Cleaning surfaces

Details Cleaning surfaces Cleaning surfaces

2006-01-10

2006-01-10

Webb, Gregory (Department: 1751)

Cleaning and liquid contact with solids

Processes

Paints, varnishes, lacquers, or enamels, removal

C510S407000, C510S417000, C510S505000

Reexamination Certificate

active

06984269

ABSTRACT:
Substrates are cleaned by contacting the substrate with a cleaning composition, particularly an aqueous composition, including at least one compound of the formula (I): (R2)p—Ph—(CH2)m—COO—(AO)n—R1(I) where R1, AO, n, M, Ph, R2and p have defined meanings, particularly to give alkyl benzoates. Such compounds provide useful solvency to the cleaning formulations while having a relatively benign environmental profile.

REFERENCES:
patent: 3953344 (1976-04-01), Narushima
patent: 4956115 (1990-09-01), Van De Mark
patent: 5612303 (1997-03-01), Takayanagi et al.
patent: 5719114 (1998-02-01), Zocchi et al.
patent: 1278357 (1972-06-01), None
patent: 03 074495 (1991-03-01), None
patent: 09 059677 (1997-03-01), None
patent: WO 99/00025 (1999-01-01), None

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