Invention Grant
US07651731B2 Niobium-based compositions and coatings, niobium oxides and their alloys applied by thermal spraying and their use as an anticorrosive
失效
铌基组合物和涂料，铌氧化物及其通过热喷涂应用的合金及其作为防腐剂的用途
- Patent Title: Niobium-based compositions and coatings, niobium oxides and their alloys applied by thermal spraying and their use as an anticorrosive
- Patent Title (中): 铌基组合物和涂料，铌氧化物及其通过热喷涂应用的合金及其作为防腐剂的用途
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Application No.: US10525366Application Date: 2002-11-13
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Publication No.: US07651731B2Publication Date: 2010-01-26
- Inventor: Luiz Roberto Martins Miranda , Ladimir José Carvalho , Antônio Carlos Gonçalves Pereira
- Applicant: Luiz Roberto Martins Miranda , Ladimir José Carvalho , Antônio Carlos Gonçalves Pereira
- Applicant Address: BR Rio de Janeiro
- Assignee: Coppe/UFRJ-Coordenacao dos Programas de Pos Graduacao de Engenharia da Universidade Federal do Rio de Janeiro
- Current Assignee: Coppe/UFRJ-Coordenacao dos Programas de Pos Graduacao de Engenharia da Universidade Federal do Rio de Janeiro
- Current Assignee Address: BR Rio de Janeiro
- Agency: Fildes & Outland, P.C.
- Priority: BR0203534 20020906
- International Application: PCT/BR02/00152 WO 20021113
- International Announcement: WO2004/022806 WO 20040318
- Main IPC: C23C16/00
- IPC: C23C16/00
Abstract:
The novelty proposed herein describes the application of niobium-based compositions and coatings, niobium oxides and their alloys capable of associations with other oxides and alloys by means of the thermal spraying technique for the purpose of an anticorrosive protection in highly corrosive environments, mainly those which present high temperatures, show presence of gases such as H2S, SO2, CO2, as well as organic and inorganic acids, commonly found in industrial centers.
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