Tetrazole based linear polymers
US7557220B1 · kind B1 · utility
1Cited by
1References
8Claims
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Key dates
| Filing date | May 27, 2005 |
| Grant date | Jul 7, 2009 |
| Priority date | — |
| Expiry date | Oct 9, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G18/3842
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A linear isocyanate polymer produced by utilizing an effective amount of tetrazole diol or tetrazole polyol, reacting with an effective amount isocyanate resin, and cooling to room temperature producing a linear polyisocyanate polymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.