Process for the manufacture of polyamide from diamine and dinitrile utilizing (1) copper containing compound and (2) oxygen containing compound of phosphorus or sulfur as catalyst mixture
US4725666A · kind A · utility
17Cited by
1References
15Claims
0Family size
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Key dates
| Filing date | Jun 6, 1986 |
| Grant date | Feb 16, 1988 |
| Priority date | — |
| Expiry date | Jun 6, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G69/28
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Polyamides are produced from diamines, dinitriles, and water in contact with a two-component catalyst system comprising (1) at least one copper containing compound and (2) at least one oxygen containing compound of phosphorus or sulfur.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.