IT1035994B - Stilbene cpds. used as optical brightening agents - esp. in washing baths for cellulose and polyamide fibres - Google Patents

Stilbene cpds. used as optical brightening agents - esp. in washing baths for cellulose and polyamide fibres

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Publication number
IT1035994B
IT1035994B IT4999075A IT4999075A IT1035994B IT 1035994 B IT1035994 B IT 1035994B IT 4999075 A IT4999075 A IT 4999075A IT 4999075 A IT4999075 A IT 4999075A IT 1035994 B IT1035994 B IT 1035994B
Authority
IT
Italy
Prior art keywords
cpds
esp
stilbene
alkoxy
phenyl
Prior art date
Application number
IT4999075A
Other languages
Italian (it)
Original Assignee
Ciba Geigy Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from CH803574A external-priority patent/CH593316A5/en
Priority claimed from CH570575A external-priority patent/CH621227GA3/en
Application filed by Ciba Geigy Ag filed Critical Ciba Geigy Ag
Application granted granted Critical
Publication of IT1035994B publication Critical patent/IT1035994B/en

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Abstract

Stilbene cpds. of formula (I): are used as optical brightening agents for high molecular organic materials other than textiles. In (I), X is phenyl, naphthyl or a 4-biphenyl go. R1 is H 1-4C alkyl, 1-4C alkoxy, Cl, cyclohexyl, benzyl, alpha, alpha-dimethylbenzyl, 1-4C alkylsuphonyl, 2-5C carbalkoxy, carboxy, opt. substd. carbamoyl, sulpho or opt. substd. sulphamoyl, or together with R2 forms a trimethylene gp. in the 5,6-position of the benzoxazole ring or, if X is phenyl, R1 and R2 together may form a 1,3-butadienylene gp. in the 4,5-position of the benzoxazole ring system, R2 is H, 1-4C alkyl, 1-4C alkoxy or Cl or together with R1 may form the gps. described above. R3 is H or, if X is phenyl, R3 may also be 1-4C alkyl, 1-4C alkoxy, Cl carboxy, 2-5C carbalkoxy, CN or R3 and R4 together may form a methylenedioxy-, trimethylene or tetramethylene gp. R4 is H or if X is phenyl, R4 may also be 1-4C alkyl, 1-4C alkoxy, Cl or R4 and R3 together may form the gps. described above, and R5 is H, Cl or sulpho gp. The (I) esp. for addn. to wash baths used e.g. with polyamide and cellulosic materials.
IT4999075A 1974-06-12 1975-06-10 Stilbene cpds. used as optical brightening agents - esp. in washing baths for cellulose and polyamide fibres IT1035994B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH803574A CH593316A5 (en) 1974-06-12 1974-06-12 Sulpho gp. contg oxazolystilbene cpds - useful optical bleaches
CH803174 1974-06-12
CH570575A CH621227GA3 (en) 1975-05-02 1975-05-02 Use of stilbene compound for optically brightening textile organic materials

Publications (1)

Publication Number Publication Date
IT1035994B true IT1035994B (en) 1979-10-20

Family

ID=27175299

Family Applications (1)

Application Number Title Priority Date Filing Date
IT4999075A IT1035994B (en) 1974-06-12 1975-06-10 Stilbene cpds. used as optical brightening agents - esp. in washing baths for cellulose and polyamide fibres

Country Status (1)

Country Link
IT (1) IT1035994B (en)

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