CN1241910C - 制备尿素的方法 - Google Patents
制备尿素的方法 Download PDFInfo
- Publication number
- CN1241910C CN1241910C CNB028194551A CN02819455A CN1241910C CN 1241910 C CN1241910 C CN 1241910C CN B028194551 A CNB028194551 A CN B028194551A CN 02819455 A CN02819455 A CN 02819455A CN 1241910 C CN1241910 C CN 1241910C
- Authority
- CN
- China
- Prior art keywords
- condenser
- scrubber
- submerged
- stripper
- inlet
- 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 - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
- C07C273/04—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds from carbon dioxide and ammonia
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (10)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL1019080 | 2001-10-01 | ||
NL1019080A NL1019080C2 (nl) | 2001-10-01 | 2001-10-01 | Werkwijze voor de bereiding van ureum. |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1561329A CN1561329A (zh) | 2005-01-05 |
CN1241910C true CN1241910C (zh) | 2006-02-15 |
Family
ID=19774102
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB028194551A Expired - Fee Related CN1241910C (zh) | 2001-10-01 | 2002-09-26 | 制备尿素的方法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US6881862B2 (zh) |
CN (1) | CN1241910C (zh) |
BR (1) | BR0213006B1 (zh) |
CA (1) | CA2462288C (zh) |
EA (1) | EA005602B1 (zh) |
NL (1) | NL1019080C2 (zh) |
UA (1) | UA79596C2 (zh) |
WO (1) | WO2003029197A1 (zh) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1036787B1 (en) * | 1999-03-16 | 2003-06-04 | Urea Casale S.A. | Method for modernizing a urea production plant |
-
2001
- 2001-10-01 NL NL1019080A patent/NL1019080C2/nl not_active IP Right Cessation
-
2002
- 2002-09-26 UA UA2004032412A patent/UA79596C2/uk unknown
- 2002-09-26 EA EA200400502A patent/EA005602B1/ru not_active IP Right Cessation
- 2002-09-26 WO PCT/NL2002/000627 patent/WO2003029197A1/en not_active Application Discontinuation
- 2002-09-26 CA CA2462288A patent/CA2462288C/en not_active Expired - Fee Related
- 2002-09-26 BR BRPI0213006-8A patent/BR0213006B1/pt not_active IP Right Cessation
- 2002-09-26 CN CNB028194551A patent/CN1241910C/zh not_active Expired - Fee Related
- 2002-09-26 US US10/488,969 patent/US6881862B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2462288C (en) | 2011-05-24 |
CA2462288A1 (en) | 2003-04-10 |
EA005602B1 (ru) | 2005-04-28 |
BR0213006A (pt) | 2004-10-05 |
WO2003029197A1 (en) | 2003-04-10 |
UA79596C2 (uk) | 2007-07-10 |
US6881862B2 (en) | 2005-04-19 |
BR0213006B1 (pt) | 2012-12-25 |
US20050004397A1 (en) | 2005-01-06 |
CN1561329A (zh) | 2005-01-05 |
EA200400502A1 (ru) | 2004-08-26 |
NL1019080C2 (nl) | 2003-04-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: STAMICARBON CO., LTD. Free format text: FORMER OWNER: DSM IP PROPERTY CO., LTD. Effective date: 20110105 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: HEERLEN, HOLLAND TO: SITTARD, HOLLAND |
|
TR01 | Transfer of patent right |
Effective date of registration: 20110105 Address after: Holland Stadium Patentee after: DSM IP Assets BV Address before: Holland Heerlen Patentee before: DSM IP Property Limited |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060215 Termination date: 20170926 |