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Official data from INPI

INSTALAÇÃO AUTOMÁTICA AUTOMATIZADA DE TRATAMENTO DE PEÇAS MEMBRANAS SEMI-PERMEÁVEIS COM REGIÃO DISCRIMINATÓRIA INTERNA

Em AnáliseInvention PatentPCT · FR1989000675

Application data

Number

PI8907283

Type

Invention Patent

Filing

12/22/1989

Publication

04/23/1991

PCT

FR1989000675

Progress at the INPI

  1. Filing12/22/89
  2. Publication04/23/91
  3. Examination09/10/91
  4. Allowance
  5. Grant
  6. In force

Published on 04/23/1991, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 08/23/1994. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. H. (pessoa física)

FR

The Dow Chemical Company

US

See this company's full portfolio

Inventors

C. I. (pessoa física)

D. C. (pessoa física)

E. J. (pessoa física)

F. C. (pessoa física)

H. B. (pessoa física)

J. J. (pessoa física)

O. S. (pessoa física)

Technical data

Priority claims

FR

8817245 · 12/27/1988

US

118.119 · 11/06/1987

US

118.141 · 11/06/1987

US

129.273 · 12/07/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

08/23/1994

RPI 1238

Solicitação de exame técnico

#4.1

09/10/1991

RPI 1084

Notificação de entrada na fase nacional - PCT

#1.3

04/23/1991

RPI 1064

Notificação de entrada na fase nacional - PCT

#1.3

02/13/1990

RPI 1006

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