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...that two musicians were responsible for the invention of color print film? Fascinated by photography, Leopold Godowsky and Leopold Mannes worked together to produce an easy-to-use, practical color film. They worked full time as music teachers and gave concerts while experimenting during their off hours in Mannes' kitchen. Their success earned them full-time, well-paying jobs at Kodak and their efforts resulted in Kodachrome film, which was introduced in 1935.

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Inventor: David C. Alexander


Address: Austin, TX
No. of applications: 2
Last application issue date: 12/06/2012

Application No.Application TitleIssue Date
20120309884PREPARATION AND USE OF POLYMERIC DISPERSANT COMPOSITIONS
Embodiments of the present invention disclose polymeric dispersants that are the reaction product of a polymeric acid and a hydrophilic amine....
12/06/2012
20050234216Polyether polyamine agents and mixtures therefor
Provided herein are polyamine precursors useful in the manufacture of epoxy resins. Use of a polyamine precursor according to the invention provides an epoxy resin formulation having an increased working time over prior art amines used for curing epoxies. Increased work...
10/20/2005
 
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