Type of I.P :
Patent A government authority or licence conferring a right or title for a set period, especially the sole right to exclude others from making, using, or selling an invention.
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Others Trade Secerts, Innovative Step, Creative etc
Patent Title : Method and Composition for Making Watertight Cement Based Concrete Product Utilizing Silica Nanoparticles and Rice Husk Ash
Patent Registration No : To be provided
R&D The invention is at the lab stage or proof concept stage
Pre-Commercial The invention is currently in the process of field testing
Ready For Market Invention is ready to be licensed out or sold
Selling Method :
Exclusive Licensing No person or company other than the named licensee can exploit the relevant intellectual property rights. Importantly, the licensor is also excluded from exploiting the intellectual property rights.
Licensing Authorization to use a particular patent. Licensee may not be the only one licensed to exploit the intellectual property.
Assignment The sale of ownership to the individual assigning the intellectual property.
Product Year :
A method of production of a watertight ternary blended concrete product to highly reduce multiple water absorption values includes the steps of providing a cement mortar mixture, introducing ultrahigh reactive activators to the cement mortar mixture to lower porosity by densifying the cement mortar mixture and accelerating multiple cement hydration particles. Particularly, the activators include multiple nanoparticles. The method further includes, mixing the cement mortar mixture and the multiple nanoparticles with an inorganic binder and water to form the concrete product.
- environmental friendly
- improve performance
Silica powder at nanoscale was obtained by heat treatment of Vietnamese rice husk following the sol–gel method. The rice husk ash (RHA) is synthesized using rice husk which was thermally treated at optimal condition at 600°C for 4 h. The silica from RHA was extracted using sodium hydroxide solution to produce a sodium silicate solution and then precipitated by adding H2SO4 at pH = 4 in the mixture of water/butanol with cationic presence. In order to identify the optimal condition for producing the homogenous silica nanoparticles, the effects of surfactant surface coverage, aging temperature, and aging time were investigated. By analysis of X-ray diffraction, scanning electron microscopy, and transmission electron microscopy, the silica product obtained was amorphous and the uniformity of the nanosized sample was observed at an average size of 3 nm, and the BET result showed that the highest specific surface of the sample was about 340 m2/g. The results obtained in the mentioned method prove that the rice husk from agricultural wastes can be used for the production of silica nanoparticles.
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