Ethyl Gasoline Corp. v. Coe

MILLER, Associate Justice.

In this case the application for patent related to methods for improving the operation of internal combustion engines, such as automobile engines, involving the use of anti-knock agents; and to products comprising motor fuels and anti-knock materials. All the claims involved antiknock agents composed of three or more of the following lead alkyl compounds: lead tetra-methyl, lead tri-methyl ethyl, lead di-methyl di-ethyl, lead tri-ethyl methyl, lead tetra-ethyl. The applicant’s claims emphasized, particularly, the use in combination of lead tri-methyl ethyl, lead…