Sartorius has filed a patent for a biocontainer that includes a rigid frame with a lattice core and a flexible membrane. The membrane can adjust to changes in the volume of biomaterial sealed within the container as the temperature of the biomaterial changes. GlobalData’s report on Sartorius gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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According to GlobalData’s company profile on Sartorius, Hydrogen fuel cells was a key innovation area identified from patents. Sartorius's grant share as of September 2023 was 55%. Grant share is based on the ratio of number of grants to total number of patents.

Biocontainer with flexible membrane and lattice core frame

Source: United States Patent and Trademark Office (USPTO). Credit: Sartorius AG

A recently filed patent (Publication Number: US20230310272A1) describes a new biocontainer design for storing biopharmaceutical compositions at extremely low temperatures. The biocontainer consists of a rigid frame with a lattice core and a flexible membrane that forms a sealed interior.

The patent claims that the biocontainer can remain sealed at temperatures as low as -196°C, making it suitable for cryogenic freezing of biopharmaceutical compositions. The container also includes tubes that extend through the frame and are in fluid communication with the interior, allowing for easy loading and unloading of the biopharmaceutical composition.

The patent also describes various methods of manufacturing the biocontainer. One method involves forming the rigid frame with a lattice core and attaching a flexible membrane to seal the interior. The lattice core can be over-molded or encapsulated within a sheath. The flexible membrane can be bonded to the sheath, forming a portion of the interior.

The frame of the biocontainer can also have a stacking feature on a major surface, allowing for easy stacking of multiple biocontainers. Additionally, the frame can serve as an exoskeleton for the biocontainer, providing structural support.

Overall, this patent introduces a new design for a biocontainer that can effectively store biopharmaceutical compositions at extremely low temperatures. The design includes a rigid frame with a lattice core, a flexible membrane, and tubes for fluid communication. The patent also describes various manufacturing methods for the biocontainer, including over-molding, encapsulation, and additive manufacturing techniques. This innovation has the potential to improve the storage and preservation of biopharmaceuticals, ensuring their efficacy and safety.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies