DE3001806C2 - - Google Patents
Info
- Publication number
- DE3001806C2 DE3001806C2 DE3001806A DE3001806A DE3001806C2 DE 3001806 C2 DE3001806 C2 DE 3001806C2 DE 3001806 A DE3001806 A DE 3001806A DE 3001806 A DE3001806 A DE 3001806A DE 3001806 C2 DE3001806 C2 DE 3001806C2
- Authority
- DE
- Germany
- Prior art keywords
- methyl
- hydantoin
- synthesis
- hydrogen cyanide
- mercaptopropionaldehyde
- 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 - Lifetime
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C3/00—Cyanogen; Compounds thereof
- C01C3/02—Preparation, separation or purification of hydrogen cyanide
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C3/00—Cyanogen; Compounds thereof
- C01C3/02—Preparation, separation or purification of hydrogen cyanide
- C01C3/04—Separation from gases
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C1/00—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C319/00—Preparation of thiols, sulfides, hydropolysulfides or polysulfides
- C07C319/26—Separation; Purification; Stabilisation; Use of additives
- C07C319/28—Separation; Purification
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C321/00—Thiols, sulfides, hydropolysulfides or polysulfides
- C07C321/02—Thiols having mercapto groups bound to acyclic carbon atoms
- C07C321/04—Thiols having mercapto groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C323/00—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups
- C07C323/50—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and carboxyl groups bound to the same carbon skeleton
- C07C323/51—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and carboxyl groups bound to the same carbon skeleton having the sulfur atoms of the thio groups bound to acyclic carbon atoms of the carbon skeleton
- C07C323/57—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and carboxyl groups bound to the same carbon skeleton having the sulfur atoms of the thio groups bound to acyclic carbon atoms of the carbon skeleton the carbon skeleton being further substituted by nitrogen atoms, not being part of nitro or nitroso groups
- C07C323/58—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and carboxyl groups bound to the same carbon skeleton having the sulfur atoms of the thio groups bound to acyclic carbon atoms of the carbon skeleton the carbon skeleton being further substituted by nitrogen atoms, not being part of nitro or nitroso groups with amino groups bound to the carbon skeleton
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP54007852A JPS60344B2 (ja) | 1979-01-25 | 1979-01-25 | メチオニン合成排ガスから有効成分の回収方法 |
JP994679A JPS60345B2 (ja) | 1979-01-30 | 1979-01-30 | メチオニン合成排ガスから有効成分の回収法 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3001806A1 DE3001806A1 (de) | 1980-07-31 |
DE3001806C2 true DE3001806C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-05-23 |
Family
ID=26342237
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19803001806 Granted DE3001806A1 (de) | 1979-01-25 | 1980-01-18 | Verfahren zur gewinnung brauchbarer verbindungen aus bei der methioninsynthese anfallendem abgas |
Country Status (5)
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115650890A (zh) * | 2022-04-28 | 2023-01-31 | 宁夏紫光天化蛋氨酸有限责任公司 | 2-羟基-4-甲硫基丁腈的生产尾气处理方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3636098A (en) * | 1966-07-02 | 1972-01-18 | Sumitomo Chemical Co | Process for producing methionine |
DE2315935A1 (de) * | 1973-03-30 | 1974-10-10 | Quimco Gmbh | Neue imidazolderivate und verfahren zu ihrer herstellung |
-
1980
- 1980-01-18 DE DE19803001806 patent/DE3001806A1/de active Granted
- 1980-01-23 IT IT47681/80A patent/IT1143010B/it active
- 1980-01-23 FR FR8001451A patent/FR2447367A1/fr active Granted
- 1980-01-24 MX MX180942A patent/MX154099A/es unknown
- 1980-01-24 BE BE0/199089A patent/BE881325A/fr not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE3001806A1 (de) | 1980-07-31 |
MX154099A (es) | 1987-05-08 |
FR2447367A1 (fr) | 1980-08-22 |
BE881325A (fr) | 1980-05-16 |
IT1143010B (it) | 1986-10-22 |
IT8047681A0 (it) | 1980-01-23 |
FR2447367B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1983-01-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8128 | New person/name/address of the agent |
Representative=s name: HENKEL, G., DR.PHIL. FEILER, L., DR.RER.NAT. HAENZ |
|
8110 | Request for examination paragraph 44 | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |