Layered flask cell culture system
US9783769B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 16, 2009 |
| Grant date | Oct 10, 2017 |
| Priority date | — |
| Expiry date | Sep 21, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12M37/02
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
The present invention is a cell cultivating vessel or device, such as a single or multitier flask, including a cover having a top plate, a side wall and a resealable port; an intermediate tray for receiving cells and cell culture media, having a bottom plate, a side wall, and a gap region formed between an interior upwardly angled lip located on an interior portion of the intermediate tray bottom plate and an adjacent outwardly angled side wall portion of the intermediate tray bottom plate, wherein the lip has a outwardly swooping curvilinear edge feature; and a base tray for receiving the cells and cell culture media, including a bottom plate and a side wall. The intermediate tray is positioned between the cover and the base tray, such that the gap region of the intermediate tray bottom plate is in alignment with the port located on the cover, resulting in the port, the intermediate tray and the base tray in fluid communication with one another which provides direct access, such as by a user to remove and/or add cells, cell media, and nutrients located on each of the intermediate and/or the base trays. Alternatively, the cell cultivating flask includes a plurality of intermediate …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.