Nova Patents
CA2139506A1

A Facile Enzymatic Synthesis of Galactosyl-Beta-1, 3 Glycals

Abstract

An enzymatic process is disclosed for the preparation of galactosyl beta 1,3glycal disaccharides such as Gal beta 1,3Glucal, an intermediate useful in Le<a> preparation and an inhibitor of beta -galactosidase. The process utilizes beta -galactosidase, an enzyme usually used for bond breaking, to form a bond between a galactoside and a glucal such as glycal, a 6-0-C1-C6 acylglucal or 6-0-C1-C6 acetylgalactal.

Term

Term ended

Projected expiry passed 16 July 2013, 13.2 years ago.

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61 members in 19 offices

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DocumentOfficeKindDate
91546592United States of AmericaA
91546592United States of AmericaA
US19920915465–––

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CA2106301A1CanadaA1
WO9216640A1World Intellectual Property Organization (WIPO)A1
AU1668092AAustraliaA
WO9221657A1World Intellectual Property Organization (WIPO)A1
AU2145992AAustraliaA
CA2121365A1CanadaA1
WO9308205A1World Intellectual Property Organization (WIPO)A1
AU2785492AAustraliaA
IL106366D0IsraelD0
US5276120AUnited States of AmericaA
EP0576592A1European Patent Office (EPO)A1
US5278299AUnited States of AmericaA
CA2139506A1This recordCanadaA1
WO9402624A1World Intellectual Property Organization (WIPO)A1
AU4783393AAustraliaA
NO941346D0NorwayD0
FI941732AFinlandA
NO941346LNorwayL
JPH06505638AJapanA
HU9401072D0HungaryD0
CZ84294A3CzechiaA3
SK42594A3SlovakiaA3
JPH07500248AJapanA
EP0642526A1European Patent Office (EPO)A1
US5403726AUnited States of AmericaA
EP0654087A1European Patent Office (EPO)A1
BG98713ABulgariaA
HUT69791AHungaryA
US5461143AUnited States of AmericaA
JPH08500012AJapanA
EP0576592A4European Patent Office (EPO)A4
EP0642526A4European Patent Office (EPO)A4
AU668505B2AustraliaB2
NZ255109ANew ZealandA
AU672029B2AustraliaB2
EP0654087A4European Patent Office (EPO)A4
US5593887AUnited States of AmericaA
US5596005AUnited States of AmericaA
AU675209B2AustraliaB2
US5759823AUnited States of AmericaA
CA2139506CCanadaC
EP0642526B1European Patent Office (EPO)B1
AT174925TAustriaT
ATE174925T1AustriaT1
RU2125092C1Russian FederationC1
DE69228005D1GermanyD1
CA2106301CCanadaC
ES2129458T3SpainT3
DE69228005T2GermanyT2
EP0576592B1European Patent Office (EPO)B1
AT193551TAustriaT
ATE193551T1AustriaT1
DE69231127D1GermanyD1
CA2121365CCanadaC
US6168934B1United States of AmericaB1
US6319695B1United States of AmericaB1
US2002068331A1United States of AmericaA1
US6518418B1United States of AmericaB1
RO118132B1RomaniaB1
JP3476455B2JapanB2
US7335500B2United States of AmericaB2