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Official data from INPI

TRATAMENTO PARA SISTEMAS DE ÁGUA PARA INIBIÇÃO DA CORROSÃO E DA FORMAÇÃO DE CROSTAS

ArquivadaInvention PatentPCT · US1988002047

Application data

Number

PI8807469

Type

Invention Patent

Filing

06/14/1988

Publication

05/22/1990

PCT

US1988002047

Progress at the INPI

  1. Filing06/14/88
  2. Publication05/22/90
  3. Abandoned08/21/90
  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: 07/19/1994. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

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Inventors

H. J. (pessoa física)

M. B. (pessoa física)

T. L. (pessoa física)

Technical data

IPC Classification

Priority claims

US

061.648 · 06/15/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

07/19/1994

RPI 1233

Exigência - art. 36 da LPI

#6.1

11/23/1993

RPI 1199

Solicitação de exame técnico

#4.1

08/21/1990

RPI 1029

Notificação de entrada na fase nacional - PCT

#1.3

05/22/1990

RPI 1019

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