Polyester processes
US9328260B2 · kind B2 · utility
0Cited by
19References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 15, 2014 |
| Grant date | May 3, 2016 |
| Priority date | — |
| Expiry date | Mar 6, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G63/64
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Disclosed are processes for the preparation of rosin diols accomplished by the reaction of a rosin acid with a glycerine carbonate in the presence of a catalyst, and subsequently where the rosin diol can be reacted with a diacid to generate an amorphous polyester resin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.