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Official data from INPI

COMPOSIÇÃO DE ALIMENTAÇÃO PARA A PRODUÇÃO DE UM ELETRODO DE CARBONO CONTÍNUO DE SODERBERG; MATERIAL DE ALIMENTAÇÃO; MATERIAL AGREGADO REVESTIDO COM RESINA DE FLUXO LIVRE; ELETRODO

Prazo de SigiloInvention Patent

Application data

Number

PI8902810

Type

Invention Patent

Filing

06/13/1989

Publication

09/04/1990

Progress at the INPI

  1. Filing06/13/89
  2. Publication09/04/90
  3. Abandoned02/26/91
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Borden Chemical Inc.

US

Borden, Inc.

US

See this company's full portfolio

Inventors

P. C. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

252.122 · 10/03/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

07/25/1989

RPI 979

Arquivamento - Art. 36 §1° da LPI

#11.2

09/11/2001

RPI 1601

Exigência - art. 36 da LPI

#6.1

10/10/2000

RPI 1553

Conhecimento de parecer técnico

#7.1

06/02/1998

RPI 1432

Transferência deferida

#25.1

09/23/1997

RPI 1399

Pedido de certificado de adição de invenção

#5.1

06/25/1991

RPI 1073

Solicitação de exame técnico

#4.1

02/26/1991

RPI 1056

Publicação do pedido de patente

#3.1

09/04/1990

RPI 1031

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