Provided are a cell growth accelerator containing a polyphosphoric acid and a cell growth method in which cells are grown by adding the cell growth accelerator to a medium for cells of animals and plants or by using a glass or plastic cell cultivator containing or coated with the cell growth accelerator....http://www.google.com/patents/US6333193?utm_source=gb-gplus-sharePatent US6333193 - Cell growth accelerator and cell growth method using the same
