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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE PARTÍCULAS DE SILICATO CHAPEADAS, REVESTIDAS

PublicadaInvention Patent

Application data

Number

PI8801722

Type

Invention Patent

Filing

04/12/1988

Publication

11/16/1988

Progress at the INPI

  1. Filing04/12/88
  2. Publication11/16/88
  3. Abandoned03/19/91
  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: 11/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Kemira Oy

FI

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Inventors

H. M. (pessoa física)

FI

P. E. (pessoa física)

FI

Technical data

IPC Classification

Priority claims

FI

871644 · 04/14/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/16/1988

RPI 943

Pedido de patente depositado

#2.1

08/30/1988

RPI 932

Arquivamento - Art. 36 §1° da LPI

#11.2

09/19/1995

RPI 1294

Exigência - art. 36 da LPI

#6.1

01/03/1995

RPI 1257

Solicitação de exame técnico

#4.1

03/19/1991

RPI 1059

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