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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0983159 (1997-12-29) |
국제출원번호 | PCT/US96/04689 (1996-04-05) |
§371/§102 date | 19971229 (19971229) |
국제공개번호 | WO-9701605 (1997-01-16) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 1 인용 특허 : 475 |
A light-stable colored composition which includes a colorant and a radiation transorber. The colorant, in the presence of the radiation transorber, is adapted, upon exposure of the transorber to specific, narrow bandwidth radiation, to be mutable. The radiation transorber also imparts light-stabilit
A light-stable colored composition which includes a colorant and a radiation transorber. The colorant, in the presence of the radiation transorber, is adapted, upon exposure of the transorber to specific, narrow bandwidth radiation, to be mutable. The radiation transorber also imparts light-stability to the colorant so that the colorant does not fade when exposed to sunlight or artificial light.
[ We claim:] [1.] A colorant stabilizing composition comprising a colorant associated with a compound having the general formula: [ STR 51 ] wherein when R.sub.1 is an aryl group, R.sub.2 is a hydrogen; alkyl; aryl; heterocyclic; or a phenyl group, the phenyl group being substituted with an alkyl, h
[ We claim:] [1.] A colorant stabilizing composition comprising a colorant associated with a compound having the general formula: [ STR 51 ] wherein when R.sub.1 is an aryl group, R.sub.2 is a hydrogen; alkyl; aryl; heterocyclic; or a phenyl group, the phenyl group being substituted with an alkyl, halo, amino, or a thiol group;wherein when R.sub.2 is an aryl group, R.sub.1 is a hydrogen; alkyl; aryl; heterocyclic; or a phenyl group, the phenyl group being substituted with an alkyl, halo, amino, or a thiol group;wherein at least one of R.sub.1 and R.sub.2 is an aryl group substituted with one or more carbonyl, ethylene, phenyl, ester, aryl, substituted aryl, or vinylic groups, wherein said groups are sequentially arranged forming a chain of unsaturated groups.and wherein said composition comprises a substantially uniform distribution of said colorant with said compound.
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