Polyester resin compositions, catalyst for polyester production, polyester film, and magnetic recording medium
US7709594B2 · kind B2 · utility
3Cited by
4References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 3, 2003 |
| Grant date | May 4, 2010 |
| Priority date | — |
| Expiry date | Oct 17, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31786
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A polyester composition produced without using an antimony compound as a polycondensation catalyst and including
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.