Polyamide
US7563557B2 · kind B2 · utility
1Cited by
3References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 11, 2005 |
| Grant date | Jul 21, 2009 |
| Priority date | — |
| Expiry date | Mar 7, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03F7/0388
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A polyamide having a structure represented by the chemical formula (1):wherein m and n represent an integer satisfying m≧1, n≧1, 2≦(m+n)≦150, 0.3≦m/(m+n)≦0.9, R1 and R2 represent at least one monovalent organic group containing a photopolymerizable unsaturated bond, X1 represents at least one tetravalent aromatic group, X2 represents at least one trivalent aromatic group, Y1 and Y2 represent at least one divalent organic group, and Z represents at least one monovalent organic group selected from mono-substituted amino and imido groups.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.