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Official data from INPI

ABSORVEDOR E PROCESSO PARA RECUPERAÇÀO DE METAL PRECIOSO; PROCESSO PARA PRODUÇÃO DE ÁCIDO NÍTRICO

ArquivadaInvention Patent

Application data

Number

PI8202487

Type

Invention Patent

Filing

04/29/1982

Publication

12/06/1983

Progress at the INPI

  1. Filing04/29/82
  2. Publication12/06/83
  3. Abandoned12/31/85
  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: 04/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Johnson Matthey Public Limited Company

GB

See this company's full portfolio

Inventors

D. S. (pessoa física)

GB

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

04/26/1988

RPI 914

Exigência - art. 36 da LPI

#6.1

11/03/1987

RPI 889

Solicitação de exame técnico

#4.1

12/31/1985

RPI 793

Publicação do pedido de patente

#3.1

12/06/1983

RPI 685

Pedido de patente depositado

#2.1

06/15/1982

RPI 608

Republicação - classificação IPC

#15.11

As classificações anteriores eram: B01J 20/02, B01J 23/96, C01B 21/38, D04H 1/40.

08/28/2012

RPI 2173

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