FR1202931A - Nouveau procédé de préparation d'urées cycliques et d'urées polymères - Google Patents
Nouveau procédé de préparation d'urées cycliques et d'urées polymèresInfo
- Publication number
- FR1202931A FR1202931A FR1202931DA FR1202931A FR 1202931 A FR1202931 A FR 1202931A FR 1202931D A FR1202931D A FR 1202931DA FR 1202931 A FR1202931 A FR 1202931A
- Authority
- FR
- France
- Prior art keywords
- ureas
- polymer
- preparation
- new process
- cyclic
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
- C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
- C07D239/06—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D239/08—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with hetero atoms directly attached in position 2
- C07D239/10—Oxygen or sulfur atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D235/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings
- C07D235/02—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings condensed with carbocyclic rings or ring systems
- C07D235/04—Benzimidazoles; Hydrogenated benzimidazoles
- C07D235/24—Benzimidazoles; Hydrogenated benzimidazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 2
- C07D235/26—Oxygen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D243/00—Heterocyclic compounds containing seven-membered rings having two nitrogen atoms as the only ring hetero atoms
- C07D243/04—Heterocyclic compounds containing seven-membered rings having two nitrogen atoms as the only ring hetero atoms having the nitrogen atoms in positions 1 and 3
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D245/00—Heterocyclic compounds containing rings of more than seven members having two nitrogen atoms as the only ring hetero atoms
- C07D245/02—Heterocyclic compounds containing rings of more than seven members having two nitrogen atoms as the only ring hetero atoms not condensed with other rings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/02—Polyureas
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Polyamides (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US646582A US2874149A (en) | 1957-03-18 | 1957-03-18 | Ureas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1202931A true FR1202931A (fr) | 1960-01-14 |
Family
ID=24593607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1202931D Expired FR1202931A (fr) | 1957-03-18 | 1958-03-17 | Nouveau procédé de préparation d'urées cycliques et d'urées polymères |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2874149A (fr) |
| FR (1) | FR1202931A (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2485012A1 (fr) * | 1980-06-23 | 1981-12-24 | Osaka Municipal Government | Procede pour la fabrication de benzimidazolones |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3054777A (en) * | 1958-05-16 | 1962-09-18 | Toyo Koatsu Ind Inc | Linear polyureas |
| NL249777A (fr) * | 1959-03-24 | |||
| US3235333A (en) * | 1961-03-07 | 1966-02-15 | Standard Oil Co | Process for producing carbonylsulfide |
| BE632989A (fr) * | 1962-05-30 | |||
| US4292286A (en) * | 1978-12-22 | 1981-09-29 | Exxon Research & Engineering Co. | Process for selective removal of cyclic urea from hindered amine gas treating solution |
| US4180548A (en) * | 1978-12-22 | 1979-12-25 | Exxon Research & Engineering Co. | Process for selective removal of cyclic urea from hindered amine gas treating solution |
| US4409362A (en) * | 1982-05-12 | 1983-10-11 | Carrier Corporation | Resin-oil shale composite reaction product |
| CN117126109B (zh) * | 2023-10-26 | 2024-03-15 | 中南大学 | 一种甲醛去除剂、及其制备方法和应用 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2820024A (en) * | 1949-03-12 | 1958-01-14 | Tno | Preparation of linear poly-ureas |
| GB679671A (en) * | 1949-03-12 | 1952-09-24 | Tno | Linear polyurea derivatives |
| US2615025A (en) * | 1951-10-18 | 1952-10-21 | Olin Mathieson | Process for the preparation of ethylene urea |
-
1957
- 1957-03-18 US US646582A patent/US2874149A/en not_active Expired - Lifetime
-
1958
- 1958-03-17 FR FR1202931D patent/FR1202931A/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2485012A1 (fr) * | 1980-06-23 | 1981-12-24 | Osaka Municipal Government | Procede pour la fabrication de benzimidazolones |
Also Published As
| Publication number | Publication date |
|---|---|
| US2874149A (en) | 1959-02-17 |
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