DE186263C - - Google Patents
Info
- Publication number
- DE186263C DE186263C DENDAT186263D DE186263DC DE186263C DE 186263 C DE186263 C DE 186263C DE NDAT186263 D DENDAT186263 D DE NDAT186263D DE 186263D C DE186263D C DE 186263DC DE 186263 C DE186263 C DE 186263C
- Authority
- DE
- Germany
- Prior art keywords
- wood tar
- formaldehyde
- condensation
- bezw
- polymeric
- 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
- 239000011276 wood tar Substances 0.000 claims 2
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 230000005494 condensation Effects 0.000 claims 1
- 238000009833 condensation Methods 0.000 claims 1
- 239000007859 condensation product Substances 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07G—COMPOUNDS OF UNKNOWN CONSTITUTION
- C07G99/00—Subject matter not provided for in other groups of this subclass
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Description
BERLIN. GEDRUCKT IN DER REICHSDRUCKEREI.
Claims (1)
- Patent-Anspruch:Eine Ausführungsform des durch Patent 184269 geschützten Verfahrens zur Darstellung eines Kondensationsprodukts aus Formaldehyd und Holzteer, darin bestehend, daß man ein Gemenge von Holzteer und polymerem bezw. gewöhnlichem Formaldehyd unter vermindertem Druck ohne Anwendung von Kondensationsmitteln erhitzt."
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE186263C true DE186263C (de) |
Family
ID=450037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT186263D Active DE186263C (de) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE186263C (de) |
-
0
- DE DENDAT186263D patent/DE186263C/de active Active
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