CH527210A - Verfahren zur Herstellung optischer Aufheller - Google Patents
Verfahren zur Herstellung optischer AufhellerInfo
- Publication number
- CH527210A CH527210A CH1659370A CH1659370A CH527210A CH 527210 A CH527210 A CH 527210A CH 1659370 A CH1659370 A CH 1659370A CH 1659370 A CH1659370 A CH 1659370A CH 527210 A CH527210 A CH 527210A
- Authority
- CH
- Switzerland
- Prior art keywords
- production
- optical brighteners
- brighteners
- optical
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D271/00—Heterocyclic compounds containing five-membered rings having two nitrogen atoms and one oxygen atom as the only ring hetero atoms
- C07D271/02—Heterocyclic compounds containing five-membered rings having two nitrogen atoms and one oxygen atom as the only ring hetero atoms not condensed with other rings
- C07D271/06—1,2,4-Oxadiazoles; Hydrogenated 1,2,4-oxadiazoles
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/35—Heterocyclic compounds having nitrogen in the ring having also oxygen in the ring
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19691958778 DE1958778A1 (de) | 1969-11-22 | 1969-11-22 | Optische Aufheller |
Publications (1)
Publication Number | Publication Date |
---|---|
CH527210A true CH527210A (de) | 1972-08-31 |
Family
ID=5751818
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1659370A CH527210A (de) | 1969-11-22 | 1970-11-09 | Verfahren zur Herstellung optischer Aufheller |
Country Status (4)
Country | Link |
---|---|
CH (1) | CH527210A (de) |
DE (1) | DE1958778A1 (de) |
FR (1) | FR2069777A5 (de) |
GB (1) | GB1321900A (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0006171B1 (de) * | 1978-06-09 | 1982-07-28 | Hoechst Aktiengesellschaft | Neue Stilbenverbindungen, Verfahren zu deren Herstellung und deren Verwendung als optische Aufheller |
-
1969
- 1969-11-22 DE DE19691958778 patent/DE1958778A1/de active Pending
-
1970
- 1970-11-09 CH CH1659370A patent/CH527210A/de not_active IP Right Cessation
- 1970-11-20 FR FR7041786A patent/FR2069777A5/fr not_active Expired
- 1970-11-20 GB GB5520670A patent/GB1321900A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE1958778A1 (de) | 1971-06-03 |
GB1321900A (en) | 1973-07-04 |
FR2069777A5 (de) | 1971-09-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |