【発明の名称】ポリアミノ酸の製造方法

Title:

【発明の名称】ポリアミノ酸の製造方法

Document Type and Number:

Japanese Patent JP3499559

Kind Code:

B2

Abstract:

PCT No. PCT/FR94/00992 Sec. 371 Date Mar. 28, 1996 Sec. 102(e) Date Mar. 28, 1996 PCT Filed Aug. 9, 1994 PCT Pub. No. WO95/04772 PCT Pub. Date Feb. 16, 1995The present invention relates to a method for the preparation of polyamino acids, with controlled molecular weights, by polymerization of N-carboxyanhydrides (NCAs) of at least one amino acid, using at least one initiator of the strong base type and in liquid medium, characterized in that it consists in including, in the liquid reaction medium, given amounts of water and/or of alcohol. Application: synthesis of polyamino acids with mechanical and rheological characteristics adapted to applications as biomaterials.

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Inventors:

Surah, Gerard
Grocerin, Gin-Michelle
Jorda and Rafael
Castane, Katerine

Application Number:

JP50626095A

Publication Date:

February 23, 2004

Filing Date:

August 09, 1994

Export Citation:

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Assignee:

FLAMEL TECHNOLOGIES

International Classes:

A61L17/10; A61L17/00; A61L26/00; A61L27/00; A61L27/22; C08G69/10; (IPC1-7): C08G69/10

Other References:

【文献】米国特許3536672(US,A)
【文献】英国特許出願公開1202765(GB,A)
【文献】英国特許出願公開1024393(GB,A)
【文献】英国特許出願公開996760(GB,A)

Attorney, Agent or Firm:

Takehiko Suzue (3 outside)

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