FR1491645A - Procédé de préparation d'isocyanates - Google Patents
Procédé de préparation d'isocyanatesInfo
- Publication number
- FR1491645A FR1491645A FR74289A FR74289A FR1491645A FR 1491645 A FR1491645 A FR 1491645A FR 74289 A FR74289 A FR 74289A FR 74289 A FR74289 A FR 74289A FR 1491645 A FR1491645 A FR 1491645A
- Authority
- FR
- France
- Prior art keywords
- preparing isocyanates
- isocyanates
- preparing
- 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
- 239000012948 isocyanate Substances 0.000 title 1
- 150000002513 isocyanates Chemical class 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C263/00—Preparation of derivatives of isocyanic acid
- C07C263/12—Preparation of derivatives of isocyanic acid from or via nitrogen analogues of carboxylic acids, e.g. from hydroxamic acids, involving a Hofmann, Curtius or Lossen-type rearrangement
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D207/46—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with hetero atoms directly attached to the ring nitrogen atom
- C07D207/50—Nitrogen atoms
-
- 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
- C08G18/701—Compounds forming isocyanates or isothiocyanates in situ
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/06—Systems containing only non-condensed rings with a five-membered ring
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR74289A FR1491645A (fr) | 1965-08-26 | 1966-08-26 | Procédé de préparation d'isocyanates |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US48294165A | 1965-08-26 | 1965-08-26 | |
FR74289A FR1491645A (fr) | 1965-08-26 | 1966-08-26 | Procédé de préparation d'isocyanates |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1491645A true FR1491645A (fr) | 1967-08-11 |
Family
ID=26172783
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR74289A Expired FR1491645A (fr) | 1965-08-26 | 1966-08-26 | Procédé de préparation d'isocyanates |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1491645A (fr) |
-
1966
- 1966-08-26 FR FR74289A patent/FR1491645A/fr not_active Expired
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