Amidation catalyst concentrates
US5420230A · kind A · utility
0Cited by
7References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 20, 1993 |
| Grant date | May 30, 1995 |
| Priority date | — |
| Expiry date | Sep 20, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G69/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Disclosed is a process for preparing nylon by adding an amidation catalyst concentrated in "masterbatches" to the process melt resulting in a product with increased molecular weight and viscosity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.