Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method for inhibiting tarnish formation when cleaning silver with ether stabilized, N-propyl bromide-based solvent systems

Method for inhibiting tarnish formation when cleaning silver with ether stabilized, N-propyl bromide-based solvent systems

US Patent 5990071 · Granted Nov 23, 1999

Estimated economic value: $9,372,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Compositions comprised of normal propyl bromide and 1,1,1,3,3-pentafluorobutane 2006
Compositions for surface cleaning in aerosol applications2002
Compositions for surface cleaning in aerosol applications2001
Method for inhibiting tarnish formation during the cleaning of silver surfaces w2000
Fluorinated hydrobromocarbon solvent cleaning process and composition2000
Movie film cleaning process using halogenated hydrobromocarbon solvents2000
Olefin oligomerization process and catalysts therefor1999
Olefin oligomerization process1998
N-propyl bromide based cleaning solvent and ionic residue removal process1998
Apparatus and oil compositions containing olefin dimer products1993
Olefin dimer products1992
Apparatus and oil compositions containing olefin dimer products1992