Subject correspondence file detailing patent applications by the Pumpherston Oil Company Limited titled 'Patent Specifications, etc'
code: 195535
Collection code:
195535
Collection:
Description
Subject correspondence file detailing patent applications by the Pumpherston Oil Company Limited. Correspondence mainly to and from the Offices for Patents and the Registration of Designs and Trade Marks. Some additional background on patents applications. Correspondence dates 11th January 1907 to 16th August 1916. Some patents metioned are: Manufacture of amulsifiable composition from hydro-carbon oils Lubricating Oils Treating vegetable and mineral oils Refining Mineral oils Obtaining Lubricating oil from Crude Oil Purifying Petroleum Oils
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