Agfa-gevaert Ag

Miles Inc.

Agfa Aktiengesellschaft Ag

Gunter Junkers

Klaus Wagner

Friedhelm Sommer

Gunter Renner

Karlheinz Hildenbrand

Johannes Sobel

Helmut Engelmann

Manfred Faust

Willi Spiegel

Gunter Metz

Werner Lessnig

Gerald Karich

A color photographic recording material comprising a support and at least one photosensitive silver halide emulsion layer, with which a yellow coupler of the pivaloyl or benzoyl acetanilide type dissolved in a polymeric ester of aromatic or aliphatic dicarboxylic acids is associated, is distinguished by greater color purity and better dark-fading stability.

Color photographic material with polyester oil former

In combination with oil formers of the alkylphenol type, 3-anilinopyrazolones show absorption maxima displaced by about 8 to 12 nm towards longer wavelengths and a blue secondary absorption further displaced towards the UV range and, hence, a reduced yellow secondary density.

Color photographic recording material

Process for the production of a test devices using extruder casting machines or cascade casting machines is disclosed in which reagent zones are produced on a common surface with remaining portion of test device such that reagent zone is protected by being in the same plane as a portion of the test device. The process permits application of reagent material to matrix areas without interaction of the reagents or the loss of reagents due to extraction during the process of forming the test device.

Process for the production of test strips by casting method

An apparatus for automatically determining the surface tension by the stalagmometer principle using a pipette containing a test volume, having a drop face at its lower end and is provided with three light barriers. The three light barriers are connected to an evaluation circuit which counts the number of whole drops and also determines the fractions of whole drops pertaining to the test volume.

Apparatus for measuring surface tension

Growing community of inventors

Leverkusen, Germany

Gunter Junkers