Alkaline cleaning and sanitizing composition effective for...

Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – For cleaning a specific substrate or removing a specific...

Reexamination Certificate

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Details

C510S238000, C510S384000, C510S391000, C510S421000, C510S432000, C510S503000, C510S504000, C510S509000

Reexamination Certificate

active

06933267

ABSTRACT:
Alkaline cleaning and sanitizing compositions which are essentially free of chelating agents based on organic acid compounds, especially nitrogen containing chelating agents are provided, which compositions are particularly directed for the removal of soap scum stains on hard surfaces.

REFERENCES:
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patent: 6013615 (2000-01-01), Zhou et al.
patent: 6136770 (2000-10-01), Cheung et al.
patent: 6306810 (2001-10-01), Cheung et al.
patent: 6750190 (2004-06-01), Colurciello et al.
patent: 0 621 335 (1994-10-01), None
patent: 0 691 397 (1996-01-01), None
patent: 2 148 928 (1985-06-01), None
patent: 2 340 503 (2000-02-01), None
patent: 2 353 043 (2001-02-01), None
patent: 2 370 042 (2002-06-01), None
patent: 00/09644 (2000-02-01), None
PCT International Search Report, dated Jan. 22, 2002, for PCT/GB01/05120.

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