DD107444A1 - - Google Patents
Info
- Publication number
- DD107444A1 DD107444A1 DD172251A DD17225173A DD107444A1 DD 107444 A1 DD107444 A1 DD 107444A1 DD 172251 A DD172251 A DD 172251A DD 17225173 A DD17225173 A DD 17225173A DD 107444 A1 DD107444 A1 DD 107444A1
- Authority
- DD
- German Democratic Republic
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C277/00—Preparation of guanidine or its derivatives, i.e. compounds containing the group, the singly-bound nitrogen atoms not being part of nitro or nitroso groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C279/00—Derivatives of guanidine, i.e. compounds containing the group, the singly-bound nitrogen atoms not being part of nitro or nitroso groups
- C07C279/20—Derivatives of guanidine, i.e. compounds containing the group, the singly-bound nitrogen atoms not being part of nitro or nitroso groups containing any of the groups, X being a hetero atom, Y being any atom, e.g. acylguanidines
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2234732A DE2234732C2 (de) | 1972-07-14 | 1972-07-14 | Verfahren zur Gewinnung von Guanidin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD107444A1 true DD107444A1 (de) | 1974-08-05 |
Family
ID=5850684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD172251A DD107444A1 (de) | 1972-07-14 | 1973-07-12 |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US3952057A (de) |
| JP (1) | JPS516651B2 (de) |
| BE (1) | BE802357A (de) |
| BG (1) | BG20574A3 (de) |
| CA (1) | CA977774A (de) |
| CH (1) | CH581098A5 (de) |
| CS (1) | CS161072B2 (de) |
| DD (1) | DD107444A1 (de) |
| DE (1) | DE2234732C2 (de) |
| FR (1) | FR2193009B1 (de) |
| GB (1) | GB1439808A (de) |
| IT (1) | IT991712B (de) |
| NL (1) | NL176258C (de) |
| RO (1) | RO61199A (de) |
| SE (1) | SE402453B (de) |
| SU (1) | SU468404A3 (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2435167C3 (de) * | 1974-07-22 | 1979-02-15 | Lentia Gmbh | Verfahren zur Gewinnung von Guanidincarbonat aus verdünnten, wäßrigen Lösungen |
| JPS585904B2 (ja) * | 1977-04-05 | 1983-02-02 | 三井東圧化学株式会社 | グアニジン及びその塩類の製造方法 |
| JPS5912789U (ja) * | 1982-07-19 | 1984-01-26 | 株式会社昭和製作所 | 二輪車のピストン型フロントフオ−クの内管案内部材 |
| DE4405546A1 (de) * | 1994-02-22 | 1995-08-24 | Nigu Chemie Gmbh | Verfahren zur Rückgewinnung von Guanidinsalzen |
| US20050029194A1 (en) * | 2003-08-07 | 2005-02-10 | Hall David Bruce | Method for removal of guanidine compound from aqueous media |
| EP3626706B1 (de) * | 2018-09-20 | 2021-06-02 | Borealis Agrolinz Melamine GmbH | Verfahren zur erhöhung der guanidincarbonatausbeute in einem kombinierten melaminverfahren und guanidincarbonatbehandlungsverfahren |
| EP3750872B1 (de) * | 2019-06-14 | 2023-06-07 | Borealis Agrolinz Melamine GmbH | Erhöhung der guanidincarbonatausbeute durch reduzierung der mutterlaugenentsorgung und qualitätsverbesserung durch erhöhung der temperaturspreizung |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2224253A (en) * | 1939-03-20 | 1940-12-10 | Frank H Clark | Dress shield supporter |
| US2826613A (en) * | 1953-07-11 | 1958-03-11 | Grosskinsky Otto | Recovery of solid guanidine carbonate |
| FR1167461A (fr) * | 1953-07-11 | 1958-11-25 | Bergwerksverband Gmbh | Procédé d'obtention du carbonate de guanidine |
-
1972
- 1972-07-14 DE DE2234732A patent/DE2234732C2/de not_active Expired
-
1973
- 1973-05-29 CH CH772173A patent/CH581098A5/xx not_active IP Right Cessation
- 1973-05-31 CS CS3957A patent/CS161072B2/cs unknown
- 1973-06-06 BG BG023810A patent/BG20574A3/xx unknown
- 1973-06-20 GB GB2941273A patent/GB1439808A/en not_active Expired
- 1973-06-21 FR FR7322659A patent/FR2193009B1/fr not_active Expired
- 1973-07-03 US US05/376,176 patent/US3952057A/en not_active Expired - Lifetime
- 1973-07-04 CA CA175,632A patent/CA977774A/en not_active Expired
- 1973-07-09 NL NLAANVRAGE7309556,A patent/NL176258C/xx not_active IP Right Cessation
- 1973-07-10 IT IT69062/73A patent/IT991712B/it active
- 1973-07-11 SE SE7309732A patent/SE402453B/xx unknown
- 1973-07-12 JP JP48077964A patent/JPS516651B2/ja not_active Expired
- 1973-07-12 DD DD172251A patent/DD107444A1/xx unknown
- 1973-07-13 SU SU1949194A patent/SU468404A3/ru active
- 1973-07-13 BE BE133497A patent/BE802357A/xx not_active IP Right Cessation
- 1973-07-14 RO RO75471A patent/RO61199A/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BG20574A3 (bg) | 1975-12-05 |
| SE402453B (sv) | 1978-07-03 |
| DE2234732C2 (de) | 1983-05-05 |
| NL176258C (nl) | 1985-03-18 |
| US3952057A (en) | 1976-04-20 |
| CA977774A (en) | 1975-11-11 |
| CS161072B2 (de) | 1975-05-04 |
| JPS4951225A (de) | 1974-05-18 |
| FR2193009A1 (de) | 1974-02-15 |
| IT991712B (it) | 1975-08-30 |
| DE2234732A1 (de) | 1974-01-31 |
| NL176258B (nl) | 1984-10-16 |
| JPS516651B2 (de) | 1976-03-01 |
| SU468404A3 (ru) | 1975-04-25 |
| RO61199A (de) | 1976-11-15 |
| GB1439808A (en) | 1976-06-16 |
| NL7309556A (de) | 1974-01-16 |
| BE802357A (fr) | 1974-01-14 |
| CH581098A5 (de) | 1976-10-29 |
| FR2193009B1 (de) | 1977-02-18 |