DORSET INC., A DE CORP.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4788379 Production of acetyleneExpiredOct 01, 82Nov 29, 88[C07C]
4786806 Retarding field spectrometerExpiredJun 22, 87Nov 22, 88[H01J]
4762522 Agent for treatment of hides and peltsExpiredMar 02, 87Aug 09, 88[C14C]
4713463 Synthesis of n-epoxypropyl lactamsExpiredOct 24, 86Dec 15, 87[C07D]
4517023 Rust removal process using removable coatings of maleic acid copolymersExpiredMay 22, 84May 14, 85[B08B, C23G, C11D]
4514271 Stable dispersion of alkylated polyvinylpyrrolidone and vinyl pyrrolidoneExpiredMay 23, 83Apr 30, 85[C08F]
4451296 Rust removal processExpiredDec 29, 82May 29, 84[B08B]
4448710 Corrosion inhibitors including a 3-dialkylamino-3-phenylethenylprop-1-yneExpiredDec 01, 81May 15, 84[C09K, C23F]
4448875 Electron beam sensitive mixture resistExpiredMar 31, 83May 15, 84[G03C]
4448876 Electron beam sensitive resistExpiredDec 06, 82May 15, 84[G03C]
4419266 Corrosion inhibitors containing 3-dialkyl-3-(1-ethylpentyl)-prop-1-yneExpiredFeb 25, 82Dec 06, 83[C23F]
4410726 Vinylation reactionExpiredJun 12, 81Oct 18, 83[C07D, B01J]
4396734 Polymer stabilizersExpiredMar 20, 81Aug 02, 83[C08K]
4388206 Corrosion inhibitorsExpiredDec 01, 81Jun 14, 83[C04B, C23G, C11D]
4387041 Corrosion inhibitorsExpiredSep 14, 81Jun 07, 83[C23F]
4387042 Corrosion inhibitor comprising the ethynylation reaction product of a dialkylamine, a substituted benzaldehyde and acetyleneExpiredOct 15, 81Jun 07, 83[C23F]
4375398 Electron beam sensitive resist of an anhydride copolymerExpiredMay 24, 82Mar 01, 83[C08F, C08L]
4367363 Production of acetyleneExpiredDec 23, 80Jan 04, 83[C07C]
4269688 Solid polymer electrolyte bipolar electrolyzerExpiredNov 01, 79May 26, 81[C25B]
4183958 Fungicidal 1-(alkoxyphenyl)-5-(substituted phenyl) biguanide compoundsExpiredSep 26, 78Jan 15, 80[A01N, C07C]

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