{"title":"US patent protects Evonik's membrane-based process for efficient biogas upgrading","authors":"","doi":"10.12968/s0958-2118(22)70091-2","DOIUrl":null,"url":null,"abstract":"Germany's Evonik Industries Ag reports that in a voluntary supplementary examination procedure the US Patent Office has confirmed the validity of its patent covering a three-stage process for efficient biogas upgrading, which employs its SEPURAN® green membranes.","PeriodicalId":52434,"journal":{"name":"Membrane Technology","volume":" ","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2022-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Membrane Technology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.12968/s0958-2118(22)70091-2","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"Engineering","Score":null,"Total":0}
引用次数: 0
Abstract
Germany's Evonik Industries Ag reports that in a voluntary supplementary examination procedure the US Patent Office has confirmed the validity of its patent covering a three-stage process for efficient biogas upgrading, which employs its SEPURAN® green membranes.
期刊介绍：
Membrane Technology brings you everything you need to keep up-to-date with what is happening in the international membrane industry, highlighting emerging markets, summarising important industry news and identifying new business opportunities for your company. Each issue includes: • Technology news - all the latest developments including processes projects, contracts, systems, new products, testing facilities, etc. • Business news - key information on your competitors movements in the market • Feature articles - experts share the secrets of their own success • Patents - the latest new patents from around the world • Research trends - highlights of recently published research work
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