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Official data from INPI

PROCESSO DE OBTENÇÃO DE COMPOSTO, PROCESSO DE CONTROLE DE VEGETAÇÃO E COMPOSIÇÃO HERBICIDA

Arquivada/ExtintaInvention PatentPCT · US1989005056

Application data

Number

PI8907772

Type

Invention Patent

Filing

11/17/1989

Publication

10/01/1991

PCT

US1989005056

Progress at the INPI

  1. Filing11/17/89
  2. Publication10/01/91
  3. Examination03/31/92
  4. Allowance07/06/99
  5. Grant10/19/99
  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: 12/26/2012. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ICI Americas, Inc.

US

Zeneca AG Products Inc.

US

See this company's full portfolio

Inventors

W. M. (pessoa física)

US

Technical data

Priority claims

US

07/273.371 · 11/18/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 17/11/2009

12/26/2012

RPI 2190

Transferência deferida

#25.1

Transferido de: ICI Americas, Inc.

10/10/2000

RPI 1553

Concessão da patente

#16.1

10/19/1999

RPI 1502

Deferimento

#9.1

07/06/1999

RPI 1487

Exigência - art. 36 da LPI

#6.1

01/26/1999

RPI 1464

Exigência - art. 36 da LPI

#6.1

06/23/1998

RPI 1435

Solicitação de exame técnico

#4.1

03/31/1992

RPI 1113

Notificação de entrada na fase nacional - PCT

#1.3

10/01/1991

RPI 1087

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