Nonaqueous detergent compositions comprising clay soil...

G - Physics – 02 – B

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G02B 13/08 (2006.01) G02B 3/06 (2006.01) G03B 15/05 (2006.01) G03B 19/04 (2006.01)

Patent

CA 2166886

An anamorphic lens 10 having a first surface 14 which has either a cylindrical or an acylindrical radius of curvature, and a second surface 16 having either a cylindrical or an acylindrical radius of curvature. Each surface has a primary longitudinal axis 22, 24, which is preferably but not necessarily orthogonal to the optical axis 18 of the lens 10; and the longitudinal axes are crossed. Preferred applications for the anamorphic lens include non-image forming illumination systems wherein independent illumination control in two coplanar directions at the object is desired. A process for recycling a single use camera having such an anamorphic lens is also disclosed.

La présente invention concerne une composition détergente qui est non aqueuse et qui se présente sous la forme d'un liquide, d'un gel ou d'une pâte. Cette composition comprend un agent de blanchiment et un polymère spécial pour enlever les salissures argileuses.

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