FR2021093B1 - - Google Patents
Info
- Publication number
- FR2021093B1 FR2021093B1 FR696935852A FR6935852A FR2021093B1 FR 2021093 B1 FR2021093 B1 FR 2021093B1 FR 696935852 A FR696935852 A FR 696935852A FR 6935852 A FR6935852 A FR 6935852A FR 2021093 B1 FR2021093 B1 FR 2021093B1
- Authority
- FR
- France
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/24—Sulfates of ammonium
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL6815005A NL6815005A (fr) | 1968-10-19 | 1968-10-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2021093A1 FR2021093A1 (fr) | 1970-07-17 |
FR2021093B1 true FR2021093B1 (fr) | 1973-03-16 |
Family
ID=19804965
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR696935852A Expired FR2021093B1 (fr) | 1968-10-19 | 1969-10-20 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3709666A (fr) |
BE (1) | BE740525A (fr) |
DE (1) | DE1952480A1 (fr) |
FR (1) | FR2021093B1 (fr) |
GB (1) | GB1280729A (fr) |
NL (1) | NL6815005A (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE756173R (fr) * | 1969-09-16 | 1971-03-15 | Stamicarbon | Procede pour l'obtention de sulfate d'ammonium a partir d'une solution aqueuse de sulfate d'ammonium, qui contient des matieres |
US3902859A (en) * | 1973-02-15 | 1975-09-02 | Koppers Co Inc | Method for separating ammonium sulfate from an aqueous solution of ammonium bisulfate and ammonium sulfate |
GB8313213D0 (en) * | 1983-05-13 | 1983-06-22 | Monsanto Plc | Inorganic salt recovery method |
DE3923423A1 (de) * | 1989-02-18 | 1990-10-18 | Erdoelchemie Gmbh | Verfahren zur entfernung von ammoniumsulfat aus hochteerhaltigen abfallstroemen der (meth)acrylnitrilherstellung |
JP3804210B2 (ja) * | 1997-03-04 | 2006-08-02 | 住友化学株式会社 | 2−ヒドロキシ−4−メチルチオブタン酸の製造方法 |
BR112013016810B1 (pt) | 2010-12-29 | 2020-12-29 | Cj Cheiljedang Corporation | métodos para produção de l-metionina e produtos correlatos |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2775616A (en) * | 1956-12-25 | Preparation of methionine from a-aming- | ||
US2071282A (en) * | 1934-05-18 | 1937-02-16 | Bergwerksverband Gmbh | Method of separating amino-acids readily soluble in water and ammonium sulphate |
US2162655A (en) * | 1935-08-01 | 1939-06-13 | Degussa | Production of solid ammonium perphosphate |
US2386985A (en) * | 1944-10-11 | 1945-10-16 | Koppers Co Inc | Process for the recovery of ammonium thiosulphate and thiocyanate |
US2482830A (en) * | 1945-08-23 | 1949-09-27 | American Viscose Corp | Production of anhydrous sodium sulfate |
US2443391A (en) * | 1945-09-26 | 1948-06-15 | Du Pont | Methionine isolation process |
US2485236A (en) * | 1945-10-24 | 1949-10-18 | Du Pont | Preparation of methionine and precursors thereof |
US2471053A (en) * | 1946-02-15 | 1949-05-24 | F E Booth Company Inc | Amino acid extraction |
US2504425A (en) * | 1948-05-18 | 1950-04-18 | Du Pont | Separation of pure methionine from methionine nitrile hydrolyzates |
US2659659A (en) * | 1950-12-07 | 1953-11-17 | Standard Oil Dev Co | Ammonium sulfate production |
NL6411467A (fr) * | 1964-10-02 | 1966-04-04 | ||
US3408157A (en) * | 1966-06-01 | 1968-10-29 | Standard Oil Co | Process for recovery of ammonium salts from process waste streams and disposal thereof |
US3597168A (en) * | 1968-12-11 | 1971-08-03 | Kali Veb K | Recovery of large grains of na2so4 and (nh4)2so4 from aqueous methanol solutions |
-
1968
- 1968-10-19 NL NL6815005A patent/NL6815005A/xx unknown
-
1969
- 1969-10-17 GB GB51193/69A patent/GB1280729A/en not_active Expired
- 1969-10-17 DE DE19691952480 patent/DE1952480A1/de active Pending
- 1969-10-20 BE BE740525D patent/BE740525A/xx unknown
- 1969-10-20 FR FR696935852A patent/FR2021093B1/fr not_active Expired
- 1969-10-20 US US00867885A patent/US3709666A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE1952480A1 (de) | 1970-04-30 |
BE740525A (fr) | 1970-04-20 |
NL6815005A (fr) | 1970-04-21 |
GB1280729A (en) | 1972-07-05 |
FR2021093A1 (fr) | 1970-07-17 |
US3709666A (en) | 1973-01-09 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |