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Official data from INPI

PROCESSO DE EXTRAÇÃO COM OXIGÊNIO-ALCALI PARA A PRODUÇÃO DE POLPA ALVEJADA

PublicadaInvention Patent

Application data

Number

PI8804126

Type

Invention Patent

Filing

08/16/1988

Publication

03/07/1989

Progress at the INPI

  1. Filing08/16/88
  2. Publication03/07/89
  3. Abandoned06/11/91
  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: 03/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Air Products And Chemicals, Inc

US

Air Products And Chemicals, Inc.

US

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Inventors

A. D. (pessoa física)

J. C. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

86.324 · 08/17/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

03/07/1989

RPI 959

Pedido de patente depositado

#2.1

01/10/1989

RPI 951

Arquivamento - Art. 36 §1° da LPI

#11.2

07/18/1995

RPI 1285

Exigência - art. 36 da LPI

#6.1

06/21/1994

RPI 1229

Solicitação de exame técnico

#4.1

06/11/1991

RPI 1071

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