Method For Recovering A Copper Sulfide Concentrate From An Ore Containing An Iron Sulfide
The following summary describes a Laos Patent titled “Method For Recovering A Copper Sulfide Concentrate From An Ore Containing An Iron Sulfide”, filed by EVONIK DEGUSSA GMBH on 2014-07-11; current status: Abandoned. Identifiers include application No. P/409; DIP id LAP409; protection kind Patent - PCT National Phase. Key dates: publication 2025-12-12. Classification: B03D 1/02、C22B 1/00. Inventor(s)/designer(s): Alan HITCHINER (NZ), GREET, Christopher (AU), 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, wet grinding of the ore…. Use LaoBiz.com to hop between this IP record, related filings by the same applicant, and the matched company profile when present.
P/409
Mark
Key facts
- Type
- Patent
- App. no.
P/409- Status
- Abandoned
- Applicant
- EVONIK DEGUSSA GMBH ； MAGOTTEAUX INTERNATIONAL S.A.
- Agent
- Lao Trademark Agency (LAO IP AGENCY)
- Filing date
- 2014-07-11
- Publication
- 2025-12-12
- Protection kind
- Patent - PCT National Phase
- Priority
- US · 61/856,375 · 2013-07-19
- Applicant address
- EVONIK DEGUSSA GMBH · Rellinghauser StraBe 1-11, 45128 Essen, Germany · DE；MAGOTTEAUX INTERNATIONAL S.A. · Rue A. Dumont, B-4051 Vaux-sous-Che'vremont (BE) · BE
- Agent address
- Lao Trademark Agency (LAO IP AGENCY) · LLC Bldg, Nongbone Road, Ban Nongbong,Saysettha District, P.O.Box 925, Vientiane, LAO P.D.R. Tel: +(856 21) 264866, 264 877; Fax: +(856 21) 264344 E-mail: laotrmar@laotel.com; ksayavon@laotel.com Website: www.laoip.org · LA
- Nice / IPC classes
- B03D 1/02 · C22B 1/00
- Goods / services
- —
Process
Steps follow the current public status-
Filed
-
Formal examination Refused / terminated
-
Substantive examination
-
Published
-
Granted
Related records
Linked from the LaoBiz.com company databaseSimilar Patent
Abstract
In a method for recovering a copper sulfide concentrate by froth flotation from an ore containing an iron sulfide, wet grinding of the ore with grinding media made of high chromium cast iron alloy having a chromium content of from 10 to 35 % by weight is combined with an addition of hydrogen peroxide to the conditioned mineral pulp before or during flotation in order to improve concentrate grade and recovery of copper sulfides.
In a method for recovering a copper sulfide concentrate by froth flotation from an ore containing an iron sulfide, wet grinding of the ore with grinding media made of high chromium cast iron alloy having a chromium content of from 10 to 35 % by weight is combined with an addition of hydrogen peroxide to the conditioned mineral pulp before or during flotation in order to improve concentrate grade and recovery of copper sulfides.
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