Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – For cleaning a specific substrate or removing a specific...
Patent
2000-03-06
2000-11-28
Ogden, Necholus
Cleaning compositions for solid surfaces, auxiliary compositions
Cleaning compositions or processes of preparing
For cleaning a specific substrate or removing a specific...
510176, 510177, 510365, 510379, 510411, 510412, 510415, 510475, 134 2, 134 40, 134 41, 570111, 570113, C11D 326, C23G 502
Patent
active
061535753
ABSTRACT:
Describes a stabilized trans-1,2-dichloroethylene composition having a low concentration of aliphatic aldehyde hydrazone, optionally in combination with an epoxide. The aliphatic aldehyde hydrazone was found to be more efficient than commercially used hydroquinone monomethylether (HQMME) in preventing the isomeric transformation of trans-1,2-dichloroethylene to cis-1,2-dichloroethylene during storage. Also described is a process for cleaning the surface of an article with the stabilized 1,2-dichloroethylene composition.
REFERENCES:
patent: 3043888 (1962-07-01), Pray et al.
patent: 3796755 (1974-03-01), Beckers et al.
patent: 4026956 (1977-05-01), Manner
patent: 4418231 (1983-11-01), Pamer
Gorton Earl M.
Olinger Ronald D.
Mruk Brian P.
Ogden Necholus
PPG Industries Ohio Inc.
Stein Irwin M.
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