Invention Grant
- Patent Title: Scale-reducing additive for automatic dishwashing systems
- Patent Title (中): 自动洗碗系统的减垢添加剂
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Application No.: US12932834Application Date: 2011-03-08
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Publication No.: US08722606B2Publication Date: 2014-05-13
- Inventor: Marianne Patricia Creamer , Joseph Manna , Jan Edward Shulman
- Applicant: Marianne Patricia Creamer , Joseph Manna , Jan Edward Shulman
- Applicant Address: US PA Philadelphia
- Assignee: Rohm and Haas Company
- Current Assignee: Rohm and Haas Company
- Current Assignee Address: US PA Philadelphia
- Agent Kenneth Crimaldi
- Main IPC: C11D3/60
- IPC: C11D3/60

Abstract:
An automatic dishwashing detergent composition having at least two components. The first component is a polymer containing polymerized residues of at least one C3-C6 carboxylic acid monomer and a hydroxy end group. The second component is a biodegradable builder selected from among nitrilotriacetic acid, ethylenediaminetetraacetic acid, diethylenetriaminepentaacetic acid, glycine-N,N-diacetic acid, methylglycine-N,N-diacetic acid, 2-hydroxyethyliminodiacetic acid, glutamic acid-N,N-diacetic acid, 3-hydroxy-2,2′-iminodisuccinate, S,S-ethylenediaminedisuccinate aspartic acid-diacetic acid, N,N′-ethylenediamine disuccinic acid, iminodisuccinic acid, aspartic acid, aspartic acid-N,N-diacetate, beta-alaninediacetic acid, polyaspartic acid, salts thereof and combinations thereof.
Public/Granted literature
- US20110224118A1 Scale-reducing additive for automatic dishwashing systems Public/Granted day:2011-09-15
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