Water-spot remover containing hydrofluoric acid, ammonium fluori

Details Water-spot remover containing hydrofluoric acid, ammonium fluori Water-spot remover containing hydrofluoric acid, ammonium fluori

1992-03-18

1992-11-17

Albrecht, Dennis

Cleaning and liquid contact with solids

Processes

Using sequentially applied treating agents

134 3, 134 42, 252 793, 252142, 252143, 252DIG10, B08B 308, C11D 708, C11D 710, C11D 750

Patent

active

051640180

ABSTRACT:
A chemical composition which, when applied to water spots on a glass surface such as a windshield, removes the water spots from the windshield or other glass surface. The composition includes (a) an alcohol such as isopropyl alcohol with one to three carbon atoms per molecule, (b) hydrofluoric acid, (c) water, and optionally (d) ammonium fluoride.

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patent: 4970014 (1990-11-01), Garcia

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