Chromatography tube
US4070285A · kind A · utility
12Cited by
3References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 24, 1975 |
| Grant date | Jan 24, 1978 |
| Priority date | — |
| Expiry date | Dec 24, 1995 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N30/6052
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A column for use in liquid chromatographic processes wherein the column is formed with an external reinforcing sleeve that has been found to contribute dimensional stability which results in surprising and important advantages in improving chromatographic performance. Another aspect of the invention comprises the preparation of the internal wall of the column which has an advantageous finish of 32 micro inches or better.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.