DE223969C - - Google Patents
Info
- Publication number
- DE223969C DE223969C DENDAT223969D DE223969DA DE223969C DE 223969 C DE223969 C DE 223969C DE NDAT223969 D DENDAT223969 D DE NDAT223969D DE 223969D A DE223969D A DE 223969DA DE 223969 C DE223969 C DE 223969C
- Authority
- DE
- Germany
- Prior art keywords
- phenolphthalein
- prepare
- act
- modification
- alcoholate
- 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
- KJFMBFZCATUALV-UHFFFAOYSA-N phenolphthalein Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2C(=O)O1 KJFMBFZCATUALV-UHFFFAOYSA-N 0.000 claims 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims 1
- 229910052791 calcium Inorganic materials 0.000 claims 1
- 239000011575 calcium Substances 0.000 claims 1
- 159000000007 calcium salts Chemical class 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 230000004048 modification Effects 0.000 claims 1
- 238000012986 modification Methods 0.000 claims 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/87—Benzo [c] furans; Hydrogenated benzo [c] furans
- C07D307/88—Benzo [c] furans; Hydrogenated benzo [c] furans with one oxygen atom directly attached in position 1 or 3
- C07D307/885—3,3-Diphenylphthalides
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE223969C true DE223969C (enrdf_load_stackoverflow) |
Family
ID=484739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT223969D Active DE223969C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE223969C (enrdf_load_stackoverflow) |
-
0
- DE DENDAT223969D patent/DE223969C/de active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE223969C (enrdf_load_stackoverflow) | ||
| US2127879A (en) | Textile or the like pestproofing medium and use | |
| DE2114544A1 (de) | Verfahren zur Herstellung von Carbonsäuren oder Estern | |
| ES449156A1 (es) | Procedimiento para la preparacion de nuevas composiciones a-cuosas de revestimiento. | |
| GB1345930A (en) | Glassy zinc a-hydroxy diphosphonic acid products and their use as corrosion and scale inhibitors | |
| GB1471041A (en) | Bis-sulphonamidocarboxyclic acids and salts thereof and use of the salts as metal-working agents | |
| DE215008C (enrdf_load_stackoverflow) | ||
| DE230308C (enrdf_load_stackoverflow) | ||
| DE255673C (enrdf_load_stackoverflow) | ||
| DE255672C (enrdf_load_stackoverflow) | ||
| DE200149C (enrdf_load_stackoverflow) | ||
| DE201232C (enrdf_load_stackoverflow) | ||
| DE285614C (enrdf_load_stackoverflow) | ||
| DE181124C (enrdf_load_stackoverflow) | ||
| DE681849C (de) | Verfahren zur Herstellung von Dialkylaminoalkylarylketonen | |
| DE199662C (enrdf_load_stackoverflow) | ||
| DE269887C (enrdf_load_stackoverflow) | ||
| DE266578C (enrdf_load_stackoverflow) | ||
| DE260812C (enrdf_load_stackoverflow) | ||
| DE186214C (enrdf_load_stackoverflow) | ||
| DE875947C (de) | Herstellung von N-substituierten 1, 5-Diphenyl-3-aminopentanen | |
| DE196152C (enrdf_load_stackoverflow) | ||
| DE77392C (de) | Fällung von Gold aus Cyanidlösungen durch Aluminium | |
| DE68218C (de) | Verfahren, lithographische Steine und Zinkplatten durch Abwaschen wieder verwendbar zu machen | |
| DE291759C (enrdf_load_stackoverflow) |