SYBRON CHEMICALS INC.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6750259 Process for preparing gel-type cation exchangersExpiredJul 08, 02Jun 15, 04[C08F]
6464730 Process for applying softeners to fabricsExpiredJun 09, 00Oct 15, 02[D06M]
4737156 Fabric treatment with a composition comprising a cellulose graft copolymerExpiredOct 27, 86Apr 12, 88[D06P]
4497743 Organosoluble salts of manganese, process of preparation of sameExpiredJun 29, 81Feb 05, 85[C07F]
4435262 Electrically neutral nonpermselective porous membraneExpiredDec 27, 82Mar 06, 84[C25D]

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