Sustainable polyester resin of defined acid value
US9323167B2 · kind B2 · utility
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2References
14Claims
0Family size
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Key dates
| Filing date | Oct 22, 2013 |
| Grant date | Apr 26, 2016 |
| Priority date | — |
| Expiry date | Feb 27, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/0806
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The disclosure describes a process for making a polyester resin of defined acid value using a temperature-sensitive reaction and dipropylene glycol as a reagent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.