AT260278B - Verfahren zum Absorbieren von gasförmigen Formaldehyd zu konzentrierten Lösungen - Google Patents
Verfahren zum Absorbieren von gasförmigen Formaldehyd zu konzentrierten LösungenInfo
- Publication number
- AT260278B AT260278B AT713666A AT713666A AT260278B AT 260278 B AT260278 B AT 260278B AT 713666 A AT713666 A AT 713666A AT 713666 A AT713666 A AT 713666A AT 260278 B AT260278 B AT 260278B
- Authority
- AT
- Austria
- Prior art keywords
- concentrated solutions
- gaseous formaldehyde
- absorbing gaseous
- absorbing
- formaldehyde
- Prior art date
Links
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title 3
Classifications
-
- 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
- C07C273/02—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 urea, its salts, complexes or addition compounds
- C07C273/025—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 urea, its salts, complexes or addition compounds of solutions of urea and formaldehyde
-
- 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
- C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
- C08G12/04—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
- C08G12/10—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with acyclic compounds having the moiety X=C(—N<)2 in which X is O, S or —N
- C08G12/12—Ureas; Thioureas
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Phenolic Resins Or Amino Resins (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT1549957 | 1957-10-30 | ||
| IT740165 | 1965-07-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT260278B true AT260278B (de) | 1968-02-26 |
Family
ID=30002067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT713666A AT260278B (de) | 1957-10-30 | 1966-07-26 | Verfahren zum Absorbieren von gasförmigen Formaldehyd zu konzentrierten Lösungen |
Country Status (1)
| Country | Link |
|---|---|
| AT (1) | AT260278B (de) |
-
1966
- 1966-07-26 AT AT713666A patent/AT260278B/de active
Also Published As
| Publication number | Publication date |
|---|---|
| DE1593053B1 (de) | 1973-05-10 |
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