Autotype International Limited

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6681691 Screen printing stencil productionExpiredJul 06, 01Jan 27, 04[B41C]
6634289 Screen printing stencil productionExpiredJul 03, 01Oct 21, 03[B41C]
6539856 Method of screen printing stencil productionExpiredAug 14, 01Apr 01, 03[B41C]
2001/0052,299 Screen printing stencil prodcutionAbandonedJul 03, 01Dec 20, 01[B41C]
6125749 Apparatus and method for applying liquids to screenprinting screensExpiredApr 13, 99Oct 03, 00[B41F]
5043362 Photopolymerizable compositionsExpiredJun 28, 88Aug 27, 91[C08F, C08L]
4921740 Masking filmsExpiredJan 05, 89May 01, 90[B32B]
4824765 Water-soluble photoinitiatorsExpiredOct 10, 86Apr 25, 89[G03C]
4636438 Masking filmsExpiredJun 05, 85Jan 13, 87[B32B]
4588674 Laser imaging materials comprising carbon black in overlayerExpiredOct 13, 83May 13, 86[G03C, G03F, G01D]
4478977 Photopolymer derivatives of polyvinyl alcoholExpiredMar 15, 83Oct 23, 84[G03C]
4477552 Stabilization of diazo-resin sensitizers with polyvinyl pyridineExpiredOct 28, 82Oct 16, 84[G03C, G03F]

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