OMI International Corporation

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5049286 Process for purification of nickel plating bathsExpiredDec 22, 89Sep 17, 91[C02F]
5022938 Method for preparing corrosion-resistant zinc-cobalt surfacesExpiredJul 31, 89Jun 11, 91[C23C]
4983262 Conversion composition and processExpiredFeb 16, 90Jan 08, 91[C25D]
4933051 Cyanide-free copper plating processExpiredJul 24, 89Jun 12, 90[C25D]
4898652 Polyoxalkylated polyhydroxy compounds as additives in zinc alloy electrolytesExpiredNov 02, 88Feb 06, 90[C25D]
4873122 Treating laminates with a wetting/reducing solution after desmearing with permanganateExpiredMay 27, 87Oct 10, 89[B05D]
4814205 Process for rejuvenation electroless nickel solutionExpiredMay 14, 87Mar 21, 89[B05D]
4776898 PassivationExpiredMar 18, 86Oct 11, 88[C23C]
4773983 Electrolytic apparatus and processExpiredJun 05, 87Sep 27, 88[C25D]
4772362 Zinc alloy electrolyte and processExpiredJun 08, 87Sep 20, 88[C25D]
4717458 Zinc and zinc alloy electrolyte and processExpiredOct 20, 86Jan 05, 88[C25D]
4715935 Palladium and palladium alloy platingExpiredJan 21, 86Dec 29, 87[C25D]
4699696 Zinc-nickel alloy electrolyte and processExpiredApr 15, 86Oct 13, 87[C25D]
4687554 Electrolytic apparatus and processExpiredFeb 03, 86Aug 18, 87[C25D]
4617095 Electrolytic post treatment of chromium substratesExpiredJun 24, 85Oct 14, 86[C25D]
4617205 Formaldehyde-free autocatalytic electroless copper platingExpiredDec 17, 85Oct 14, 86[C23C]
4615774 Gold alloy plating bath and processExpiredJan 31, 85Oct 07, 86[C25D]
4597838 Additive agent for zinc alloy electrolyte and processExpiredAug 29, 85Jul 01, 86[C25D]
4578122 Non-peroxide trivalent chromium passivate composition and processExpiredNov 14, 84Mar 25, 86[C23F]
4555315 High speed copper electroplating process and bath thereforExpiredMay 29, 84Nov 26, 85[C25D]

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