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Official data from INPI

SOLUÇÃO AQUOSA BÁSICA, ESTÁVEL, DE ISOTIAZOLONAS

Em AnáliseInvention Patent

Application data

Number

PI8603194

Type

Invention Patent

Filing

07/08/1986

Publication

02/24/1987

Progress at the INPI

  1. Filing07/08/86
  2. Publication02/24/87
  3. Examination04/25/89
  4. Allowance09/29/92
  5. Grant04/27/93
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 04/25/1989. 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)

Technical data

Priority claims

GB

8517478 · 07/10/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

04/25/1989

RPI 966

Publicação do pedido de patente

#3.1

02/24/1987

RPI 853

Pedido de patente depositado

#2.1

12/30/1986

RPI 845

Carta-patente expirada

#21.1

Patente extinta em 08/07/2001

07/22/2008

RPI 1959

Pedido de licença compulsória

#20.1

12/06/1994

RPI 1253

16.3

07/27/1993

RPI 1182

Concessão da patente

#16.1

04/27/1993

RPI 1169

Notificação para pagamento de retribuição

#13.1

03/02/1993

RPI 1161

Deferimento

#9.1

09/29/1992

RPI 1139

Exigência - art. 36 da LPI

#6.1

08/20/1991

RPI 1081

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