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Official data from INPI

PROCESSO PARA A PREPARAÇÀO DE COMPOSTOS DE EPÓXI

Prazo de SigiloInvention Patent

Application data

Number

PI8902444

Type

Invention Patent

Filing

04/27/1989

Publication

01/16/1990

Progress at the INPI

  1. Filing04/27/89
  2. Publication01/16/90
  3. Abandoned03/17/92
  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.

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Latest action published by the INPI: 07/11/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

See this company's full portfolio

Inventors

E. D. (pessoa física)

R. S. (pessoa física)

Technical data

IPC Classification

Priority claims

US

190.608 · 05/05/1988

US

295.859 · 01/11/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

07/11/1989

RPI 977

Arquivamento - Art. 36 §1° da LPI

#11.2

02/13/1996

RPI 1315

Exigência - art. 36 da LPI

#6.1

05/23/1995

RPI 1277

Solicitação de exame técnico

#4.1

03/17/1992

RPI 1111

Publicação do pedido de patente

#3.1

01/16/1990

RPI 1002

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