Invention Grant
- Patent Title: High alkaline warewash detergent for controlling hard water scale
- Patent Title (中): 用于控制硬水垢的高碱性洗涤剂
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Application No.: US13211882Application Date: 2011-08-17
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Publication No.: US08889613B2Publication Date: 2014-11-18
- Inventor: Carter Silvernail , Altony Miralles
- Applicant: Carter Silvernail , Altony Miralles
- Applicant Address: US MN St. Paul
- Assignee: Ecolab USA Inc.
- Current Assignee: Ecolab USA Inc.
- Current Assignee Address: US MN St. Paul
- Agent Amy J. Hoffman
- Main IPC: C11D17/00
- IPC: C11D17/00 ; C11D3/37 ; C11D7/06 ; C11D3/04 ; C11D3/10
Abstract:
A detergent comprises an alkalinity source, a homopolymer of acrylic acid or a salt thereof, a homopolymer of methacrylic acid or a salt thereof, and a homopolymer of maleic acid or a salt thereof. Suitable weight ratios include a weight ratio of the homopolymer of methacrylic acid or a salt thereof to the homopolymer of acrylic acid or a salt thereof between approximately 1:3 and approximately 3:1, a weight ratio of the homopolymer of acrylic acid or a salt thereof to the homopolymer of maleic acid or a salt thereof between approximately 3:1 and approximately 1:6, and a weight ratio of the homopolymer of methacrylic acid or a salt thereof to the homopolymer of maleic acid or a salt thereof between approximately 2:1 and approximately 1:4.
Public/Granted literature
- US20130045909A1 HIGH ALKALINE WAREWASH DETERGENT FOR CONTROLLING HARD WATER SCALE Public/Granted day:2013-02-21
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