In Baker Petrolite Corp

In Baker Petrolite Corp.v.Canwell Enviro-Industries Ltd.,Canwell developed a chemical formula that it began selling.Just over a year later,it applied for a patent.What was the result?

A) Canwell was not entitled to a patent. A formula cannot qualify as an invention capable of being protected by patent.
B) Canwell was not entitled to a patent. A corporation cannot seek patent protection, only an individual can.
C) Canwell was not entitled to a patent. To qualify as "new", the invention must not have been disclosed more than a year prior to application.
D) Canwell was not entitled to a patent. Patent protection can only be extended to mechanical, not chemical, inventions.
E) Canwell was entitled to a patent, as all of the necessary elements had been satisfied.