Aikoh Co., Ltd.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5855644 Method for recovering aluminium from materials containing metallic aluminiumExpiredApr 04, 97Jan 05, 99[C22B]
5378270 Mold release material for die castingsExpiredSep 16, 93Jan 03, 95[B28B]
5360574 Gel-form deodorant composition containing chloride dioxideExpiredJun 02, 93Nov 01, 94[A61L]
5009887 Deodorant composition in the form of a gelExpiredJul 31, 89Apr 23, 91[A61K]
4566518 Method of heat retention in a blind riserExpiredSep 12, 83Jan 28, 86[B22D]
4469309 Core for blow-forming the lining of vessel for molten metal, a lining method using said core, and a lining composition used in said lining methodExpiredFeb 11, 82Sep 04, 84[B22C]
4321035 Heat-insulating constructionExpiredMar 07, 80Mar 23, 82[F27D, B32B]
4296921 Lance pipe for refining and method of making the sameExpiredAug 02, 79Oct 27, 81[C21B]
4278544 Filter medium for fluidExpiredMar 26, 80Jul 14, 81[B01D]
4243210 Tundish for the continuous casting of steelExpiredMay 29, 79Jan 06, 81[C21C]

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