Patents

Process for the preparation of a polyester

Polyesters may be prepared by reacting an aryl diiodide, an aliphatic or aryl diol and carbon monoxide in presence of a catalyst and an organic base. The process is preferentially carried out in a solvent. The catalyst is a heterogeneous catalyst containing a metal selected from a group containing Palladium, Platinum, Nickel and Cobalt. Following the formation of polyester, the catalyst can be easily separated and efficiently recycled.

Filing Date: 31-01-2001

Issue Date: 02-06-2004

Patent No: EP1229064 [Europe]

Application No: EP20010300879

Inventor(s): Kelkar, Ashutosh Anant; Kulkarni, Shrikant Madhukar; Chaudhari, Raghunath Vitthal

Licensing Option: Laboratory willing to jointly develop technology with industrial partner.

Implementing institute: CSIR-National Chemical Laboratory [CSIR-NCL]

Funding agency: Council of Scientific and Industrial Research (CSIR)

IPC Classification: C08G63/40

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