their fabrication |
US3166614A (en) * | 1959-11-30 | 1965-01-19 | Carborundum Co | Process of making nuclear fuel element |
BE603069A (fr) * | 1960-04-26 | |||
DE1248176B (de) * | 1961-03-21 | 1967-08-24 | Sigri Elektrographit Gmbh | Kernreaktor-Brennstoffelement fuer hohe Temperaturen |
US3158547A (en) * | 1961-06-30 | 1964-11-24 | Air Reduction | Method of encapsulating a graphite body containing metallic and ceramic particles |
NL281237A (fr) * | 1961-07-31 | |||
US3122595A (en) * | 1961-12-04 | 1964-02-25 | Joseph H Oxley | Controlled nuclear reactor dispersions and method of making |
-
0
- GB GB1050233D patent/GB1050233A/en active Active
-
1963
- 1963-10-17 FR FR950932A patent/FR1379762A/fr not_active Expired
-
1964
- 1964-08-14 FR FR985295A patent/FR87055E/fr not_active Expired
- 1964-10-06 US US401986A patent/US3309434A/en not_active Expired - Lifetime
- 1964-10-07 BE BE654075A patent/BE654075A/xx unknown
- 1964-10-12 LU LU47127A patent/LU47127A1/xx unknown
- 1964-10-16 DE DE19641471076 patent/DE1471076B2/de not_active Withdrawn
- 1964-10-16 CH CH1345464A patent/CH433520A/fr unknown
- 1964-10-16 NL NL6412104A patent/NL6412104A/xx unknown
- 1964-10-16 SE SE12465/64A patent/SE319116B/xx unknown
- 1964-10-17 ES ES305020A patent/ES305020A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH433520A (fr) | 1967-04-15 |
LU47127A1 (fr) | 1964-12-12 |
DE1471076B2 (de) | 1970-10-01 |
BE654075A (fr) | 1965-02-01 |
NL6412104A (fr) | 1965-04-20 |
ES305020A1 (es) | 1970-05-16 |
DE1471076A1 (de) | 1969-04-10 |
US3309434A (en) | 1967-03-14 |
GB1050233A (fr) | |
SE319116B (fr) | 1969-12-22 |
FR87055E (fr) | 1966-06-03 |
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