RYNEX HOLDINGS, LTD.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7008458 Biodegradable ether dry cleaning solventExpiredJan 06, 04Mar 07, 06[D06P]
6673120 Dry cleaning solvents containing DPTB and other surfactantsExpiredDec 12, 01Jan 06, 04[D06L]
6524474 Solvent purifying systemExpiredAug 14, 01Feb 25, 03[D06F, B08B, B01D]
6350287 Biodegradable ether dry cleaning solventExpiredJun 05, 01Feb 26, 02[D06L]
6273919 Biodegradable ether dry cleaning solventExpiredJul 20, 00Aug 14, 01[D06L]
6156074 Biodegradable dry cleaning solventExpiredJan 12, 00Dec 05, 00[C09B, D06L]

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