PT67823B - Process for preparing stilbenes actives as optical brighteners - Google Patents
Process for preparing stilbenes actives as optical brightenersInfo
- Publication number
- PT67823B PT67823B PT67823A PT6782378A PT67823B PT 67823 B PT67823 B PT 67823B PT 67823 A PT67823 A PT 67823A PT 6782378 A PT6782378 A PT 6782378A PT 67823 B PT67823 B PT 67823B
- Authority
- PT
- Portugal
- Prior art keywords
- stilbenes
- actives
- preparing
- optical brighteners
- brighteners
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 230000003287 optical effect Effects 0.000 title 1
- 150000001629 stilbenes Chemical class 0.000 title 1
- 235000021286 stilbenes Nutrition 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D519/00—Heterocyclic compounds containing more than one system of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring system not provided for in groups C07D453/00 or C07D455/00
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
- Plural Heterocyclic Compounds (AREA)
- Detergent Compositions (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19772712942 DE2712942A1 (de) | 1977-03-24 | 1977-03-24 | Stilbene, verfahren zu deren herstellung und deren verwendung als opttische aufheller |
Publications (2)
Publication Number | Publication Date |
---|---|
PT67823A PT67823A (en) | 1978-04-01 |
PT67823B true PT67823B (en) | 1979-12-19 |
Family
ID=6004531
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PT67823A PT67823B (en) | 1977-03-24 | 1978-03-23 | Process for preparing stilbenes actives as optical brighteners |
Country Status (16)
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6620529B1 (en) * | 1999-10-27 | 2003-09-16 | Fuji Photo Film Co., Ltd. | Materials for light emitting devices and light emitting devices using the same |
US6177574B1 (en) | 2000-03-02 | 2001-01-23 | Eastman Chemical Company | Preparation of mixtures of benzoxazolyl-stilbene compounds |
DE10121886A1 (de) * | 2001-05-05 | 2002-11-07 | Clariant Gmbh | Dispersionspulver enthaltend optische Aufheller, Verfahren zu deren Herstellung sowie deren Verwendung |
JP5342896B2 (ja) * | 2009-02-19 | 2013-11-13 | 富士フイルム株式会社 | ヘテロ環化合物 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3058989A (en) * | 1957-11-26 | 1962-10-16 | American Cyanamid Co | Pyridotriazole brighteners |
US3412089A (en) * | 1963-09-18 | 1968-11-19 | Sumitomo Chemical Co | Manufacture of 4, 4'-dibenzoxazol-2-yl stilbene |
US3928228A (en) * | 1969-04-28 | 1975-12-23 | Sterling Drug Inc | 4,4{40 -Stilbenebis-pyridooxazoles and related optical brighteners and polymeric compositions brightened thereby |
US3712888A (en) * | 1970-12-14 | 1973-01-23 | American Cyanamid Co | Bis-pyridoxazole-stilbene derivatives for optical brightening |
US3926969A (en) * | 1972-11-24 | 1975-12-16 | Sandoz Ltd | Triazole-bis(benzoxazole) optical brighteners |
CH187973A4 (de) * | 1973-02-09 | 1977-03-31 | Hoechst Ag | Verfahren zum optischen Aufhellen von Textilmaterialien |
-
1977
- 1977-03-24 DE DE19772712942 patent/DE2712942A1/de not_active Withdrawn
-
1978
- 1978-03-17 ES ES467971A patent/ES467971A1/es not_active Expired
- 1978-03-20 US US05/890,597 patent/US4197401A/en not_active Expired - Lifetime
- 1978-03-21 CH CH310778A patent/CH634706B/de unknown
- 1978-03-22 GB GB11420/78A patent/GB1596586A/en not_active Expired
- 1978-03-22 BR BR7801777A patent/BR7801777A/pt unknown
- 1978-03-22 AT AT202778A patent/AT358578B/de not_active IP Right Cessation
- 1978-03-22 PH PH20920A patent/PH14116A/en unknown
- 1978-03-22 IT IT21452/78A patent/IT1093906B/it active
- 1978-03-23 CA CA299,747A patent/CA1110242A/en not_active Expired
- 1978-03-23 PT PT67823A patent/PT67823B/pt unknown
- 1978-03-23 NL NL7803182A patent/NL7803182A/xx not_active Application Discontinuation
- 1978-03-23 SE SE7803403A patent/SE7803403L/xx unknown
- 1978-03-23 JP JP3248078A patent/JPS53119927A/ja active Pending
- 1978-03-24 BE BE186267A patent/BE865311A/xx unknown
- 1978-03-24 FR FR7808649A patent/FR2384777A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
CH634706B (de) | |
SE7803403L (sv) | 1978-09-25 |
DE2712942A1 (de) | 1978-10-05 |
BE865311A (fr) | 1978-09-25 |
ATA202778A (de) | 1980-02-15 |
NL7803182A (nl) | 1978-09-26 |
US4197401A (en) | 1980-04-08 |
PT67823A (en) | 1978-04-01 |
CA1110242A (en) | 1981-10-06 |
GB1596586A (en) | 1981-08-26 |
ES467971A1 (es) | 1978-12-01 |
IT1093906B (it) | 1985-07-26 |
FR2384777A1 (fr) | 1978-10-20 |
IT7821452A0 (it) | 1978-03-22 |
AT358578B (de) | 1980-09-25 |
BR7801777A (pt) | 1978-12-19 |
PH14116A (en) | 1981-02-26 |
CH634706GA3 (US06272168-20010807-M00014.png) | 1983-02-28 |
JPS53119927A (en) | 1978-10-19 |
FR2384777B1 (US06272168-20010807-M00014.png) | 1983-06-17 |
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