Preparation of nylon 66 polymers from 1,8-diazacyclotetradecane-2,7-dione
US5292857A · kind A · utility
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Key dates
| Filing date | Feb 22, 1993 |
| Grant date | Mar 8, 1994 |
| Priority date | — |
| Expiry date | Feb 22, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G69/36
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Nylon 66 polymer is prepared by condensation of a reaction mixture containing 1,8-diazacyclotetradecane-2,7-dione and nylon 66 salt and/or caprolactam.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.