Statistical process control for air separation process
US5257206A · kind A · utility
95Cited by
19References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 8, 1991 |
| Grant date | Oct 26, 1993 |
| Priority date | — |
| Expiry date | Apr 8, 2011 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25J2290/10
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Statistical process control system for an air-separation plant using off-line and on-line computer means to define control chart limits, trend thresholds and dynamic models for use with on-line process variable data for determination of statistical process control.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.