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专利 已放弃

ວິທີການສໍາລັບການເກັບກູ້ເອົາທອງແດງຊັນໄຟດ໌ຈາກສິນແຮ່ທີ່ບັນຈຸທາດເຫຼັກ ຊັລໄຟດ໌

Overview

This Laos Patent “Method For Recovering A Copper Sulfide From Ore Containing An Iron Sulfide” is a public DIP intellectual-property record, filed by EVONIK DEGUSSA GMBH on 2014-07-11; current status: Abandoned. Identifiers include application No. P/410; DIP id LAP410; protection kind Patent - PCT National Phase. Key dates: publication 2025-12-12. Classification: B03D 1/002、B03D 1/02. Inventor(s)/designer(s): Alan HITCHINER (NZ), Gerhard ARNOLD (DE), Ingo HAMANN (DE). Abstract hint: In a method for recovering a copper sulfide concentrate by froth flotation from an ore containing an iron sulfide, hydrogen peroxide is add…. Use LaoBiz.com to hop between this IP record, related filings by the same applicant, and the matched company profile when present.

专利 老挝 DIP

申请号 P/410
申请日期 2014-07-11
申请人 EVONIK DEGUSSA GMBH
代理机构 Lao Trademark Agency (LAO IP AGENCY)
类别 B03D 1/002 · B03D 1/02

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基础信息

类型
专利
申请号
P/410
状态
已放弃
申请人
EVONIK DEGUSSA GMBH
代理机构
Lao Trademark Agency (LAO IP AGENCY)
申请日期
2014-07-11
公开/公告日
2025-12-12
国际分类
B03D 1/002 · B03D 1/02
商品 / 服务
—

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摘要

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In a method for recovering a copper sulfide concentrate by froth flotation from an ore containing an iron sulfide, hydrogen peroxide is added to the conditioned mineral pulp before or during flotation, a concentration of dissolved oxygen is determined in the mineral pulp after addition of hydrogen peroxide and the amount of hydrogen peroxide added is adjusted to maintain a concentration of dissolved oxygen of from 1 to 5 times a predetermined target concentration, in order to adjust the amount of hydrogen peroxide to changes in ore composition.

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LaoBiz.com is a Laos business-information and market-research platform for global companies—helping users understand the Lao market, discover opportunities and find potential partners more efficiently. Commercial records are drawn mainly from official public registry systems maintained by Lao competent authorities—including MoIC’s NED (enterprise registration), BNED (business licences) and eBRS (business registration), MoF’s TaxRIS (tax registration), and related official public channels such as intellectual-property filings. LaoBiz.com does not create or alter registry facts; on top of those official public records we organise, standardise, translate, classify by industry and index for search so fragmented filings are easier to find, understand and use. We continuously watch official public-data changes and offer sync tools so users can check an enterprise’s latest public status.

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Each LaoBiz.com company profile offers “Sync latest data”. Users can actively request verification for a specific enterprise; the page is then refreshed from what the public systems return. Because company registration, tax status and related public filings are maintained by different authorities, update timing may vary. For business decisions, legal documents, government approvals and other formal uses, please rely on the latest information and official documents issued by the competent authority.

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LaoBiz.com is an independently operated business information platform and is not a government body, registry office or official agent. We focus on organising Lao commercial information and on company lookup, market research and data-application services—helping users with company background checks, industry analysis, supplier and partner screening, and early-stage investment research. We can also provide Lao-market information support, business advisory and related enterprise services based on user needs.

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Rights in Lao government-published registry information and related data remain with the competent authorities. LaoBiz.com does not claim exclusive ownership of raw government data; we provide organisation, search, multilingual presentation and application of open commercial information. If a rights holder believes content should be corrected or adjusted, please contact us through the site—we will process verified requests.

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LaoBiz.com is operated by Shynease Global Holdings Limited (Hong Kong, company no. 80032364). The Terms of Service, orders and payments are governed by the laws of the Hong Kong SAR. Legal name, registered office and phone are on the legal-entity page. We organise Lao public commercial information and related market support, and follow applicable laws and public-information use rules.

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