With Metal-corrosion Inhibiting Component (i.e., Preventing Corrosion, Such As Tarnishing, Discoloration, Etc., Of Metal Equipment Which Is In Contact With The Cleaning Composition) Patents (Class 510/401)
Sulfur or nitrogen containing organic substituent in the component (Class 510/402)
  • Process for stabilizing a hydrofluoroalkane and compositions comprising at least one hydrofluoroalkane
    Patent number: 5538665
    Abstract: Hydrofluoroalkanes are effectively stabilized against degradation caused by Lewis acids by addition of 0.001 to less than 0.1% by weight of at least one C.sub.1 -C.sub.2 alcohol and/or of 0.001% to 0.5% of a C.sub.5 -C.sub.6 unsaturated hydrocarbon.
    Type: Grant
    Filed: February 23, 1993
    Date of Patent: July 23, 1996
    Assignee: Solvay (Societe Anonyme)
    Inventors: Mireille Paulus, Pierre Barthelemy