Invention Grant
- Patent Title: Fluorescent brightener premix
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Application No.: US14595398Application Date: 2015-01-13
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Publication No.: US09951298B2Publication Date: 2018-04-24
- Inventor: Fei Li , Fangfang Feng , Liyuan Niu
- Applicant: The Procter & Gamble Company
- Applicant Address: US OH Cincinnati
- Assignee: The Procter & Gamble Company
- Current Assignee: The Procter & Gamble Company
- Current Assignee Address: US OH Cincinnati
- Agent John T. Dipre; Steven W. Miller
- Priority: WOPCT/CN2014/070867 20140120
- Main IPC: C11D1/72
- IPC: C11D1/72 ; C11D3/42 ; C11D3/43 ; C11D3/34 ; C11D1/83 ; C11D1/14 ; C11D1/22 ; C11D1/29

Abstract:
A fluorescent brightener premix comprising from 1% to 15% of a fluorescent brightener and 10% to 80% of an alkoxylated nonionic surfactant, by weight of the premix. The premix, upon being added into a liquid composition, has minimized impact on the pH of the liquid composition.
Public/Granted literature
- US20150203792A1 FLUORESCENT BRIGHTENER PREMIX Public/Granted day:2015-07-23
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