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Official data from INPI

PROCESSO DE PREPARAÇÃO DE HETEROPOLISSACARÍDEO BM07 E PROCESSO PARA PRODUÇÃO DE UM AGENTE ESPESSANTE OU AUXILIAR DE SUSPENSÃO

Prazo de SigiloInvention Patent

Application data

Number

PI8903429

Type

Invention Patent

Filing

07/12/1989

Publication

02/13/1990

Progress at the INPI

  1. Filing07/12/89
  2. Publication02/13/90
  3. Examination03/17/92
  4. Allowance06/02/98
  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

R. C. (pessoa física)

FR

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Inventors

A. J. (pessoa física)

FR

G. U. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

88 09529 · 07/13/1988

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 12/07/2009

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

06/02/1998

RPI 1432

Exigência - art. 36 da LPI

#6.1

06/20/1995

RPI 1281

Solicitação de exame técnico

#4.1

03/17/1992

RPI 1111

Publicação do pedido de patente

#3.1

02/13/1990

RPI 1006

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