Biocidal granule, in particular for making asphalt shingle
US9220260B2 · kind B2 · utility
0Cited by
1References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 4, 2006 |
| Grant date | Dec 29, 2015 |
| Priority date | — |
| Expiry date | Oct 20, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24388
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention relates to biocidal granules composed of a mineral core coated with at least one porous inorganic layer including at least one organic compound capable of limiting or preventing the growth of microorganisms, in particular of algae.The invention also relates to a sol-gel process for the preparation of the biocidal granules and to the use of these biocidal granules in building materials, in particular shingles and siding coatings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.