Nova Patents
NO930807L

Polymers containing diester units.

Abstract

The present invention relates to the process for the preparation of a biodegradable polymer comprising diester units of the formula (III)-[(O)-CO-O-C(R1R2)-O-CO-(O)-R3]-;where R1 and R2 each represents a hydrogen atom or a carbon-attached monovalent organic group or R1 and R2 together form a carbon-attached divalent organic group; m and n, which may be the same or different, are 0 or 1; and R3 is a carbon-attached divalent organic grouping.

Term

No projected expiry on record.

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114 members in 29 offices

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Priority claims
DocumentOfficeKindDate
9019650United KingdomA
9114678United KingdomA
9101751European Patent Office (EPO)W

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GB9019650D0United KingdomD0
GB9106686D0United KingdomD0
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AU1428392AAustraliaA
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NO930807D0NorwayD0
FI930991AFinlandA
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FI930991LFinlandL
NO930807LThis recordNorwayL
HU9300608D0HungaryD0
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NO301273B1NorwayB1
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