Niedenzu
Dominik Niedenzu, Kassel DE
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20150328399 | PUMP FOR MEDICAL PURPOSES - A medical fluid pump, comprising a first, inner fluid system including a motor-driven suction/pressure unit and a first fluid pressure chamber which can be filled with fluid and emptied by the suction/pressure unit, and a second, outer fluid system including a second fluid pressure chamber which is coupled to the first pressure chamber in a pressure- and/or volume-dynamic manner via a movable separating wall and which is alternately coupled—via a valve means of the second fluid system—to a suction line and pressure line depending on the current working phase of the suction/pressure unit of the first fluid system is disclosed. | 11-19-2015 |
Philipp M. Niedenzu, Wilmington, DE US
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20080280142 | Preparation of organic additive-treated, pyrogenic silica-encapsulated titanium dioxide particles - One aspect of the invention is to provide a composition comprising a titanium dioxide particle having on the surface of said particle a substantially encapsulating layer comprising a pyrogenically-deposited metal oxide; said substantially encapsulating layer having on its surface at least one organic surface treatment material selected from an organo-silane, an organo-siloxane, a fluoro-silane, an organo-phosphonate, an organo-acid phosphate, an organo-pyrophosphate, an organo-polyphosphate, an organo-metaphosphate, an organo-phosphinate, an organo-sulfonic compound, a hydrocarbon-based carboxylic acid, an associated ester of a hydrocarbon-based carboxylic acid, a derivative of a hydrocarbon-based carboxylic acid, a hydrocarbon-based amide, a low molecular weight hydrocarbon wax, a low molecular weight polyolefin, a co-polymer of a low molecular weight polyolefin, a hydrocarbon-based polyol, a derivative of a hydrocarbon-based polyol, an alkanolamine, a derivative of an alkanolamine, an organic dispersing agent, or a mixture thereof. Another aspect of the invention is to provide processes for producing said composition. | 11-13-2008 |
20100324186 | PREPARATION OF ORGANIC ADDITIVE-TREATED, PYROGENIC SILICA-ENCAPSULATED TITANIUM DIOXIDE PARTICLES - One aspect of the invention is to provide a composition comprising a titanium dioxide particle having on the surface of said particle a substantially encapsulating layer comprising a pyrogenically-deposited metal oxide; said substantially encapsulating layer having on its surface at least one organic surface treatment material selected from an organo-silane, an organo-siloxane, a fluoro-silane, an organo-phosphonate, an organo-acid phosphate, an organo-pyrophosphate, an organo-polyphosphate, an organo-metaphosphate, an organo-phosphinate, an organo-sulfonic compound, a hydrocarbon-based carboxylic acid, an associated ester of a hydrocarbon-based carboxylic acid, a derivative of a hydrocarbon-based carboxylic acid, a hydrocarbon-based amide, a low molecular weight hydrocarbon wax, a low molecular weight polyolefin, a co-polymer of a low molecular weight polyolefin, a hydrocarbon-based polyol, a derivative of a hydrocarbon-based polyol, an alkanolamine, a derivative of an alkanolamine, an organic dispersing agent, or a mixture thereof. Another aspect of the invention is to provide processes for producing said composition. | 12-23-2010 |
Philipp Martin Niedenzu, Wilmington, DE US
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20150064068 | DEVICES FOR DETERMINING PHOTOPROTECTIVE MATERIALS - This invention provides methods and apparatus for quantification of photoprotective performance of packaging concepts in an accelerated timeframe. In certain embodiments, the apparatus comprises a light source which provides a light beam that impinges upon a photoprotective material before being transmitted to a sample cell comprising a photosensitive entity, such as a photosensitive nutrient. In certain embodiments, the apparatus and methods can be used to generate models for the prediction of photoprotective performance values of untested materials based upon some other known qualitative or quantitative property. | 03-05-2015 |
20150093832 | METHODS FOR PRODUCING NEW PACKAGING DESIGNS BASED ON PHOTOPROTECTIVE MATERIALS - This invention provides methods and apparatus for quantification of photoprotective performance of packaging concepts in an accelerated timeframe. In certain embodiments, the apparatus comprises a light source which provides a light beam that impinges upon a photoprotective material before being transmitted to a sample cell comprising a photosensitive entity, such as a photosensitive nutrient. In certain embodiments, the apparatus and methods can be used to generate models for the prediction of photoprotective performance values of untested materials based upon some other known qualitative or quantitative property. | 04-02-2015 |
Thomas Niedenzu, Oelde DE
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20150036372 | LIGHTING DEVICE FOR VEHICLES - A lighting device for vehicles having an optical fiber including a flat segment with two opposing flat sides, a light decoupling area, and a light coupling area. The light decoupling area in which light relayed by the flat sides is output in the primary direction of emission. The light coupling area couples the light into the optical fiber, and is arranged on a free end of a light coupling element which is perpendicular to the flat segment and projects from the same. A deflection structure is arranged between the light coupling element and the flat segment for the purpose of deflecting the light toward the flat segment. A rigid circuit board runs parallel to the flat segment. The circuit board is configured with a number of light sources which are each functionally assigned to the light coupling elements. | 02-05-2015 |