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Official data from INPI

Processo para produção de um minério manganesífero de oriptomelana isento de álcalis.

Em AnáliseInvention Patent

Application data

Number

PI8106579

Type

Invention Patent

Filing

10/13/1981

Publication

05/17/1983

Progress at the INPI

  1. Filing10/13/81
  2. Publication05/17/83
  3. Examination08/13/85
  4. Refused09/12/89
  5. Grant
  6. In force

The application was refused on 09/12/1989 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/12/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Centro de Pesquisas de Energia Elétrica - CEPEL

RJ, BR

Centro de Tecnologia Mineral - Cetem

RJ, BR

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Inventors

L. M. (pessoa física)

S. J. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 31 32 668.4 · 08/14/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

111

09/12/1989

RPI 986

Petição de recurso

#12.2

02/28/1989

RPI 958

Republicação - classificação IPC

#15.11

01/10/1989

RPI 951

Indeferimento

#9.2

11/01/1988

RPI 941

Solicitação de exame técnico

#4.1

08/13/1985

RPI 773

Publicação do pedido de patente

#3.1

05/17/1983

RPI 656

Pedido de patente depositado

#2.1

12/07/1982

RPI 633

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