Two step production of polycarbonates
US6734279B2 · kind B2 · utility
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31Claims
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Key dates
| Filing date | Nov 5, 2002 |
| Grant date | May 11, 2004 |
| Priority date | — |
| Expiry date | Nov 5, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2531/985
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Methods of synthesizing high molecular weight polycarbonate polymers are described. Also described are polycarbonates produced by these methods.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.