GB1173261A - Improvements in or relating to the Production of Urea-N,N'-Dicarboxylic Acids, and the Compounds thus Produced - Google Patents
Improvements in or relating to the Production of Urea-N,N'-Dicarboxylic Acids, and the Compounds thus ProducedInfo
- Publication number
- GB1173261A GB1173261A GB07133/68A GB1713368A GB1173261A GB 1173261 A GB1173261 A GB 1173261A GB 07133/68 A GB07133/68 A GB 07133/68A GB 1713368 A GB1713368 A GB 1713368A GB 1173261 A GB1173261 A GB 1173261A
- Authority
- GB
- United Kingdom
- Prior art keywords
- urea
- dicarboxylic acids
- acid
- relating
- compounds
- 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
Links
- 150000001875 compounds Chemical class 0.000 title 1
- KXDHJXZQYSOELW-UHFFFAOYSA-N Carbamic acid Chemical compound NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 abstract 2
- 150000003951 lactams Chemical class 0.000 abstract 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 abstract 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 239000004202 carbamide Substances 0.000 abstract 1
- JJWKPURADFRFRB-UHFFFAOYSA-N carbonyl sulfide Chemical compound O=C=S JJWKPURADFRFRB-UHFFFAOYSA-N 0.000 abstract 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
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
- C07C273/18—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 substituted ureas
- C07C273/1809—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 substituted ureas with formation of the N-C(O)-N moiety
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polyamides (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES0109278 | 1967-04-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1173261A true GB1173261A (en) | 1969-12-03 |
Family
ID=7529398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB07133/68A Expired GB1173261A (en) | 1967-04-11 | 1968-04-10 | Improvements in or relating to the Production of Urea-N,N'-Dicarboxylic Acids, and the Compounds thus Produced |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3591631A (enExample) |
| BE (1) | BE713487A (enExample) |
| CH (1) | CH495337A (enExample) |
| DE (1) | DE1618873A1 (enExample) |
| FR (1) | FR1559512A (enExample) |
| GB (1) | GB1173261A (enExample) |
| NL (1) | NL6805138A (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3193105A (en) * | 1961-02-06 | 1965-07-06 | Improved Machinery Inc | Continuous disc filter |
-
1967
- 1967-04-11 DE DE19671618873 patent/DE1618873A1/de active Pending
-
1968
- 1968-04-05 CH CH505968A patent/CH495337A/de not_active IP Right Cessation
- 1968-04-10 BE BE713487D patent/BE713487A/xx unknown
- 1968-04-10 US US720361A patent/US3591631A/en not_active Expired - Lifetime
- 1968-04-10 GB GB07133/68A patent/GB1173261A/en not_active Expired
- 1968-04-10 NL NL6805138A patent/NL6805138A/xx unknown
- 1968-04-10 FR FR1559512D patent/FR1559512A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE713487A (enExample) | 1968-08-16 |
| US3591631A (en) | 1971-07-06 |
| CH495337A (de) | 1970-08-31 |
| DE1618873A1 (de) | 1971-04-15 |
| FR1559512A (enExample) | 1969-03-07 |
| NL6805138A (enExample) | 1968-10-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLE | Entries relating assignments, transmissions, licences in the register of patents | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |