Process of preparing a multilayer cholesteric film II
US6421107B1 · kind B1 · utility
24Cited by
13References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 3, 2000 |
| Grant date | Jul 16, 2002 |
| Priority date | — |
| Expiry date | Aug 24, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB42D25/364
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.