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Patent Picks—Diffusion Profiling, Optical Tweezer, Fluorescent Microbe Detection and More
By: Rachel L. Grabenhofer, Cosmetics & Toiletries
Posted: September 18, 2013
page 3 of 4
It has been discovered that new classes of compositions, useful for transdermal delivery applications, can be prepared from just a few different compounds if thermodynamic conditions are within certain parameters. According to this patent, there exists a need for efficient transdermal compositions that can be adjusted by minor additions or subtractions to provide a “universal" transdermal composition without undue expenses due to using a plurality of different components.The compositions disclosed include at least one of the following components: a C1-C6 dialkyl, C12-C30 dialkyl quaternary ammonium salt, a C12-C30 fatty acid, a nitrogenous organic base, C12-30 fatty alcohol, monoglyceride or the reaction products thereof. These compositions are also useful, in combination with active agents, in the treatment of skin diseases, injuries, chronic conditions and the like.
'Greening' cosmetic packaging
US Patent 8536238
Publication date:Sept. 17, 2013
Assignee: King Abdulaziz City for Science and Technology
According to this patent, the majority of post-consumer waste plastic originates from packaging and containers. Shampoo bottles, among others, are frequently fashioned from high density polyethylene (HDPE); other containers are frequently produced from polyethylene terephthalate (PET). The invention described herein addresses the need for technology to convert unseparated, or at least not completely separated, mixtures of different types of post-consumer plastic articles into commercially useful structures.The mixtures of such articles contain polyethylene terephthalate (PET) and polystyrene (PS) and, optionally, also articles made of high density polyethylene (HDPE). This mixture is crushed and shredded to form plastic flakes, and these plastic flakes are then homogenized. Homogenization of the flakes can be carried out either by melt-blending them or by further comminution to produce very fine particles of the mixed plastics. The resulting homogenized mixture of plastic types is then compression molded into sheets.
Microbe detection using a fluorescence-based device
US Patent 8535937
Publication date: Sept. 17, 2013
Assignee: Neogen Corp.
The present invention relates to fluorescence-based devices for detecting microbial growth from test samples. Biological testing of food, pharmaceutical, cosmetic and related types of products involves the estimation of total numbers of bacteria, yeasts and molds, as well as concentrations of specific groups of organisms within the material. In relation, a widely used method known as the “Standard Plate Count” is used, which involves culturing a diluted sample of the product in an agar growth medium.