5-arylotriazolyl-2-styryl-benzotriazoles
Abstract
Abstract THE INVENTION INVOLVES NEW 5-ARYLOTRIAZOLYL 2-STYRYL BENZOTRIAZOLES OF THE FORMULA 2-((R-PHENYL)-CH=CH-),5-(4,5-(-A-)BENZOTRIAZOL-2-YL)- BENZOTRIAZOLE WHICH ARE USEFUL AS OPTICAL BRIGHTENING AGENTS. IN THE FORMULA R IS HYDROGEN, ALKYL, ALKOXY, CARBALKOXY, ACYLAMINO, ALKYL SULPHONYL, CARBOXY, CN, AN AMMONIUM GROUP A HYDRAZINIUM GROUP OR HALO, AND A STANDS FOR THE RESIDUAL MEMBERS OF A MONO- OR POLYNUCLEAR AROMATIC-CARBOCYCLIC RING SYSTEM WHICH IS CONDENSED AS INDICATED WITH THE HETEROCYCLIC RING AND WHICH MAY CONTAIN FURTHER SUBSTITUTENTS, WHEREAS N DENOTES THE NUMBERS 1-3. THE VARIOUS R SUBSTITUENT GROUPS MAY THEMSELVES BE FURTHER SUBSTITUTED, THE PREFERRED SUBSTITUENTS ON THE ALKYL GROUPS BEING OH, CN, HALO, ALKOXY, CARBALKOXYL AND CARBOXYL GROUPS.
Inventors
- 👤 Carl-Wolfgang Schellhammer
- 👤 Wolf-Dieter Wirth
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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| 3.5 Years (Year 4) | 1974-07-26 | 1975-01-25 | 1975-07-27 | $2000.00 | Window Closed / Lapsed |
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