Reactor
US4432940A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 15, 1982 |
| Grant date | Feb 21, 1984 |
| Priority date | — |
| Expiry date | Mar 15, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G63/785
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
In a reactor, for the continuous polymerization of feed materials to higher viscosity process fluid, comprising a vertical, hollow vessel having an inlet for the introduction of feed materials, an outlet for the discharge of process product and an exhaust for reaction vapors; and means for heating the vessel; the improvement comprising a draft tube, partially immersed vertically in the process fluid, the non-immersed end of the tube having at least one annular plate on the periphery thereof which overhangs the process fluid; and an impeller, located within the draft tube and propelling the process fluid up the draft tube and over the plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.