IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0600639
(1990-10-19)
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발명자
/ 주소 |
- Hines John B. (Spartanburg SC) Barry
- Jr. Carey N. (Spartanburg SC)
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출원인 / 주소 |
- Milliken Research Corporation (Spartanburg SC 02)
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인용정보 |
피인용 횟수 :
18 인용 특허 :
0 |
초록
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Azo chromophores having polyoxyalkylene substituents are linked together by a covalent bond or by an intervening connecting group to form dimers or trimers. The polyoxyalkylene substituents are straight or branched chain polymers primarily of ethylene oxide which make the dimer and trimer colorants
Azo chromophores having polyoxyalkylene substituents are linked together by a covalent bond or by an intervening connecting group to form dimers or trimers. The polyoxyalkylene substituents are straight or branched chain polymers primarily of ethylene oxide which make the dimer and trimer colorants useful as fugitive tints.
대표청구항
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A fugitive colorant comprising a dimer or trimer of an azo chromophore selected from compounds of the formula: R2NNR1AR1NNR2, and [Figure] wherein R1-N〓N-R2 is an azo chromophore and R1 and R2 are aryl, either of which aryl may be substituted with one or more of C1-C4 alkyl, C1-C4 alkoxy, NO2, halog
A fugitive colorant comprising a dimer or trimer of an azo chromophore selected from compounds of the formula: R2NNR1AR1NNR2, and [Figure] wherein R1-N〓N-R2 is an azo chromophore and R1 and R2 are aryl, either of which aryl may be substituted with one or more of C1-C4 alkyl, C1-C4 alkoxy, NO2, halogen, hydroxyl, SO3H, CO2H, CN, N(R)2, thiol, amide, sulfanamide, C1-C8 alkyl mercaptan or aryl mercaptan, C1-C8 alkyl carbonyl or aryl carbonyl, halogenated C1-C4 alkyl or halogenated aryl, where R is H, C1-C8 alkyl or aryl; A is a chromophore connecting group selected from NR, O, S, CO2, SO2, a covalent bond and C1-C8 saturated alkyl, A is a chromophore connecting group selected from N or C1-C8 saturated alkyl; and at least one polyoxyalkylene straight or branched polymer chain of at least ten monomer units selected from ethyleneoxide, propylene oxide, and glycidol, linked to each R2 by a linking group selected from N, O, S, CO2, SO2N, SO2NH, SO2NR, NR, CONR, CON and CONH, where R is H, C1-C8 alkyl or aryl.
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