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Official data from INPI

PROCESSO PARA CLARIFICACAO DE ACIDO FOSFORICO CONCENTRADO

ArquivadaInvention Patent

Application data

Number

PI8102301

Type

Invention Patent

Filing

04/15/1980

Publication

12/01/1981

Progress at the INPI

  1. Filing04/15/80
  2. Publication12/01/81
  3. Examination10/11/83
  4. Allowance04/09/85
  5. Abandoned
  6. In force

The application was allowed on 04/09/1985 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 07/08/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

NISSAN CHEMICAL IND LTD

Inventors

S. N. (pessoa física)

T. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

07/08/1986

RPI 820

Notificação para pagamento de retribuição

#13.1

07/30/1985

RPI 771

Deferimento

#9.1

04/09/1985

RPI 755

Exigência - art. 36 da LPI

#6.1

05/22/1984

RPI 709

Solicitação de exame técnico

#4.1

10/11/1983

RPI 677

Publicação do pedido de patente

#3.1

12/01/1981

RPI 580

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