Sando Iron Works Co., Ltd.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5495729 Method for high temperature and high pressure continuous dyeing of a cloth and an apparatus thereforExpiredNov 07, 94Mar 05, 96[D06B]
5435156 Method and apparatus for the pretreatment of a clothExpiredApr 18, 94Jul 25, 95[D06B]
5407446 Method and apparatus for the pretreatment of a clothExpiredOct 06, 93Apr 18, 95[D06M, D06L]
5370707 Method for bleaching clothExpiredMar 20, 91Dec 06, 94[D06L]
5334224 Method for continuous pretreatment of a clothExpiredMar 03, 93Aug 02, 94[D06L]
5234463 Method for desizing and scouring of a clothExpiredSep 09, 91Aug 10, 93[D06L]
5180497 Method for decolorization of waste waterExpiredSep 11, 91Jan 19, 93[C02F]
5110481 Method for separation of polyvinyl alcohol from aqueous solutions thereof using peroxodisulfatesExpiredMay 10, 91May 05, 92[C02F]
4834766 Method for preventing scale adhesionExpiredJul 28, 88May 30, 89[D01C, B08B]
4829189 Apparatus for low-temperature plasma treatment of sheet materialExpiredJul 10, 87May 09, 89[G21K]
4772398 Method for treatment of waste water and its apparatusExpiredFeb 09, 87Sep 20, 88[B03D, C02F]
4750275 Cylinder drying machineExpiredJun 04, 87Jun 14, 88[F26B]
4742589 Method for continuous liquid treatment of a clothExpiredJul 18, 86May 10, 88[D06M]
4742697 Apparatus for continuous wet heat treatment of a clothExpiredJul 25, 86May 10, 88[D06B]
4711102 Wet heat treating apparatus of a cloth for performing dyeing and washing in combinationExpiredApr 08, 86Dec 08, 87[D06B]
4691137 Electrode plate for generating plasmaExpiredOct 04, 85Sep 01, 87[H01J, B23K, B08B]
4656843 Apparatus for the automatic concentration control of aqueous caustic soda solutionExpiredNov 19, 84Apr 14, 87[D06B]
4611370 Singeing apparatus for clothExpiredJun 13, 85Sep 16, 86[D06C]
4607508 Apparatus for applying treating solution to a cloth in continuous treatment of the clothExpiredOct 12, 84Aug 26, 86[B05C]
4592216 Apparatus for continuous wet-heat treatment of a clothExpiredAug 06, 84Jun 03, 86[D06B]

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