Insulative apparatus
US11104777B2 · kind B2 · utility
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11Claims
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Key dates
| Filing date | Jul 29, 2016 |
| Grant date | Aug 31, 2021 |
| Priority date | — |
| Expiry date | Aug 21, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2375/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Provided are insulative apparatus and methods of forming insulative apparatus. As an example, a method of forming an insulative apparatus can include connecting a barrier material to a mold; injecting a polyurethane foam composition into the mold, wherein the polyurethane foam composition includes a polyol, an isocyanate, and supercritical carbon dioxide; curing the polyurethane foam composition to form a polyurethane foam and applying a vacuum to the mold to provide a pressure from 1 millibar to 500 millibar.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.