Polymer lined capillary column and method for producing same
US4054432A · kind A · utility
9Cited by
4References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 11, 1976 |
| Grant date | Oct 18, 1977 |
| Priority date | — |
| Expiry date | Jun 11, 1996 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2220/86
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A polymer lined capillary column for use in gas chromotagraphy has a thin layer of ethoxycarbonyl substituted polyphenylene resin solvent deposited and uniformly coated on the interior surface of the base column as a support for a stationary phase, the resin coated column further including a separate stationary phase with the resin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.