University Of The Witwatersrand Johannesburg patents

Method of manufacturing an object with microchannels provided therethrough

This invention relates to a method of manufacturing an object with microchannels provides therethrough, and more particularly, but not exclusively, to a method of manufacturing a micro heat exchanger with microchannels provided therethrough. The method includes the steps of providing a metal base layer made from a first metal; forming... University Of The Witwatersrand Johannesburg

Ceramic composite and method to prepare the composite

The present invention provides for carbide ceramic matrix composite comprising Cf/C—SiC-xMC wherein Cf/C is a carbon fibre reinforced carbon matrix, x is at least 2, and wherein MC are carbides of transition metals with M being at least two different transition metals selected from the group consisting of titanium, zirconium,... University Of The Witwatersrand Johannesburg

Wound dressing

This invention relates to a wound dressing, particularly to a stimuli responsive wound dressing comprising a lyophilized hyaluronic acid (HA) hydrogel, and a plurality of devices embedded within said lyophilized hyaluronic acid hydrogel. Each of the plurality of devices including chitosan and hypromellose and may be formed as biofilms and/or... University Of The Witwatersrand Johannesburg