DAVY MCKEE (LONDON) LIMITED

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4767869 Process for the production of gamma-butyrolactoneExpiredJul 31, 87Aug 30, 88[C07D, B01D]
4584419 Process for the production of butane-1,4-diolExpiredNov 21, 84Apr 22, 86[C07C]
4496768 Process for the production of aldehydes by hydroformylation of alpha-olefinsExpiredJun 07, 83Jan 29, 85[C07C]
4466574 Cooling apparatusExpiredApr 12, 82Aug 21, 84[B05B]
4391677 Process for producing substantially sulphur-free butene-1ExpiredAug 27, 81Jul 05, 83[B01D]
4311564 Distillation process and apparatus for a barge-mounted plantExpiredJun 06, 80Jan 19, 82[B01D]
4298191 Mobile apparatus for containing molten metalExpiredJan 21, 80Nov 03, 81[C21B]
4287369 Hydroformylation of alkenes to aldehydesExpiredMar 20, 80Sep 01, 81[C07C]
4287370 Hydroformylation process for the production of n-valeraldehydeExpiredMar 20, 80Sep 01, 81[C07C]

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