...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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| Number | Title | Issue Date |
| 8057745 | Catalyst system for vehicle exhaust gas purification devices, exhaust gas purification device using the same, and method for purification of exhaust gases The present invention provides a catalyst system for vehicle exhaust gas purification devices which exhibit excellent capacity of removing nitrogen oxide emissions from internal combustion engine exhaust gases when they are brought into contact with the catalyst eve... | 11/15/2011 |
| 7927699 | Porous zirconia powder and production method of same The present invention provides a porous zirconium powder having improved heat resistance of total pore volume, and a simple production method thereof. More specifically, the present invention provides: (1) a porous zirconium powder in which total pore v... | 04/19/2011 |
| 7871950 | Colored zirconia-based sintered body and manufacturing method thereof and decorative member This invention provides a colored zirconia-based sintered body, mainly composed of zirconia containing a stabilizer, which contains alumina and nickel spinel, and has a novel color tone, and a method for manufacturing such a zirconia-based sintered body. The colored... | 01/18/2011 |
| 6255242 | Zirconium- and cerium-based mixed oxide and method of production thereof A zirconium- and cerium-based mixed oxide having good thermal stability and oxidation-reduction performance, in particular, is provided. The mixed oxide which comprises zirconium and cerium is characterized in (1) that cubic phase purity of a zirconia- an... | 07/03/2001 |
| 6150299 | Cerium- and zirconium-based mixed oxide, method of producing same and catalyst material for exhaust gas purification Mixed oxides excellent in thermal stability of specific surface area and in oxidation-reduction performance are provided on an industrial scale. Catalyst materials useful in exhaust gas purification are also provided. The invention is concerned with mixed... | 11/21/2000 |
| 4526765 | Methods for preparing amorphous zirconium phosphosilicate The present invention provides novel amorphous phosphosilicates represented by the formulae Zr(PO4)2y (SiO2)z.n'H2 O (I) and M2/l Zr(PO4)2y (SiO2).n'H2 | 07/02/1985 |