Moulton who was born in Whorlton, County Durham, England, subsequently shared the samples with Thomas Hancock, who then beat Goodyear to a UK patent for the vulcanization process by a matter of a few weeks in 1843.
After various disputes with Hancock and Goodyear over patents and manufacturing rights Moulton established his own factory in 1848 at Kingston Mill near Bradford-on-Avon, Wiltshire, England. His company, George Spencer, Moulton & Co., specialised in rubber applications for engineering industries and in 1855 acquired the Middle Mill adjacent to the existing factory along with the neighbouring Staverton woollen mill between 1851 and 1860. With the increasing importance of the British railway industry he concentrated on providing rubber suspension systems and components for railway carriages.
In 1891, eleven years after Moulton's death at Kingston Mill, his company amalgamated with that of George Spencer in London to become George Spencer Moulton & Co. Ltd., which subsequently became part of Avon Rubber.
Moulton's great-grandson Dr Alex Moulton was himself a pioneer of rubber engineering, being responsible for many innovations including the rubber suspension system he designed for the innovative BMC car the Mini.
- "Other [Wiltshire] industries". British History Online. Retrieved 26 July 2015.