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

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
CA2592095C (en) *	2004-12-24	2013-07-30	Basf Aktiengesellschaft	Use of nonionic surfactants in metal extraction
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 BR BR8800437A patent/BR8800437A/pt not_active IP Right Cessation
- 1988-02-04 JP JP2294088A patent/JPS63195232A/ja active Pending
- 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
ES2008416A6 (es)	1989-07-16
ZA88823B (en)	1988-08-05
JPS63195232A (ja)	1988-08-12
AU1096888A (en)	1988-08-11

Similar Documents

Publication	Publication Date	Title
PT81604B (pt)	1987-10-20	Processo para a extraccao de ouro
BR8802957A (pt)	1989-01-10	Processo para obtencao ou recuperacao de acidos
PT86692A (pt)	1989-02-28	Processo de soldadura
BR8804535A (pt)	1989-04-04	Processo para a obtencao de c8-ate c24-alquiloligoglicosidios e-alquilglicosidios
PT84415B (pt)	1989-10-04	Processo de purificacao de alfa-1-antiprotease
BR8700463A (pt)	1987-12-15	Processo para recuperacao de galio
BR8606721A (pt)	1987-08-11	Processo de identificacao de diamantes
BR8701335A (pt)	1988-01-05	Processo para soldar
BR8506856A (pt)	1986-09-23	Processo de forja
BR8804491A (pt)	1989-03-28	Processo de preparacao de policarbonato
BR8902564A (pt)	1990-01-23	Processo para recuperar metacroleina
BR8902031A (pt)	1990-04-10	Processo para producao de policarbonato
BR8701098A (pt)	1988-09-13	Processo de preparacao de poliuretano rigido
BR8706225A (pt)	1988-06-21	Processo de adsorcao
BR9004085A (pt)	1991-09-03	Processo para recuperacao de ouro e para extrair ouro
BR8805636A (pt)	1989-10-17	Processo de alquilacao
BR8108813A (pt)	1982-08-24	Processo de recuperacao de ouro
BR8807699A (pt)	1990-07-24	Processo para purificacao de silicio
PT92171A (pt)	1990-05-31	Processo de preparacao de n-fosfonometil-glicina
BR8804856A (pt)	1989-04-25	Processo de recuperacao de galio
BR8800437A (pt)	1988-09-20	Processo para recuperacao de ouro
BR8601963A (pt)	1987-01-06	Processo para recuperacao de ouro
BR8903092A (pt)	1990-03-20	Processo para preparar isocianatos de arilsulfonil
BR8802170A (pt)	1988-12-06	Processo de recuperacao de galio
BR8707074A (pt)	1988-08-02	Processo

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)