What is the fine-grained topic of the following text: Rolle, Switzerland – As previously announced, INEOS Barex AG, INEOS Barex USA LLC and MSM Poly LLC signed a Memorandum of Understanding for the potential sale of intellectual property (IP) and production support related to the Barex product line. Only return the topic.
Potential sale of intellectual property and production support of the Barex product line by INEOS Barex AG, INEOS Barex USA LLC and MSM Poly LLC.