Process for production of condensation polymers
US5635589A · kind A · utility
2Cited by
10References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 31, 1996 |
| Grant date | Jun 3, 1997 |
| Priority date | — |
| Expiry date | May 31, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C48/03
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Disclosed is a process for increasing the molecular weight of condensation polymers involving the use of a high velocity rarefied inert gas sweep in the polymer finishing process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.