Immobilization of biological materials in condensed polyalkyleneimine polymers
US4434228A · kind A · utility
27Cited by
6References
34Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 20, 1982 |
| Grant date | Feb 28, 1984 |
| Priority date | — |
| Expiry date | Apr 20, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12P13/20
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
Biological materials are immobilized within condensed polyalkyleneimine polymers. Condensation of the polymer is accomplished by bridging the amine groups of polyalkyleneimine polymer chains with a polycarboxylic acid, in the presence of a condensing agent. d
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.