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Official data from INPI

PROCESSO PARA PREPARAR UM PERSULFATO DE POTÁSSIO DE ALTA PUREZA

ArquivadaInvention Patent

Application data

Number

PI8904899

Type

Invention Patent

Filing

09/27/1989

Publication

05/08/1990

Progress at the INPI

  1. Filing09/27/89
  2. Publication05/08/90
  3. Abandoned07/07/92
  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: 01/23/1996. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. K. (pessoa física)

JP

Inventors

O. O. (pessoa física)

S. W. (pessoa física)

Technical data

IPC Classification

Priority claims

JP

240968/1988 · 09/28/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Republicação - classificação IPC

#15.11

01/23/1996

RPI 1312

Arquivamento - Art. 36 §1° da LPI

#11.2

01/02/1996

RPI 1309

Exigência - art. 36 da LPI

#6.1

04/25/1995

RPI 1273

Solicitação de exame técnico

#4.1

07/07/1992

RPI 1127

Publicação do pedido de patente

#3.1

05/08/1990

RPI 1017

Pedido de patente depositado

#2.1

01/23/1990

RPI 1003

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