De Siqueira
Dener De Siqueira, Belo Horizonte BR
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20150209829 | EXTRACTION PROCESS OF CLAY, SILICA AND IRON ORE BY DRY CONCENTRATION - This disclosure relates to a water-less extraction process to collect clay, silica and iron ore from tailings taken from tailings dams and deposits by drying, dry sifting, density separation, mechanical friction separation, air classification separation, milling and magnetic separation. This is achieved by using pieces of equipment arranged in sequential order, as follows: a horizontal rotary sieve ( | 07-30-2015 |
Joao Maximo De Siqueira, Cadiz ES
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20110059850 | PHYTOTOXIC HALOGENATED DERIVATIVES OF BENZOXAZINONES - The invention relates to phytotoxic halogenated derivatives of benzoxazinones. The aim of the invention relates to the production of novel phytosanitary products that are suitable for agricultural weed control, based on natural chemical substances. The invention comprises novel chemical compounds having high levels of phytotoxic activity and the preparation methods thereof. Said substances are derived from natural products with the 1,4-benzoxazin-3-one skeleton involved in different chemical defense interactions in plants. The inventive compounds have suitable phytotoxic activity levels for use in weed control and for use as stable models for the development of novel phytosanitary products based on the 1,4-benzoxazin-3-one skeleton. | 03-10-2011 |
Marcio Guidorizzi De Siqueira, San Jose, CA US
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20080212572 | Extended Handset Functionality and Mobility - A system includes an enterprise network having a call control system that manages telephony services for wireless handsets. At a remote site, a computing device establishes a secure, wireline communication session with the enterprise network. The computing device also establishes wireless, packet-based links with one or more handsets. The device acts as a relay to enable the handsets to receive telephony services managed by the enterprise network even though outside of the service area of the enterprise network. | 09-04-2008 |
Paula Fernandes De Siqueira, Parana BR
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20100192815 | Process and Related Equipment for Burning Industrial Plant Waste - The present invention is directed to a process for burning industrial plant waste, equipment for burning such waste, and a steam-generating boiler that uses the calorific power of the waste for generating energy without polluting the atmosphere. The present process is carried out by controlling the viscosity of the waste, thus burning same out, and the generated steam is advantageously used for the generation of energy through a generator. | 08-05-2010 |