发明授权
US08979946B2 Thiophene azo dyes and laundry care compositions containing the same
有权
噻吩偶氮染料和含有它的洗衣护理组合物
- 专利标题: Thiophene azo dyes and laundry care compositions containing the same
- 专利标题(中): 噻吩偶氮染料和含有它的洗衣护理组合物
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申请号: US14222705申请日: 2014-03-24
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公开(公告)号: US08979946B2公开(公告)日: 2015-03-17
- 发明人: Gregory Scot Miracle , Robert Linn Mahaffey, Jr. , Xiaoyong Michael Hong , Eduardo Torres , Dominick Joseph Valenti
- 申请人: The Procter & Gamble Company
- 申请人地址: US OH Cincinnati
- 专利权人: The Procter & Gamble Company
- 当前专利权人: The Procter & Gamble Company
- 当前专利权人地址: US OH Cincinnati
- 代理商 John T. Dipre; Steven W. Miller
- 主分类号: C11D3/00
- IPC分类号: C11D3/00 ; C11D17/00 ; C11D3/42 ; C11D3/40 ; C09B44/04 ; C09B44/10
摘要:
This application relates to thiophene azo dyes for use as hueing agents, laundry care compositions comprising such thiophene azo dyes, processes for making such thiophene azo dyes, and laundry care compositions and methods of using the same. The thiophene azo dyes contain a formally charged moiety and are generally comprised of at least two components: at least one chromophore component and at least one polymeric component. Suitable chromophore components generally fluoresce blue, red, violet, or purple color when exposed to ultraviolet light, or they may absorb light to reflect these same shades. These thiophene azo dyes are advantageous in providing a hueing effect, for example, a whitening effect to fabrics, while not building up over time and causing undesirable blue discoloration to the treated fabrics. The thiophene azo dyes are also generally stable to bleaching agents used in laundry care compositions.