CH88-4 CELL LINE (ATCC® HB-9874™) General Information Print Email Share Share this product Facebook Twitter Google+ Designation / Description CH88-4 CELL LINE U.S. Patent Number 5,993,813 Biosafety Level 2 Shipped FZ Disclosure This material is cited in a U.S. and/or other Patent or Patent Application, and may not be used to infringe on the patent claims. ATCC is required to inform the Patent Depositor of the party to which the material was furnished.