Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – For cleaning a specific substrate or removing a specific...
Reexamination Certificate
2005-09-20
2005-09-20
Gupta, Yogendra N. (Department: 1751)
Cleaning compositions for solid surfaces, auxiliary compositions
Cleaning compositions or processes of preparing
For cleaning a specific substrate or removing a specific...
C510S365000, C134S040000
Reexamination Certificate
active
06946434
ABSTRACT:
A non-toxic, non-hazardous, environmentally safe composition provides an effective, fast acting cleaning solution for removal of tar, oils, asphalt and other bituminous materials from industrial equipment surfaces. The composition is a mixture of a carrier monocyclic monoterpene and a nonionic surfactant such as an alkylphenol ethoxylate. The mixture is applied directly to surfaces to be cleaned, and rinsed with water in the absence of mechanical intervention.
REFERENCES:
patent: 5549839 (1996-08-01), Chandler
patent: WO 94/25001 (1994-11-01), None
Biospan Technologies, Inc.
Gupta Yogendra N.
Medlen & Carroll LLP
Petruncio John M
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