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Official data from INPI

ADITIVO PARA ARGAMASSA.

Em AnáliseInvention Patent

Application data

Number

PI8400407

Type

Invention Patent

Filing

01/31/1984

Publication

02/12/1985

Progress at the INPI

  1. Filing01/31/84
  2. Publication02/12/85
  3. Examination05/07/85
  4. Allowance
  5. Grant
  6. In force

Published on 02/12/1985, 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Daicel Chemical Industries, Ltd.

JP

Inventors

K. Y. (pessoa física)

Technical data

IPC Classification

Priority claims

JP

83809/83 · 05/13/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Recurso

#12.1

08/29/1989

RPI 984

Deferimento

#9.1

05/16/1989

RPI 969

Exigência - art. 36 da LPI

#6.1

01/31/1989

RPI 954

6.2

06/28/1988

RPI 923

Solicitação de exame técnico

#4.1

05/07/1985

RPI 759

Publicação do pedido de patente

#3.1

02/12/1985

RPI 747

Pedido de patente depositado

#2.1

04/17/1984

RPI 704

101

09/04/1990

RPI 1031

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