公开(公告)号：WO2016120893A3

公开(公告)日：2016-11-10

申请号：PCT/IN2016050033

申请日：2016-01-29

Applicant: COUNCIL SCIENT IND RES

Inventor： NEVARE YOGESH RAMESH ,  IDAGE SUSHEELA BHASKAR ,  IDAGE BHASKAR BHAIRAVNATH ,  SIVARAM SWAMINATHAN

IPC: C07C67/08 ,  C08G63/06 ,  C08G63/78 ,  C08G63/82

CPC classification number: C07C67/08 ,  C08G63/06 ,  C08G63/78 ,  C08G63/823 ,  C08G63/85 ,  C07C69/68

Abstract: The present invention relates to a novel process for the preparation of a linear monomer alkyl lactyl lactate by a simple esterification reaction of acid with ester in presence of suitable catalysts or reagents. The present invention further relates to a process for the preparation of poly acid from alkyl lactyl lactate by using suitable catalyst.

Abstract translation: 本发明涉及通过在合适的催化剂或试剂存在下通过酸与酯的酯化反应来制备线性单体乳酸乳酸烷基酯的新方法。 本发明还涉及通过使用合适的催化剂从乳酸乳酸乳酸制备聚酸的方法。

公开(公告)号：BR112012030397A2

公开(公告)日：2016-08-09

申请号：BR112012030397

申请日：2011-06-02

Applicant: COUNCIL SCIENT IND RES

Inventor： IDAGE BHASKAR BHAIRAVNATH ,  SWAMINATHAN SIVARAM ,  IDAGE SUSHEELA BHASKAR

IPC: C08G63/80 ,  C08G63/664 ,  C08G63/81 ,  C08G63/91

Abstract: copoliésteres de ácido láctico-isossorbeto e processo para sua preparação. a presente invenção refere-se a copoliéster com aperfeiçoada temperatura de transição (tg), temperatura de fusão (tm) e cistalinidade compreendendo unidades derivadas de ácido láctico e isissorbeto, onde a razão de ácido láctico para isossorbeto varia de 99:1 a 50:50.