NL221775A - - Google Patents
Info
- Publication number
- NL221775A NL221775A NL221775DA NL221775A NL 221775 A NL221775 A NL 221775A NL 221775D A NL221775D A NL 221775DA NL 221775 A NL221775 A NL 221775A
- Authority
- NL
- Netherlands
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/46—Purification of aluminium oxide, aluminium hydroxide or aluminates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B30/00—Preparation of starch, degraded or non-chemically modified starch, amylose, or amylopectin
- C08B30/04—Extraction or purification
- C08B30/042—Extraction or purification from cereals or grains
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/20—Particle morphology extending in two dimensions, e.g. plate-like
- C01P2004/22—Particle morphology extending in two dimensions, e.g. plate-like with a polygonal circumferential shape
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US617947A US2961297A (en) | 1956-10-24 | 1956-10-24 | Process for producing alumina of low soda content |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL221775A true NL221775A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=24475711
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL112432D NL112432C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1956-10-24 | ||
| NL221775D NL221775A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1956-10-24 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL112432D NL112432C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1956-10-24 |
Country Status (6)
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3092453A (en) * | 1959-08-18 | 1963-06-04 | Aluminum Co Of America | Production of low-soda alumina |
| US3092452A (en) * | 1959-08-18 | 1963-06-04 | Aluminum Co Of America | Production of low-soda alumina |
| US3175883A (en) * | 1961-06-05 | 1965-03-30 | Aluminium Lab Ltd | Process for reducing the soda content of alumina |
| US3402024A (en) * | 1963-11-22 | 1968-09-17 | Army Usa | Method of treating alumina |
| GB1046582A (en) * | 1964-03-04 | 1966-10-26 | Gen Motors Ltd | Improved method of producing alumina |
| US3443894A (en) * | 1966-08-30 | 1969-05-13 | Aluminum Co Of America | Process for producing kappa alumina |
| US3532460A (en) * | 1968-03-21 | 1970-10-06 | Aluminum Co Of America | Purification of alumina |
| US3655339A (en) * | 1969-07-18 | 1972-04-11 | Aluminum Co Of America | Production of low-soda alumina |
| US5360778A (en) * | 1993-05-11 | 1994-11-01 | Exxon Research And Engineering Company | High surface purity heat transfer solids for high temperature fluidized bed reactions |
| US5360777A (en) * | 1993-05-11 | 1994-11-01 | Exxon Research And Engineering Company | High performance alumina heat transfer solids for high temperature fluidized bed synthesis gas reactions |
| KR960700194A (ko) * | 1993-11-25 | 1996-01-19 | 고사이 아키오 | α-알루미나 분말의 제조방법(Process for producing α-alumina powder) |
| EP0656319B1 (en) | 1993-11-25 | 2003-04-09 | Sumitomo Chemical Company, Limited | Method for producing alpha-alumina powder |
| AU699077B2 (en) * | 1995-02-21 | 1998-11-19 | Sumitomo Chemical Company, Limited | Alpha-alumina and method for producing the same |
| US6407487B1 (en) * | 1998-02-27 | 2002-06-18 | Ngk Spark Plug Co., Ltd. | Spark plug, alumina insulator for spark plug, and method of manufacturing the same |
| KR101147047B1 (ko) * | 2010-04-16 | 2012-05-17 | 주식회사 에이치엠알(Hmr) | 고순도 알루미나 제조방법 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA462193A (en) * | 1950-01-03 | Henry Riesmeyer August | Treatment of alumina | |
| DE165612C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | ||||
| US1036454A (en) * | 1912-06-04 | 1912-08-20 | David H Childs | Process of producing alumina. |
| US2069060A (en) * | 1935-12-14 | 1937-01-26 | Gen Motors Corp | Alkali-free ceramic materials and method of making same |
| CH217476A (de) * | 1939-11-25 | 1941-10-31 | Aluminium Ind Ag | Verfahren zur Gewinnung von Natriumaluminat aus Alkalialuminiumsilikaten. |
| US2469088A (en) * | 1946-04-11 | 1949-05-03 | Aluminum Co Of America | Process of producing alumina |
| US2769688A (en) * | 1952-02-26 | 1956-11-06 | Houdry Process Corp | Low sodium catalyst support |
| NL112899C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1956-10-24 | |||
| US2833622A (en) * | 1956-11-01 | 1958-05-06 | Dorr Oliver Inc | Catalytic treatment of alumina in fluidized beds |
-
0
- NL NL112432D patent/NL112432C/xx active
- NL NL221775D patent/NL221775A/xx unknown
-
1956
- 1956-10-24 US US617947A patent/US2961297A/en not_active Expired - Lifetime
-
1957
- 1957-10-04 GB GB31128/57A patent/GB864010A/en not_active Expired
- 1957-10-07 FR FR1184745D patent/FR1184745A/fr not_active Expired
- 1957-10-10 DE DEA28076A patent/DE1132103B/de active Pending
- 1957-10-23 CH CH5191157A patent/CH372289A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1132103B (de) | 1962-06-28 |
| NL112432C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | |
| GB864010A (en) | 1961-03-29 |
| FR1184745A (fr) | 1959-07-24 |
| CH372289A (fr) | 1963-10-15 |
| US2961297A (en) | 1960-11-22 |