Poly (ether ester amide) and poly (ether ester urethane) copolymers
US6835391B2 · kind B2 · utility
0Cited by
0References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 29, 2002 |
| Grant date | Dec 28, 2004 |
| Priority date | — |
| Expiry date | May 31, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2230/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention relates to new biologically degradable aliphatic copolymers of the polyesteramide or polyesterurethane type. The invention further relates to a method for preparing the copolymers and to products which can be manufactured from the new copolymers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.