Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – For cleaning a specific substrate or removing a specific...
Patent
1999-10-12
2000-07-18
Douyon, Lorna M.
Cleaning compositions for solid surfaces, auxiliary compositions
Cleaning compositions or processes of preparing
For cleaning a specific substrate or removing a specific...
510108, 510405, 510505, 134 3, 252 793, 252 794, C11D 708, C11D 710, B08B 700
Patent
active
060907665
ABSTRACT:
It has long been the practice to clean monuments and memorials, in fact, any stone surface through the use of harsh chemicals or physical removal systems, such as sand blasting. A compound containing ammonium fluoride (NH4F), ammonium bifluoride (NH4F.HF), denatured alcohol (CH2H60) and water is mixed in an aqueous solution for use as a cleaning agent for all stone products and structures. A method of cleaning the stone items is also disclosed.
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Douyon Lorna M.
Neiman Thomas N.
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