Cleaning compositions for ceramic and porcelain surfaces and related methods
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C11D-010/02
C11D-003/33
C11D-017/00
출원번호
US-0995326
(1997-12-22)
발명자
/ 주소
Neumiller Phillip J.
Rees Wayne M.
출원인 / 주소
S. C. Johnson & Son, Inc.
인용정보
피인용 횟수 :
21인용 특허 :
29
초록▼
A cleaning composition for removing kinetically inert high oxidation state metal coordination complex stains, lime scale, soap scum, soil, grease, and biofilm deposits from ceramic surfaces, such as porcelain and glass, and other hard surfaces. The composition includes an acid component; a reducing
A cleaning composition for removing kinetically inert high oxidation state metal coordination complex stains, lime scale, soap scum, soil, grease, and biofilm deposits from ceramic surfaces, such as porcelain and glass, and other hard surfaces. The composition includes an acid component; a reducing component; a surfactant system component; and a complexing system component. In one aspect, the cleaning composition includes sulfamic acid, in an amount between about 20 and about 80 weight percent of the composition; isoascorbic acid, in an amount between about 0.1 and about 20 weight percent of the composition, for reducing kinetically inert high oxidation state metal coordination complex stains; a non-interfering surfactant system; and a complexing system comprising ethylenediaminetetraacetic acid and citric acid, the ethylenediaminetetraacetic acid comprising between about 0.01 and about 10 weight percent of the composition, and the citric acid comprising between about 5 and about 45 weight percent of the composition. In another aspect, the invention also relates to methods for cleaning and removing complex stains from surfaces.
대표청구항▼
[ We claim:] [1.] A cleaning composition for removing at least kinetically inert metal coordination complex stains from a surface, said composition comprising, in combination:sulfamic acid, in an amount between about 20 and about 80 weight percent of the composition;isoascorbic acid, in an amount be
[ We claim:] [1.] A cleaning composition for removing at least kinetically inert metal coordination complex stains from a surface, said composition comprising, in combination:sulfamic acid, in an amount between about 20 and about 80 weight percent of the composition;isoascorbic acid, in an amount between about 0.1 and about 20 weight percent of the composition, for reducing the kinetically inert metal coordination complex stains;a non-interfering surfactant system selected from the group consisting of (a) a mixture of sodium lauryl sulfate and sodium dioctyl sulfosuccinate, said sodium lauryl sulfate comprising between about 1 and about 20 weight percent of the composition, and said sodium dioctyl sulfosuccinate comprising between about 1 and about 30 weight percent of the composition; and (b) lauryl amido propyl betaine, in an amount between about 1 and about 40 weight percent of the composition; anda complexing system comprising ethylenediaminetetraacetic acid and citric acid, said ethylenediaminetetraacetic acid comprising between about 0.01 and about 10 weight percent of the composition, and said citric acid comprising between about 5 and about 45 weight percent of the composition. [9.] A method for cleaning and removing at least kinetically inert metal coordination complex stains from a surface, said method comprising:applying to the surface a composition comprisingisoascorbic acid, in an amount between about 0.1 and about 20 weight percent of the composition, for reducing the kinetically inert metal coordination complex stains;sulfamic acid, in an amount between about 20 and about 80 weight percent of the composition;a surfactant system comprising sodium lauryl sulfate and sodium dioctyl sulfosuccinate, the sodium lauryl sulfate comprising between about 1 and about 20 weight percent of the composition, and the sodium dioctyl sulfosuccinate comprising between about 1 and about 30 weight percent of the composition; anda complexing system comprising ethylenediaminetetraacetic acid and citric acid, the ethylenediaminetetraacetic acid comprising between about 0.01 and about 10 weight percent of the composition, and the citric acid comprising between about 5 and about 45 weight percent of the composition, said composition being dissolved with water.
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