Meritol developing agent (Unitol)

[Keith Tapscott.]

A Meritol developing agent patent is mentioned here in case it is of interest to anyone.
Not sure if it's relevant with modern films though.

Unitol Developer: Gone But Not Forgotten

A blog about photography and video as well as optics for wildlife watching. Plus what the photographic magazines don't tell us.

photovideooptics.blogspot.com

 

[Peter Schrager]

Kool

 

[Alan Johnson]

-- Meritol Formulae --

These days the tendency for PPD to cause significant dermatitis has been recognized and it is little used.