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Official data from INPI

PROCESSO PARA A PREPARACAO DE UM COMPOSTO BIOLOGICAMENTE ATIVO

ConcedidaInvention Patent

Application data

Number

PI8107839

Type

Invention Patent

Filing

12/04/1980

Publication

09/08/1982

Progress at the INPI

  1. Filing12/04/80
  2. Publication09/08/82
  3. Examination11/16/83
  4. Allowance01/15/85
  5. Grant08/27/85
  6. Expired08/19/08

The letters patent expired on 08/19/2008: 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: 08/27/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

STAUFFER CHEMICAL CO [US]

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Inventors

G. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/27/1985

RPI 775

Notificação para pagamento de retribuição

#13.1

05/07/1985

RPI 759

Deferimento

#9.1

01/15/1985

RPI 743

Exigência - art. 36 da LPI

#6.1

06/12/1984

RPI 712

Solicitação de exame técnico

#4.1

11/16/1983

RPI 682

Publicação do pedido de patente

#3.1

09/08/1982

RPI 620

Pedido de patente depositado

#2.1

01/12/1982

RPI 586

Carta-patente expirada

#21.1

Patente extinta em 02/12/96

08/19/2008

RPI 1963

Pedido de licença compulsória

#20.1

07/19/1994

RPI 1233

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