DE189836C - - Google Patents
Info
- Publication number
- DE189836C DE189836C DENDAT189836D DE189836DA DE189836C DE 189836 C DE189836 C DE 189836C DE NDAT189836 D DENDAT189836 D DE NDAT189836D DE 189836D A DE189836D A DE 189836DA DE 189836 C DE189836 C DE 189836C
- Authority
- DE
- Germany
- Prior art keywords
- cellulose
- formic acid
- saying
- treated
- production
- 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
- BDAGIHXWWSANSR-UHFFFAOYSA-N Formic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims 2
- 229920002678 cellulose Polymers 0.000 claims 2
- 239000001913 cellulose Substances 0.000 claims 2
- 235000019253 formic acid Nutrition 0.000 claims 2
- -1 formic acid ester Chemical class 0.000 claims 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B3/00—Preparation of cellulose esters of organic acids
- C08B3/04—Cellulose formate
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Description
45
55
60
BERLIN. GEDRUCKT IN DER REICHSDRUCKEREI.
Claims (1)
- Patent-An Spruch:Verfahren zur Herstellung des Ameisensäureesters der Cellulose, dadurch gekennzeichnet, daß Cellulose bei Gegenwart von Schwefelsäure mit Ameisensäure behandelt wird.40
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE189836C true DE189836C (de) |
Family
ID=453349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT189836D Active DE189836C (de) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE189836C (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE748727C (de) * | 1936-05-11 | 1944-11-09 | Verfahren zur Herstellung von Formgebilden aus Cellulose-Formylierungsgemischen |
-
0
- DE DENDAT189836D patent/DE189836C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE748727C (de) * | 1936-05-11 | 1944-11-09 | Verfahren zur Herstellung von Formgebilden aus Cellulose-Formylierungsgemischen |
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