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Official data from INPI

COMPOSIÇÃO E PROCESSO PARA PROTEGER UMA COMPOSIÇÃO INDUSTRIAL DE BASE AQUOSA

Arquivada/ExtintaInvention Patent

Application data

Number

PI9001837

Type

Invention Patent

Filing

04/19/1990

Publication

06/18/1991

Progress at the INPI

  1. Filing04/19/90
  2. Publication06/18/91
  3. Examination09/17/91
  4. Allowance11/17/98
  5. Grant04/27/99
  6. Expired01/08/13

The letters patent expired on 01/08/2013: 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: 01/08/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ICI Americas, Inc.

US

Imperial Chemical Industries Plc.

GB

Zeneca, Inc.

US

Zeneca Limited

GB

See this company's full portfolio

Inventors

P. M. (pessoa física)

GB

R. J. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

07/340,935 · 04/20/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 19/04/2010

01/08/2013

RPI 2192

Concessão da patente

#16.1

04/27/1999

RPI 1477

Deferimento

#9.1

11/17/1998

RPI 1454

Exigência - art. 36 da LPI

#6.1

06/30/1998

RPI 1436

14.4

07/11/1995

RPI 1284

14.1

07/04/1995

RPI 1283

Solicitação de exame técnico

#4.1

09/17/1991

RPI 1085

Publicação do pedido de patente

#3.1

06/18/1991

RPI 1072

Pedido de patente depositado

#2.1

08/21/1990

RPI 1029

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