DE217944C - - Google Patents
Info
- Publication number
- DE217944C DE217944C DENDAT217944D DE217944DA DE217944C DE 217944 C DE217944 C DE 217944C DE NDAT217944 D DENDAT217944 D DE NDAT217944D DE 217944D A DE217944D A DE 217944DA DE 217944 C DE217944 C DE 217944C
- Authority
- DE
- Germany
- Prior art keywords
- formaldehyde
- polymerized
- solution
- solutions
- preparation
- 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.)
- Active
Links
- WSFSSNUMVMOOMR-UHFFFAOYSA-N formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims 6
- 239000008098 formaldehyde solution Substances 0.000 claims 2
- 150000003839 salts Chemical class 0.000 claims 1
- 239000011780 sodium chloride Substances 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/51—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
- C07C45/55—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition of oligo- or polymeric oxo-compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Treating Waste Gases (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
BERLIN. GEDRUCKT IN DER REICHSDRUCKEREI.
Claims (1)
- Patent-Anspruch:Verfahren zur Darstellung von gasförmigem Formaldehyd aus Formaldehydlösung oder polymerisiertem Formaldehyd, dadurch gekennzeichnet, daß man feste unterchlorigsaure Salze oder deren Lösung auf Formaldehydlösung oder polymerisierten Formaldehyd einwirken läßt.4045505560
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE217944C true DE217944C (de) |
Family
ID=479214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT217944D Active DE217944C (de) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE217944C (de) |
-
0
- DE DENDAT217944D patent/DE217944C/de active Active
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