BR0002020B1 - process for increasing the adhesion of ferrous material roofing materials. - Google Patents

process for increasing the adhesion of ferrous material roofing materials.

Info

Publication number: BR0002020B1
Authority: BR; Brazil
Prior art keywords: adhesion; increasing; ferrous material; roofing materials; material roofing
Prior art date: 2000-05-15

Application number

BRPI0002020-6A

Other languages

Portuguese (pt)

Other versions

BR0002020A (en

Inventor

Jose Murilo Mourao

Silva Camilo Carlos Da

Carvalho Roberto Lucio Nunes De

Washington Luiz Mafra

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.)

2000-05-15

Filing date

2000-05-15

Publication date

2010-07-27

2000-05-15 Application filed filed Critical

2000-05-15 Priority to BRPI0002020-6A priority Critical patent/BR0002020B1/en

2002-04-23 Publication of BR0002020A publication Critical patent/BR0002020A/en

2007-01-05 Priority to US11/649,967 priority patent/US20070186723A1/en

2010-07-27 Publication of BR0002020B1 publication Critical patent/BR0002020B1/en

Classifications

- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0066—Preliminary conditioning of the solid carbonaceous reductant

Landscapes

Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Manufacturing & Machinery (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Manufacture And Refinement Of Metals (AREA)
Manufacture Of Iron (AREA)

BRPI0002020-6A 2000-05-15 2000-05-15 process for increasing the adhesion of ferrous material roofing materials. BR0002020B1 (en)

Priority Applications (2)

Application Number	Priority Date	Filing Date	Title
BRPI0002020-6A BR0002020B1 (en)	2000-05-15	2000-05-15	process for increasing the adhesion of ferrous material roofing materials.
US11/649,967 US20070186723A1 (en)	2000-05-15	2007-01-05	Method to increase the adherence of coating materials on ferrous materials

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
BRPI0002020-6A BR0002020B1 (en)	2000-05-15	2000-05-15	process for increasing the adhesion of ferrous material roofing materials.

Publications (2)

Publication Number	Publication Date
BR0002020A BR0002020A (en)	2002-04-23
BR0002020B1 true BR0002020B1 (en)	2010-07-27

Family

ID=3944317

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BRPI0002020-6A BR0002020B1 (en)	2000-05-15	2000-05-15	process for increasing the adhesion of ferrous material roofing materials.

Country Status (2)

Country	Link
US (1)	US20070186723A1 (en)
BR (1)	BR0002020B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN113699299B (en) *	2013-07-29	2023-06-02	日本制铁株式会社	Raw material for direct reduction, method for producing raw material for direct reduction, and method for producing reduced iron

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5245122A (en) *	1992-08-26	1993-09-14	Conversion Systems, Inc.	Method and mixture for treating electric arc furnace dust
US5476532A (en) *	1993-09-10	1995-12-19	Akzo Nobel N.V.	Method for producing reducible iron-containing material having less clustering during direct reduction and products thereof
US5897946A (en) *	1994-05-16	1999-04-27	New Waste Concepts, Inc.	Flowable material to isolate or treat a surface
US7226495B1 (en) *	2000-05-15	2007-06-05	Companhia Vale Do Rio Doce	Method to increase the adherence of coating materials on ferrous materials

2000
- 2000-05-15 BR BRPI0002020-6A patent/BR0002020B1/en not_active IP Right Cessation
2007
- 2007-01-05 US US11/649,967 patent/US20070186723A1/en not_active Abandoned

Also Published As

Publication number	Publication date
BR0002020A (en)	2002-04-23
US20070186723A1 (en)	2007-08-16

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Legal Events

Date	Code	Title	Description
2006-03-01	B07A	Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
2006-09-05	B06A	Patent application procedure suspended [chapter 6.1 patent gazette]
2007-03-13	B06A	Patent application procedure suspended [chapter 6.1 patent gazette]
2007-08-21	B06A	Patent application procedure suspended [chapter 6.1 patent gazette]
2008-09-30	B09A	Decision: intention to grant [chapter 9.1 patent gazette]
2010-07-27	B16A	Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]	Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 27/07/2010, OBSERVADAS AS CONDICOES LEGAIS.
2014-02-04	B25D	Requested change of name of applicant approved
2018-09-18	B25M	Entry on limitation or onus of patent assignment [chapter 25.13 patent gazette]	Owner name: SAMARCO MINERACAO S.A. (BR/MG) ; VALE S.A. (BR/RJ) Free format text: ANOTACAO DE LIMITACAO OU ONUSREFERENCIA: PROCESSO SINPI/SEI 52402.005510/2018-81 FICA ANOTADA A INDISPONIBILIDADE DA REFERIDA PATENTE, DE ACORDO COM O ART. 59, II, DA LPI, CONFORME DETERMINADO PELO MM. JUIZ FEDERAL DA 27A VARA FEDERAL. CONFORME A MESMA DETERMINACAO NAO SERA POSSIVEL A TRANSFERENCIA DESTA, SALVO A AUTORIZACAO DESSE JUIZO.
2018-10-09	B25M	Entry on limitation or onus of patent assignment [chapter 25.13 patent gazette]	Owner name: SAMARCO MINERACAO S.A. (BR/MG) ; VALE S.A. (BR/RJ) Free format text: ANOTACAO DE LIMITACAO OU ONUSREFERENCIA: PROCESSO SINPI/SEI 52402.005792/2018-17 CONFORME DETERMINADO PELA MMA. JUIZA FEDERAL MARIA ADNA FAGUNDES VELOSO DA 15A VARA NA TITULARIDADE DA 27A VARA FEDERAL, FICA ANOTADO CANCELAMENTO PROVISORIO DA INDISPONIBILIDADE PUBLICADA NA RPI 2489 DE 18/09/2018, DE ACORDO COM O ART. 59, II, DA LPI.
2021-04-13	B21A	Patent or certificate of addition expired [chapter 21.1 patent gazette]	Free format text: PATENTE EXTINTA EM 27/07/2020