Method of producing polycarbonate pellets
US5762851A · kind A · utility
3Cited by
2References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 16, 1997 |
| Grant date | Jun 9, 1998 |
| Priority date | — |
| Expiry date | Jan 16, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29K2069/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method for producing a polycarbonate pellet which comprises subjecting a melt-extruded polycarbonate to a cooling step and a cutting step, the steps being carried out in either order or simultaneously, and wherein the cooling step is performed by contacting the polycarbonate with a cooling water having an electric conductivity of 1 mS/cm or less as measured at 25.degree. C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.