Infrared attenuation agent blends
US10934409B2 · kind B2 · utility
1Cited by
5References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 20, 2018 |
| Grant date | Mar 2, 2021 |
| Priority date | — |
| Expiry date | Feb 18, 2039 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04B2001/7691
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Inorganic infrared attenuation agent blends have been developed to improve the thermal insulation properties of polymeric foams such as polystyrene low density foams. The inorganic infrared attenuation agent blends can include two or more metal oxides such as silicon dioxide, manganese (IV) oxide, iron (III) oxide, magnesium oxide, bismuth (III) oxide, cobalt oxide, zirconium (IV) oxide, molybdenum (III) oxide, titanium oxide, and calcium oxide. In some preferred embodiments, the inorganic infrared attenuation agent blends can include four or more of these metal oxides.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.