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Official data from INPI

COMPOSIÇÀO DE POLÍMERO COMPATIBILIZADA E COPOLÍMERO DE ENXERTO

ConcedidaInvention Patent

Application data

Number

PI8406665

Type

Invention Patent

Filing

12/21/1984

Publication

10/22/1985

Progress at the INPI

  1. Filing12/21/84
  2. Publication10/22/85
  3. Examination11/17/87
  4. Allowance12/06/88
  5. Grant09/26/89
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Monsanto Company

US

See this company's full portfolio

Inventors

R. P. (pessoa física)

US

Technical data

Priority claims

US

566.641 · 12/29/1983

US

674.240 · 11/27/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

04/25/1989

RPI 966

Deferimento

#9.1

12/06/1988

RPI 946

Exigência - art. 36 da LPI

#6.1

06/14/1988

RPI 921

Solicitação de exame técnico

#4.1

11/17/1987

RPI 891

Publicação do pedido de patente

#3.1

10/22/1985

RPI 783

Pedido de patente depositado

#2.1

03/12/1985

RPI 751

Carta-patente expirada

#21.1

Patente extinta em 21/12/99

07/08/2008

RPI 1957

Pedido de licença compulsória

#20.1

03/03/1992

RPI 1109

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