Modified porous silica, process for its manufacture and its use in paints and as a carrier pigments and dyes
US6146762A · kind A · utility
6Cited by
9References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 16, 1998 |
| Grant date | Nov 14, 2000 |
| Priority date | — |
| Expiry date | Apr 16, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2998
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to porous silicas in which the pores are at least partially filled with polyamide resins. They can be employed as additives to liquid paints, as carriers for pigments and/or dyes, as antiblocking agents for folded or wound films made of olefinic material and in cosmetic, pharmaceutical and/or dermatological compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.