John Mercer (scientist)

John Mercer JP
John Mercer (scientist)
Born	21 February 1791 Great Harwood, Lancashire, England
Died	30 November 1866 (aged 75) Great Harwood, Lancashire, England
Occupations	Dye and Fabric Chemist Fabric Printer
Spouse	Mary Wolstenholme ​ (m. 1814)​
Children	6

John Mercer JP (21 February 1791 – 30 November 1866) was an English dye and fabric chemist and fabric printer born in Great Harwood, Lancashire. In 1844 he developed a process for treating cotton, mercerisation, that improves many of its qualities for use in fabrics.