Process for producing polyesters
US5602199A · kind A · utility
0Cited by
2References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 30, 1995 |
| Grant date | Feb 11, 1997 |
| Priority date | — |
| Expiry date | Jun 30, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G63/81
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Disclosed herein is a process for the manufacture of polyesters which involves heating polymerizable monomers, oligomers or low molecular weight polymers in a mixture of a solvent and non-solvent. The polymerization by-product is codistilled from the boiling solvent/non-solvent mixture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.