Dry culture media
US4565783A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 11, 1982 |
| Grant date | Jan 21, 1986 |
| Priority date | — |
| Expiry date | Jan 11, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S435/805
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
A device for culturing microorganisms is described comprising a body member comprising a self-supporting, water-proof substrate; a layer of adhesive coated on the substrate, the adhesive being non-inhibitory to the growth of microorganisms; and a cold-water-soluble powder adhered uniformly to the surface of the adhesive, the powder comprising a gelling agent and/or nutrients for growing microorganisms. Another device is described comprising a body member comprising a self-supporting, water-proof substrate; a coating coated directly on the substrate, the coating being substantially water-free and consisting essentially of a cold-water-reconstitutable material comprising a gelling agent and/or nutrients for growing microorganisms; and a cover sheet releasably adhered to the bottom member, the cover sheet being substantially impermeable to bacteria and water vapor. The devices are activated by the addition of water or an aqueous test sample.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.