KR940003928A - N, n-이치환된 우레아를 분해시켜 이소시안산을 제조하는 방법 - Google Patents
N, n-이치환된 우레아를 분해시켜 이소시안산을 제조하는 방법 Download PDFInfo
- Publication number
- KR940003928A KR940003928A KR1019930015594A KR930015594A KR940003928A KR 940003928 A KR940003928 A KR 940003928A KR 1019930015594 A KR1019930015594 A KR 1019930015594A KR 930015594 A KR930015594 A KR 930015594A KR 940003928 A KR940003928 A KR 940003928A
- Authority
- KR
- South Korea
- Prior art keywords
- isocyanic acid
- decomposing
- urea
- disubstituted
- disubstituted urea
- 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.)
- Ceased
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/62—Preparation of compounds containing amino groups bound to a carbon skeleton by cleaving carbon-to-nitrogen, sulfur-to-nitrogen, or phosphorus-to-nitrogen bonds, e.g. hydrolysis of amides, N-dealkylation of amines or quaternary ammonium compounds
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C3/00—Cyanogen; Compounds thereof
- C01C3/001—Preparation by decomposing nitrogen-containing organic compounds, e.g. molasse waste or urea
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT0163092A AT398749B (de) | 1992-08-13 | 1992-08-13 | Verfahren zur herstellung von isocyansäure durch zersetzen von n,n-disubstituierten harnstoffen |
| ATA1630/92 | 1992-08-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR940003928A true KR940003928A (ko) | 1994-03-14 |
Family
ID=3517573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019930015594A Ceased KR940003928A (ko) | 1992-08-13 | 1993-08-12 | N, n-이치환된 우레아를 분해시켜 이소시안산을 제조하는 방법 |
Country Status (8)
-
1993
- 1993-07-08 SK SK717-93A patent/SK71793A3/sk unknown
- 1993-07-20 ZA ZA935236A patent/ZA935236B/xx unknown
- 1993-07-21 DE DE59303834T patent/DE59303834D1/de not_active Expired - Fee Related
- 1993-07-21 AT AT93111623T patent/ATE142988T1/de active
- 1993-07-23 TW TW082105884A patent/TW278068B/zh active
- 1993-08-12 KR KR1019930015594A patent/KR940003928A/ko not_active Ceased
- 1993-08-12 MX MX9304899A patent/MX9304899A/es unknown
- 1993-08-13 SI SI9300429A patent/SI9300429A/sl unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE59303834D1 (de) | 1996-10-24 |
| TW278068B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1996-06-11 |
| SI9300429A (en) | 1995-04-30 |
| ZA935236B (en) | 1994-03-02 |
| ATE142988T1 (de) | 1996-10-15 |
| SK71793A3 (en) | 1994-06-08 |
| MX9304899A (es) | 1994-04-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19930812 |
|
| PG1501 | Laying open of application | ||
| A201 | Request for examination | ||
| PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 19980812 Comment text: Request for Examination of Application Patent event code: PA02011R01I Patent event date: 19930812 Comment text: Patent Application |
|
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20000612 Patent event code: PE09021S01D |
|
| E601 | Decision to refuse application | ||
| PE0601 | Decision on rejection of patent |
Patent event date: 20000928 Comment text: Decision to Refuse Application Patent event code: PE06012S01D Patent event date: 20000612 Comment text: Notification of reason for refusal Patent event code: PE06011S01I |