Hatco Chemical Corporation

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4826633 Synthetic lubricant base stock of monopentaerythritol and trimethylolpropane estersExpiredOct 16, 86May 02, 89[C10M]
4570015 Preparation of large crystals of N-benzyloxycarbonyl-L-aspartic acidExpiredAug 26, 83Feb 11, 86[C07C]
4523026 Synthesis of N-benzyloxycarbonyl-L-aspartic acidExpiredAug 26, 83Jun 11, 85[C07C]
4518792 Process for preparing N-benzyloxycarbonyl-L-aspartic acidExpiredAug 26, 83May 21, 85[C07C]

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