Method, washer apparatus and cleaning agent for cleaning a glass

Details Method, washer apparatus and cleaning agent for cleaning a glass Method, washer apparatus and cleaning agent for cleaning a glass

1992-07-06

1998-05-19

McMahon, Timothy

Cleaning and liquid contact with solids

Processes

Using solid work treating agents

134 26, 134 32, 134 36, B08B 704

Patent

active

057530475

ABSTRACT:
In a process for cleaning a glass window of a motor vehicle with a wiper apparatus having a wiper, including applying a washer fluid including a cleaning agent and water to the glass window from a container located in the motor vehicle, and moving the wiper over the glass window with the wiper apparatus to at least partially clean the glass window with the washer fluid, the improvement includes spraying or blowing a polishing composition containing a metal oxide powder on the glass window, advantageously from a container located in the motor vehicle, and cleaning the glass window with the polishing composition containing the metal oxide powder by action of the wiper together with the polishing composition, so that, when present on the glass window, a hydrophobic dirt layer formed on the glass window is removed. The metal oxide powder advantageously has a particle size from 10 nm to 1 micrometer and is cerium oxide. The polishing composition may be an aqueous suspension which is added to the washer fluid in the vehicle washer apparatus or may be stored in a separate container in the vehicle. The metal oxide powder advantageously has a particle size from 10 nm to 1 micrometer and is cerium oxide.

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