Ring-opened polynorbornenes
US7230058B2 · kind B2 · utility
0Cited by
11References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 27, 2006 |
| Grant date | Jun 12, 2007 |
| Priority date | — |
| Expiry date | Feb 27, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S525/94
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The disclosure is directed to a partially hydrogenated ring-opened polynorbornene and a process for making the same. The ring-opened polynorbornene is low in birefringence, high in wavelength dependency about birefringence and excellent in transparency and heat resistance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.