FR2457855B1 - - Google Patents
Info
- Publication number
- FR2457855B1 FR2457855B1 FR7913637A FR7913637A FR2457855B1 FR 2457855 B1 FR2457855 B1 FR 2457855B1 FR 7913637 A FR7913637 A FR 7913637A FR 7913637 A FR7913637 A FR 7913637A FR 2457855 B1 FR2457855 B1 FR 2457855B1
- Authority
- FR
- France
- 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
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
- C08G18/78—Nitrogen
- C08G18/7806—Nitrogen containing -N-C=0 groups
- C08G18/7818—Nitrogen containing -N-C=0 groups containing ureum or ureum derivative groups
- C08G18/7831—Nitrogen containing -N-C=0 groups containing ureum or ureum derivative groups containing biuret groups
-
- 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
- C07C273/1872—Preparation of compounds comprising a -N-C(O)-N-C(O)-N- moiety
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Polyurethanes Or Polyureas (AREA)
- Paints Or Removers (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7913637A FR2457855A1 (fr) | 1979-05-29 | 1979-05-29 | Procede de preparation des polyisocyanates ayant la structure du biuret |
| NL7904323A NL173166C (nl) | 1979-05-29 | 1979-06-01 | Werkwijze voor het bereiden van polyisocyanaten met een biureetstructuur. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7913637A FR2457855A1 (fr) | 1979-05-29 | 1979-05-29 | Procede de preparation des polyisocyanates ayant la structure du biuret |
| NL7904323A NL173166C (nl) | 1979-05-29 | 1979-06-01 | Werkwijze voor het bereiden van polyisocyanaten met een biureetstructuur. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2457855A1 FR2457855A1 (fr) | 1980-12-26 |
| FR2457855B1 true FR2457855B1 (enExample) | 1983-10-14 |
Family
ID=26221184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7913637A Granted FR2457855A1 (fr) | 1979-05-29 | 1979-05-29 | Procede de preparation des polyisocyanates ayant la structure du biuret |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR2457855A1 (enExample) |
| NL (1) | NL173166C (enExample) |
-
1979
- 1979-05-29 FR FR7913637A patent/FR2457855A1/fr active Granted
- 1979-06-01 NL NL7904323A patent/NL173166C/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| NL173166C (nl) | 1983-12-16 |
| NL7904323A (nl) | 1980-12-03 |
| FR2457855A1 (fr) | 1980-12-26 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |