Patent ID: 11857970
Assignee: CORNING INCORPORATED
Field: Biotechnology (Chemistry)
Classification: CPC B  C | IPC B  C

Claim 0:
1. A cell culture vessel comprising:
a cell culture surface comprising a plurality of microcavities, wherein a first side and a second side of the cell culture surface comprise a non-flat sinusoidal shape;
a wall attached to the cell culture surface, wherein the cell culture surface and an inner surface of the wall define a cell culture chamber of the vessel;
a necked opening opposite the wall;
a lid opposite the cell culture surface;
wherein the cell culture surface is substantially free of flat areas; and
wherein the necked opening comprises an inner surface and a bend, the bend having an obtuse angle on a bottom portion of the inner surface and the bend having a location higher than the cell culture surface when the cell culture surface is approximately perpendicular to the direction of gravity.