MASTER CHEMICAL CORPORATION

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6958314 Alkylated alkyl polyglucoside non-ionic surfactantsExpiredMar 05, 03Oct 25, 05[C07G, C11D]
6860142 Method and apparatus for measuring a variable in a lubricant/coolant systemExpiredFeb 14, 03Mar 01, 05[G01N]
6669747 Grinding wheel with titanium aluminum nitride and hard lubricant coatingsExpiredFeb 15, 02Dec 30, 03[B24D]
4767982 Concentration detection systemExpiredJun 01, 87Aug 30, 88[G01R]
4708539 Tap lubricating systemExpiredNov 22, 85Nov 24, 87[B23B]
4652372 Liquid separatorExpiredApr 08, 85Mar 24, 87[B01D]

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