Three dimensional patterned porous structures
US6627291B1 · kind B1 · utility
11Cited by
9References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 13, 2000 |
| Grant date | Sep 30, 2003 |
| Priority date | — |
| Expiry date | Oct 22, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/249992
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention provides new patterned porous substrates and a new method for forming the new patterned porous substrates containing one or more selected patterns which is applicable to all porous structures regardless of their polymeric content, their method of manufacture or their UV absorbing characteristics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.