BR8800437A - Processo para recuperacao de ouro - Google Patents

Processo para recuperacao de ouro

Info

Publication number: BR8800437A
Authority: BR; Brazil
Prior art keywords: recovery process; gold recovery; gold; recovery
Prior art date: 1987-02-05

Application number

BR8800437A

Other languages

English (en)

Inventor

Rodney H Doft

R J Shields Iii

Original Assignee

Nalco Chemical Co

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1987-02-05

Filing date

1988-02-04

Publication date

1988-09-20

1988-02-04 Application filed by Nalco Chemical Co filed Critical Nalco Chemical Co

1988-09-20 Publication of BR8800437A publication Critical patent/BR8800437A/pt

Links

BR8800437A 1987-02-05 1988-02-04 Processo para recuperacao de ouro BR8800437A (pt)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US1165987A	1987-02-05	1987-02-05

Publications (1)

Publication Number	Publication Date
BR8800437A true BR8800437A (pt)	1988-09-20

Family

ID=21751420

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR8800437A BR8800437A (pt)	1987-02-05	1988-02-04	Processo para recuperacao de ouro

Country Status (5)

Country	Link
JP (1)	JPS63195232A (pt)
AU (1)	AU1096888A (pt)
BR (1)	BR8800437A (pt)
ES (1)	ES2008416A6 (pt)
ZA (1)	ZA88823B (pt)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO1999063123A1 (en) *	1998-06-04	1999-12-09	Betzdearborn Inc.	Heap leach agglomeration/percolation extraction aids for enhanced gold and silver recovery

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
RU2375477C2 (ru) *	2004-12-24	2009-12-10	Басф Акциенгезельшафт	Водная цианидсодержащая композиция для выщелачивания металлов из содержащих их материалов
RU2468103C1 (ru) *	2011-06-10	2012-11-27	Денис Игоревич Целюк	Способ извлечения золота из лежалых хвостов намывных хвостохранилищ
RU2493277C1 (ru) *	2012-02-01	2013-09-20	Открытое акционерное общество "Иркутский научно-исследовательский институт благородных и редких металлов и алмазов" (ОАО "Иргиредмет")	Способ извлечения золота из хвостов цианирования углистых сорбционно-активных руд и продуктов обогащения
RU2666656C1 (ru) *	2017-11-22	2018-09-11	Акционерное общество "Полюс Красноярск"	Способ извлечения золота из сульфидных концентратов флотации, содержащих сорбционно-активный органический углерод

1988
- 1988-01-21 ES ES8800136A patent/ES2008416A6/es not_active Expired
- 1988-01-29 AU AU10968/88A patent/AU1096888A/en not_active Abandoned
- 1988-02-04 JP JP2294088A patent/JPS63195232A/ja active Pending
- 1988-02-04 BR BR8800437A patent/BR8800437A/pt not_active IP Right Cessation
- 1988-02-05 ZA ZA880823A patent/ZA88823B/xx unknown

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO1999063123A1 (en) *	1998-06-04	1999-12-09	Betzdearborn Inc.	Heap leach agglomeration/percolation extraction aids for enhanced gold and silver recovery
US6428597B1 (en)	1998-06-04	2002-08-06	Betzdearborn Inc.	Heap leach agglomeration/percolation extraction aids for enhanced gold and silver recovery

Also Published As

Publication number	Publication date
JPS63195232A (ja)	1988-08-12
ES2008416A6 (es)	1989-07-16
AU1096888A (en)	1988-08-11
ZA88823B (en)	1988-08-05

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Legal Events

Date	Code	Title	Description
1995-01-03	FF	Decision: intention to grant
1995-06-27	FG	Letter patent granted
2008-09-02	B21A	Expiry acc. art. 78, item i of ipl- expiry of the term of protection	Free format text: PATENTE EXTINTA EM 04/02/2003
2018-03-20	B15K	Others concerning applications: alteration of classification	Free format text: PROCEDIMENTO AUTOMATICO DE RECLASSIFICACAO. A CLASSIFICACAO IPC ANTERIOR ERA C22B 11/04. Ipc: C22B 11/00 (2006.01) Ipc: C22B 11/00 (2006.01)