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Official data from INPI

PROCESSO PARA A REMOÇÃO DE MATERIAL DISSOLVIDO E COLOIDAL A PARTIR DA ÁGUA DE CIRCULAÇÃO DE UMA FÁBRICA DE PAPEL.

IndeferidaInvention PatentPCT · FI1987000090

Application data

Number

PI8707737

Type

Invention Patent

Filing

07/01/1987

Publication

08/15/1989

PCT

FI1987000090

Progress at the INPI

Under appeal
  1. Filing07/01/87
  2. Publication08/15/89
  3. Examination01/16/90
  4. Refused02/21/95
  5. Grant
  6. In force

The application was refused by the INPI on 02/21/1995. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 08/15/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. C. (pessoa física)

FI

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Inventors

P. H. (pessoa física)

Technical data

IPC Classification

Priority claims

FI

862810 · 07/02/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

08/15/1989

RPI 982

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C02F 1/52; C21F 1/66.

03/27/2018

RPI 2464

Indeferimento

#9.2

02/21/1995

RPI 1264

Conhecimento de parecer técnico

#7.1

03/22/1994

RPI 1216

14.1

05/26/1992

RPI 1121

Solicitação de exame técnico

#4.1

01/16/1990

RPI 1002

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