Caprolactone ester polyurethane developer roller
US6117557A · kind A · utility
21Cited by
6References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 19, 1995 |
| Grant date | Sep 12, 2000 |
| Priority date | — |
| Expiry date | Apr 19, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31609
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A semiconductor developer roller having a conductive shaft and an outer member of caprolactone-ester-based polyurethane loaded with ferric chloride. The members have low environmental sensitivity and good electrical stability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.