Separation of more planar molecules from less planar molecules
US4267055A · kind A · utility
5Cited by
4References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 4, 1979 |
| Grant date | May 12, 1981 |
| Priority date | — |
| Expiry date | Sep 4, 1999 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C7/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Planar organic molecules, such as divinylbenzene or para-dioxin molecules, are adsorbed from mixtures of planar and non-planar molecules, such as commercial divinylbenzenes containing non-planar ethylvinylbenzene, or commercial 2,4,5-T herbicide containing non-planar 2,4,5-trichlorophenoxyacetic acid, by partially pyrolyzed, macroporous, resinous polymer particles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.