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Official data from INPI

PROCESSO PARA PREPARAÇÃO DE UM SAL DE CORANTE E PROCESSO PARA TINGIR POLIAMIDAS SINTÉTICAS

Prazo de SigiloInvention Patent

Application data

Number

PI8903212

Type

Invention Patent

Filing

06/29/1989

Publication

02/13/1990

Progress at the INPI

  1. Filing06/29/89
  2. Publication02/13/90
  3. Examination03/31/92
  4. Allowance05/26/98
  5. Grant11/24/98
  6. Expired12/26/12

The letters patent expired on 12/26/2012: 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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Clariant Finance (BVI) Limited

GB

Sandoz A.G

CH

See this company's full portfolio

Inventors

A. V. (pessoa física)

FR

B. K. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

DE

P3821981.6 · 06/30/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

10/03/1989

RPI 989

Carta-patente expirada

#21.1

Patente extinta em 29/06/2009

12/26/2012

RPI 2190

Concessão da patente

#16.1

11/24/1998

RPI 1455

Deferimento

#9.1

DEFERIDO DE ACORDO COM A LEI 9279 DE 14/05/96

05/26/1998

RPI 1431

Transferência deferida

#25.1

09/23/1997

RPI 1399

Exigência - art. 36 da LPI

#6.1

02/27/1996

RPI 1317

Exigência - art. 36 da LPI

#6.1

08/01/1995

RPI 1287

Exigência - art. 36 da LPI

#6.1

10/11/1994

RPI 1245

Solicitação de exame técnico

#4.1

03/31/1992

RPI 1113

Publicação do pedido de patente

#3.1

02/13/1990

RPI 1006

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