Patent ID: 8329470

Claim:
A method of storing a liquid mammalian cell culture medium, the method comprising storing the medium in a container, comprising: (i) a front panel and back panel, each of which is rectangular in shape and having a height to width ratio of between 1.0 to 1.0 and 3.5 to 1.0; (ii) two side panels each having five edges, wherein two of the edges are vertical edges which are parallel to each other, wherein one of the edges is a horizontal edge, the horizontal edge being located at the bottom of the panel, and two of the edges are angled, upper edges which each extend upward, each from different vertical edges, and meet to form an upside down V; (iii) a base panel which is rectangular in shape; and (iv) a first and a second rectangular upper panels intercepting to form a first angle therebetween with respect to the base panel; wherein the above panels are referred to with reference to the container resting on the base panel, wherein at least one of the rectangular upper panels of (iv) comprises an access opening oriented at an ergonomically advantageous angle, wherein when a pipette is inserted perpendicular to the plane of said opening, the pipette can point directly at a corner formed by the interception of the back panel and the of the base panel, and wherein the container can rest stably, either in the vertical position on the base panel, or in the horizontal position on the back panel, without having the medium in contact with a cover on the access opening.