Inventor · Spencerport, NY, US

Charles M. Darmon

18Patents
8h-index
19Co-inventors
65Inventor score

Filing activity: Dec 11, 1989 → Jul 16, 2004

Most-cited inventions

PatentTitleAreaCited byStatus
US6077651A Homogeneous single-part photographic color developing concentrate and method of making Physics 22 Expired
US6017687A Low replenishment color development using chloride ion-free color developer concentrate Physics 22 Expired
US5037725A Process for stabilizing photographic elements Physics 18 Expired
US5523195A Photographic conditioning solution containing bleach accelerator, formaldehyde precursor and secondary amine and method of use Physics 15 Expired
US5552264A Photographic conditioning solution concentrate containing bleach accelerator and formaldehyde precursor and method of use Physics 12 Expired
US5262285A Methods and compositions for retouching film images Physics 9 Expired
US5118356A Process for cleaning a photographic processing device Chemistry; Metallurgy 9 Expired
US6136518A Multi-part photographic color developing composition and methods of manufacture and use Physics 9 Expired
US6228567A Homogeneous photographic color developing concentrate Physics 7 Expired
US5198141A Process for cleaning a photographic process device Physics 6 Expired
US6416940B2 Calcium ion stable photographic color developing composition and method of use Physics 6 Expired
US6403290B1 Calcium ion stable photographic color developing composition and method of use Physics 5 Expired
US5578427A Container having photographic conditioning solution concentrate Physics 3 Expired
US7014373B2 Photographic processing arrangement and a processing solution supply cartridge for the processing arrangement Physics 3 Expired
US6428946B2 Multi-part photographic color developing composition and methods of manufacture and use Physics 2 Expired
US6664036B1 Homogeneous single-part color developer per color film processing and method of using same Physics 0 Expired
US6436618B1 Multi-part photographic color developing composition and methods of manufacture and use Physics 0 Expired
US6998227B2 Color developer concentrate for color film processing Physics 0 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.