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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE GRANULADOS, GRANULADOS OBTIDOS E APLICAÇÃO

Prazo de SigiloInvention Patent

Application data

Number

PI8902677

Type

Invention Patent

Filing

06/07/1989

Publication

01/23/1990

Progress at the INPI

  1. Filing06/07/89
  2. Publication01/23/90
  3. Examination03/31/92
  4. Allowance09/26/95
  5. Grant04/30/96
  6. Expired12/22/09

The letters patent expired on 12/22/2009: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/18/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ciba-Geigy AG

CH

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Inventors

A. H. (pessoa física)

CH

D. N. (pessoa física)

DE

H. B. (pessoa física)

DE

W. R. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

CH

2180/88 · 06/08/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

07/18/1989

RPI 978

Carta-patente expirada

#21.1

Patente extinta em 07/06/2004

12/22/2009

RPI 2033

Concessão da patente

#16.1

04/30/1996

RPI 1326

Deferimento

#9.1

09/26/1995

RPI 1295

Exigência - art. 36 da LPI

#6.1

01/31/1995

RPI 1261

Solicitação de exame técnico

#4.1

03/31/1992

RPI 1113

Publicação do pedido de patente

#3.1

01/23/1990

RPI 1003

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