Process for producing polylactide
US9777109B2 · kind B2 · utility
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1References
8Claims
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Assignee
Inventors
Key dates
| Filing date | Dec 9, 2014 |
| Grant date | Oct 3, 2017 |
| Priority date | — |
| Expiry date | Dec 9, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C59/08
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to an improved process for producing polylactide where the goal is to recover a maximum of useful matters in order to recycle without loss and so significantly improving the global yield of the production process of polylactide when starting from lactic acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.