Process for making thermoplastic polyesters
US8772436B2 · kind B2 · utility
0Cited by
11References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 15, 2010 |
| Grant date | Jul 8, 2014 |
| Priority date | — |
| Expiry date | Sep 17, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G63/85
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention relates to a process for making a thermoplastic polyester, which comprises contacting at least one carboxylic acid-based compound and at least one alcohol-based compound in esterification and subsequent polycondensation reactions, in the presence of certain exfoliated inorganic nano-layered titanates acting as a catalyst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.