Nova Patents
AT397593T

Process for the manufacture of a precursor of vitamin b1

Abstract

The invention relates to a novel method for preparing Grewe diamine, comprising the following steps: An alkali - metal and an alkaline - earth - metal hydroxide aqueous solution is conducted (i), r is hydrogen or a linear or branched (C1-4 alkyl, wherein the method is characterized is conducted performed in the organic solvent is.

Term

No projected expiry on record.

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15 members in 9 offices

This recordMember, by publication datePriority claim

Priority claims1

Priority claims
DocumentOfficeKindDate
05001859European Patent Office (EPO)A

Members15

Family members, oldest first
DocumentOfficeKind
WO2006079504A2World Intellectual Property Organization (WIPO)A2
WO2006079504A3World Intellectual Property Organization (WIPO)A3
KR20070098888ARepublic of KoreaA
EP1841745A2European Patent Office (EPO)A2
CN101111484AChinaA
EP1841745B1European Patent Office (EPO)B1
AT397593TThis recordAustriaT
DE602006001394D1GermanyD1
JP2008528529AJapanA
US2008242863A1United States of AmericaA1
ES2308715T3SpainT3
JP5191237B2JapanB2
KR101277352B1Republic of KoreaB1
CN101111484BChinaB
US9108925B2United States of AmericaB2