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Official data from INPI

COMPOSIÇÃO BIOCIDA, PROCESSO PARA INIBIR O CRESCIMENTO DE MICROORGANISMOS, E, COMPOSIÇÃO DE REVESTIMENTO DE SUPERFÍCIE

Prazo de SigiloInvention Patent

Application data

Number

PI8902344

Type

Invention Patent

Filing

05/19/1989

Publication

01/09/1990

Progress at the INPI

  1. Filing05/19/89
  2. Publication01/09/90
  3. Examination03/03/92
  4. Allowance10/01/96
  5. Grant06/24/97
  6. Expired05/21/13

The letters patent expired on 05/21/2013: 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: 07/04/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Imperial Chemical Industries Plc.

GB

Zeneca Limited

GB

See this company's full portfolio

Inventors

B. B. (pessoa física)

BE

M. G. (pessoa física)

GB

Technical data

Priority claims

GB

8811948.2 · 05/20/1988

GB

8911294.0 · 05/17/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

07/04/1989

RPI 976

Carta-patente expirada

#21.1

Patente extinta em 19/05/2009

05/21/2013

RPI 2211

Concessão da patente

#16.1

06/24/1997

RPI 1386

Deferimento

#9.1

10/01/1996

RPI 1348

Exigência - art. 36 da LPI

#6.1

12/12/1995

RPI 1306

14.1

01/03/1995

RPI 1257

Solicitação de exame técnico

#4.1

03/03/1992

RPI 1109

Publicação do pedido de patente

#3.1

01/09/1990

RPI 1001

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