Suddeutsche Zucker-Aktiengesellschaft

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5252757 Dicyanoazulenyl and dicyanovinyl substituted furanExpiredJul 26, 91Oct 12, 93[C07D]
5120839 Amido-linked oligosaccharide alditols and a process for their manufactureExpiredJun 19, 90Jun 09, 92[C07H]
5091538 Dicyanovinylsubstituted furan derivativesExpiredDec 05, 89Feb 25, 92[C07D]
4980189 Process for the manufacture of sucrose-free, dietetic and/or teeth-sparing chocolateExpiredNov 22, 88Dec 25, 90[A23G]
4843154 Isomaltamines and their N-acyl derivatives, methods for their production, and their uses as surfactants and monomersExpiredJul 31, 87Jun 27, 89[C07H, C08F, B01F]
4816078 Process for production of crystalline L-arabinoseExpiredJan 21, 88Mar 28, 89[C13K]
4788145 Process for preparing 1-O-alpha-D-glucopyranosido-D-fructoseExpiredOct 14, 86Nov 29, 88[C12P]
4740605 Process for preparing pure 5-hydroxymethylfurfuraldehydeExpiredJan 12, 87Apr 26, 88[C07D]
4640894 Production of isomaltulose using immobilized microorganismsExpiredOct 30, 85Feb 03, 87[C12P, C12N]
4618675 Derivatives and reduction products of D-glucopyranosyl-alpha(1.fwdarw.5)-d-arabinonic acid; and production of sameExpiredDec 16, 83Oct 21, 86[C07H]
4424078 Method for improving the carbonation procedure in a sugar plantExpiredAug 06, 82Jan 03, 84[C13D]
4273590 Process for obtaining pressed beet pulp with high dry-substance contentExpiredFeb 19, 80Jun 16, 81[C13D, B30B]
4246431 Process for recovering xylitol from end syrups of the xylitol crystallizationExpiredJun 12, 79Jan 20, 81[C07C]
4233439 Glucopyranosido-1,6-mannitol, a process for producing the same and its use as a sugar substituteExpiredMar 16, 79Nov 11, 80[C07H]

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