Title:
DESCALING AGENT COMPOSITION FOR FOOD INDUSTRY AND METHOD FOR USING SAME
Document Type and Number:
WIPO Patent Application WO/2009/133465
Kind Code:
A3
Abstract:
[Problem] To provide a descaling agent composition for food industry that has excellent ability to dissolve scale mainly composed of iron oxide or iron hydroxide, that produces no effect on stainless steel quality or rubber quality and that excels in stability in storage. [Means of Solution] A descaling agent composition for food industry, comprising the following (a) to (c) components as active ingredients at the following ratios based on the entire composition, wherein pH (JIS Z-8802:1984 "pH Measurement Methods") of 1 wt. % dilute aqueous solution of the composition is within a range less than 3 at 25°C: (a) an organic acid 5 to 60 wt.%; (b) L-ascorbic acid and/or erythorbic acid 15 to 80 wt.%; (c) an urea compound 0.01 to 6 wt.%, and a method for using the descaling agent composition.
Inventors:
NAKAGAWA TAKUYA (JP)
AKIMOTO RYUJI (JP)
KOMODA SUSUMU (JP)
AKIMOTO RYUJI (JP)
KOMODA SUSUMU (JP)
Application Number:
PCT/IB2009/005758
Publication Date:
March 25, 2010
Filing Date:
April 17, 2009
Export Citation:
Assignee:
JOHNSON DIVERSEY INC (US)
NAKAGAWA TAKUYA (JP)
AKIMOTO RYUJI (JP)
KOMODA SUSUMU (JP)
NAKAGAWA TAKUYA (JP)
AKIMOTO RYUJI (JP)
KOMODA SUSUMU (JP)
International Classes:
C11D7/32; C11D7/26
Foreign References:
| US20040176262A1 | 2004-09-09 | |||
| US20060116309A1 | 2006-06-01 | |||
| US20050124519A1 | 2005-06-09 | |||
| US20020198131A1 | 2002-12-26 |
Attorney, Agent or Firm:
BOLLIS, Gregory S. (Inc.8310 16th Street, M/S 509,P.O. Box 90, Sturtevant Wisconsin, US)
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