FR1159273A - Agents d'éclaircissement - Google Patents
Agents d'éclaircissementInfo
- Publication number
- FR1159273A FR1159273A FR1159273DA FR1159273A FR 1159273 A FR1159273 A FR 1159273A FR 1159273D A FR1159273D A FR 1159273DA FR 1159273 A FR1159273 A FR 1159273A
- Authority
- FR
- France
- Prior art keywords
- brightening agents
- brightening
- agents
- 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.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
- C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D311/78—Ring systems having three or more relevant rings
- C07D311/92—Naphthopyrans; Hydrogenated naphthopyrans
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1159273X | 1955-09-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1159273A true FR1159273A (fr) | 1958-06-25 |
Family
ID=7728224
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1159273D Expired FR1159273A (fr) | 1955-09-28 | 1956-09-25 | Agents d'éclaircissement |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1159273A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1222014B (de) * | 1960-02-05 | 1966-08-04 | Ciba Geigy | Verwendung von Cumarinderivaten als optische Aufheller |
-
1956
- 1956-09-25 FR FR1159273D patent/FR1159273A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1222014B (de) * | 1960-02-05 | 1966-08-04 | Ciba Geigy | Verwendung von Cumarinderivaten als optische Aufheller |
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