Patent 4070244 Issued on January 24, 1978. Estimated Expiration Date: January 24, 1995. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
Ubiquinone-10 is produced by culturing a microorganism belonging to the genus Sporidiobolus or Oosporidium and capable of producing ubiquinone-10, causing the microorganism to accumulate ubiquinone-10 and recovering ubiquinone-10.
mcCormick et al., Methods in Enzymology, vol. XVIII, Part C, pp. 141 & 216-226 (1971)