DE255673C - - Google Patents
Info
- Publication number
- DE255673C DE255673C DENDAT255673D DE255673DA DE255673C DE 255673 C DE255673 C DE 255673C DE NDAT255673 D DENDAT255673 D DE NDAT255673D DE 255673D A DE255673D A DE 255673DA DE 255673 C DE255673 C DE 255673C
- Authority
- DE
- Germany
- Prior art keywords
- acetylsalicylic acid
- patented
- alcohols
- exposure
- solvent
- 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
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims 2
- 159000000007 calcium salts Chemical class 0.000 claims 2
- BSYNRYMUTXBXSQ-FOQJRBATSA-N 59096-14-9 Chemical compound CC(=O)OC1=CC=CC=C1[14C](O)=O BSYNRYMUTXBXSQ-FOQJRBATSA-N 0.000 claims 1
- BSYNRYMUTXBXSQ-UHFFFAOYSA-N Aspirin Chemical compound CC(=O)OC1=CC=CC=C1C(O)=O BSYNRYMUTXBXSQ-UHFFFAOYSA-N 0.000 claims 1
- 229960001138 acetylsalicylic acid Drugs 0.000 claims 1
- 150000001298 alcohols Chemical class 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 238000012986 modification Methods 0.000 claims 1
- 230000004048 modification Effects 0.000 claims 1
- 150000007524 organic acids Chemical class 0.000 claims 1
- 235000005985 organic acids Nutrition 0.000 claims 1
- 239000002904 solvent Substances 0.000 claims 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/76—Esters of carboxylic acids having a carboxyl group bound to a carbon atom of a six-membered aromatic ring
- C07C69/84—Esters of carboxylic acids having a carboxyl group bound to a carbon atom of a six-membered aromatic ring of monocyclic hydroxy carboxylic acids, the hydroxy groups and the carboxyl groups of which are bound to carbon atoms of a six-membered aromatic ring
- C07C69/86—Esters of carboxylic acids having a carboxyl group bound to a carbon atom of a six-membered aromatic ring of monocyclic hydroxy carboxylic acids, the hydroxy groups and the carboxyl groups of which are bound to carbon atoms of a six-membered aromatic ring with esterified hydroxyl groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
BERLIN. GEDRUCKT IN DER REICHSDRUCKEREi.
Claims (1)
- Patent-Anspruch :Abänderung des durch Patent 253924 geschützten Verfahrens zur Darstellung des Calciumsalzes der Acetylsalicylsäure, darin bestehend, daß man hier bei der Einwirkung von Calciumsalzen organischer Säuren auf freie Acetylsalicylsäure an Stelle von Alkoholen Aceton als Lösungsmittel verwendet.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE255673C true DE255673C (de) |
Family
ID=513755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT255673D Active DE255673C (de) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE255673C (de) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6638330B1 (en) | 1999-12-15 | 2003-10-28 | Bmc S.R.L. | Device for filtering the intake air of internal combustion engines |
| US11554340B2 (en) | 2018-02-13 | 2023-01-17 | Camfil Apc Gmbh | Filter cartridge comprising a flow guiding device protruding from a filter element, filter system and method for cleaning a filter cartridge |
-
0
- DE DENDAT255673D patent/DE255673C/de active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6638330B1 (en) | 1999-12-15 | 2003-10-28 | Bmc S.R.L. | Device for filtering the intake air of internal combustion engines |
| US11554340B2 (en) | 2018-02-13 | 2023-01-17 | Camfil Apc Gmbh | Filter cartridge comprising a flow guiding device protruding from a filter element, filter system and method for cleaning a filter cartridge |
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